ISO 3834 Certification Register
A list of companies certified to ISO 3834 by LRQA Verification Ltd.
ISO 3834
Those companies listed below are certified by LRQA to ISO 3834 according to various scopes.
If you would like more information about getting certified for ISO 3834, or if you are a current client and would like to request the ISO 3834 approval mark, contact us here and we'll get right back with you.
| Country | Client Name | Client's Full Address | Product Name | Approved Product Scope | Expiration Date |
| Australia | BAE SYSTEMS AUSTRALIA Ltd | 42,QUILL WAY, HENDERSON, WESTERN AUSTRALIA-WA6166 |
ISO 3834-2:2005 (LRV Ltd.) | Structural and piping products used in the construction, fabrication, repair and maintenance of naval vessels and for the fabrication, construction and outfitting of modularized assemblies and pipe spools in the energy, resources and commercial sectors. | 22 October 2022 |
| Austria | Liebherr-Werk Nenzing GmBH | Dr.-Hans-Libherr-Strasse 1, 6710 Nenzing, Austria | ISO 3834-2:2001 (LRQA Ltd.) | Manufacture of marine cranes and port crane solutions. | 17 June 2024 |
| China | Cangzhou Huibang Electronic & Mechanical Product Making Co., Ltd. | No.1 Huibang Road, Nanpi County, Cangzhou City, Hebei Provicne PRC | ISO 3834-2:2005 (LRV Ltd.) | Simple welded steel and aluminium structure components. | 6 May 2023 |
| China | Cangzhou Huibang Heavy Industry Equipment Manufacturing Co., Ltd | No.3, North of Huibang Road, East of Eastern Outer Ring, 061500 P.R. China | ISO 3834-2:2001 (LRQA Ltd.) | Welded metal structure for Mechanical equipment | 24 December 2024 |
| China | CECO ZHONGLI INDUSTRIAL TECHNOLOGY JIANGYIN CO., LTD | No. 23 Qiaoqi Park Road, Jiangyin City, Jiangsu Province, PR. China | ISO 3834-2:2005 (LRV Ltd.) | Simple welded steel structure for power station. | 9 October 2024 |
| China | Changchun Yuancheng Railway Vehicle Equipment CO, LTD | Suncaiyuanzi Village, Helong Town, Nong'an County, Changchun City, Jilin Province, P.R. China, 130000 | ISO 3834-2:2001 (LRQA Ltd.) | Welded metal structure, welding structure for railway industry: soundproof enclosures and small parts for railway vehicles. | 11 November 2024 |
| China | Ficont Industry (Tianjin) Co. Ltd | No. 8, Cuiyuan Road, Wuqing Development Zone, Tianjiin, 30700, PRC | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Machine, Crane, Construction accessories. | 23 August 2023 |
| China | Gardner Denver Nash Machinery Ltd. | No. 18, Weiwu Road, Boshan Economic, Development Zone Shandong Province, 255213, P.R. China |
ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Liquid Ring Vacuum Pumps Compressors and Multi-stage Centrifugal Blowers, and Engineered Vacuum and Compressed Package Units etc. |
29 January 2025 |
| China | Hebei Lida Metal Product Group Co., Ltd. | No. 5 Yongda Road, Wumaying Industrial Zone, Nanpi Economic Development Zone, Cangzhou City, Hebei Province, 061503, P.R. China | ISO 3834-2;2005 (LRV Ltd) | Simple welded steel structure components | 19 January 2024 |
| China | Henan Energy Chemical Group Heavy Equipment | Weidu Road Middle Section, Kaifeng City, 475000 P.R. China | ISO 3834-2;2005 (LRV Ltd) | Welded metal structure for hydraulic support | 12 January 2024 |
| China | Henan D.R. Construction Group Steel Structure Co.,Ltd | Jiju district, Yanjin, Xinxiang City, Henan Province, P.R China | ISO 3834-2;2005 (LRV Ltd) | Welded sheet metal structure | 20 January 2023 |
| China | Jiangsu Daming Precision Manufacturing Co.,Ltd | No. 2 Tianqi Road, Wuxi City, Jiangsu Province, PR, China | ISO 3834-2:2005 (LRV Ltd.) | Welded sheet metal structure | 27 November 2023 |
| China | Jiangsu Qili Coating Machinery Manufacturing Co., Ltd. | No. 28 Qingfeng Industrial Park, Nanyang Economic Development Zone, Tinghu District, Yancheng City, Jiangsu Province, 224005 P. R. China | ISO 3834-2:2005 (LRV Ltd.) | Exhaust gas emission cleaning machinery including cases, pipes and accessories made of carbon & stainless steel | 29 January 2023 |
| China | Jiangsu Wanshun New Energy Technology Co. Ltd. | No. 19, Tianlong Road, Tianwang Town, Jurong Citry, Jiangsu Provicne, PRC |
ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Machinery Equipment | 21 October 2022 |
| China | Lianyungang Yulong Formwork Co., Ltd | No. 6, Haizhouwan Zone, Haitou Town, Ganyu District Lianyungang, 222042, P.R. China | ISO 3834-2:2021 (LRQA Ltd.) | Welded metal structure for Formwork, Construction accessories | 4 November 2024 |
| China | Nantong Yundom Precision Metal Works Co. Ltd. | No.203 Qingfeng Road, Sutong, Science & Technology Industrial Park, Nantong, Jiangsu, PR, China |
ISO 3834-2:2005 (LRV Ltd.) | Steel Structure or Parts, Aluminium/Aluminium Alloy Structure or Parts | 31 January 2022 |
| China | Nantong Wanda Boiler CO., LTD. | No. 133, Middle Zhongxiu Road, Nantong City, Jiangsu Province, P.R. China | ISO 3834-2:2005(LRV Ltd) | Boiler, Pressure Vessel and Steel Structure Accessories for Boiler and Pressure Vessel | 17 February 2024 |
| China | Nanjing Huibang New Energy Technology Co., Ltd. | No.7,9,11, Shengyuan Road, Lishui E&T Development Area, Nanjing City, 211299, P.R. China | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for machinery equipment. | 29 October 2023 |
| China | POWERCHINA HENAN ENGINEERING CO., LTD. | Jiahetun Village, Jiaozuo City, 454000, P.R. China | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Power Plant, Building. | 3 September 2023 |
| China | Shanxi Pingyang Coal Machine Equipment Co., Ltd. | No.1, Hongjun Street, Houma City, Shanxi Province, 043003, P.R. China |
ISO 3834-2:2005 (LRV Ltd) | Welded metal structure for machinery equipment | 24 November 2023 |
| China | Shandong Tagao Mining Equipment Manufacturing Co., Ltd. | (Ciyao Town), Ningyang Industrial Park, Tai’An City, Shandong Province, 271000, P.R. China | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Hydraulic support. | 05 July 2023 |
| China | Shandong Yijie Hongfeng Energy Equipment Co., Ltd. | No. 04899 Haifeng Road, Binhai Economic Zone, Weifang, Shandong, 261108, P. R. China | ISO 3834-2:2005 (LRV Ltd.) | Ferrous steel structures for building and bridge construction. | 09 February 2023 |
| China | Shanghai KingSun Steel Product Co., Ltd. | No. 818 Zhongqiang Road, Maogang Town, Songjiang District, Shanghai 201607 People’s Republic of China | ISO 3834-2:2005 (LRV Ltd.) | Boiler and pressure vessels and structures made of carbon steel, low alloy steel, stainless steel and nickel alloy | 20 January 2023 |
| China | Shandong Power Equipment Company Limited | Develop Area of Shandong, Qihe Development Zone, Dezhou City, Shandong Province, 251100, P.R. China | ISO 3834-2:2005(LRV Ltd) | Weld structure of power equipment | 14 March 2024 |
| China | TAIKO KIKAI (QINGDAO) CO., LTD | Shuangyuan west, Liuting Sub-district, Chengyang district, Qingdao City, Shandong province, 266108, P.R. China. | ISO 3834-2:2001 (LRQA Ltd.) | Welded metal structure for pumps | 19 November 2024 |
| China | Tangshan City Fengrun Taiyuan Machinery Manufacturing Co., Ltd. | West Side of Dongshan Road, Fengrun District, Tangshan City, Hebei Province, 063000, P.R. China | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for Hydraulic support. | 29 June 2023 |
| China | Tangshan Yulian Mechanical & Electrical Co., Ltd | Houhu Industrial Area, Yutian County, Tangshan City, Hebei Province, 064106, P.R. China | ISO 3834-2:2001 (LRQA Ltd.) | Welded metal structure for Metallurgical Equipment | 15 January 2022 |
| China | Tianjin Baolai Precision Machinery Industry Group Corp. |
No. 8, Fushun Road, Niujiapai Town, Baodi District, Tianjin, 301809, P. R. China |
ISO 3834-2;2005 (LRV Ltd) | Welded metal structure | 25 November 2023 |
| China | Tianjin Rolerigor Machinery Co Ltd | No. 5, Changda Road, Han’gou Industrial Park, Shuangjie Town, Beichen District, Tianjin, PRC | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure | 11 July 2024 |
| China | Valmet Paper Technology (Xi’an) Co., Ltd. | No. 4, 4th A Fang Road, Xi’an, Shaanxi, 710086, PR China | ISO 3834-2:2005 (LRV Ltd.) | Ferrous and Nonferrous guides, doctors, stretchers, guide rollers, blow boxes, structures. | 18 June 2022 |
| China | Wuxi Huaneng Heat Energy Equipment CO., LTD. | No. 21 Hehuan west road, Industrial Park, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, PR China | ISO 3834-2;2005 (LRV Ltd) | Steel Structure for Power Plant Equipment and Spare Parts | 19 January 2024 |
| China | Zhengzhou Mingtai Traffic New Material Co., Ltd. | Southwest Corner, Intersection of Guangwu Road and Jianshe Road, 450100, P.R. China | ISO 3834-2:2005 (LRV Ltd.) | Welded metal structure for railway vehicle. | 8 October 2023 |
| Estonia | HANZA Mechanics Narva, | Kulgu 5, 20104, Narva, Estonia | ISO 3834-2:2005 (LRV Ltd.) | Welded and machined components and assemblies for ventilation systems, working vehicle, electric and lifting industry applications. | 24 May 2023 |
| Estonia | HANZA Mechanics Tartu AS | Puiestee 2, Tartu, Estonia | ISO 3834-2:2001 (LRQA Ltd.) | Metal constructions, parts, and products for electronic, medical and food industries | 18 November 2026 |
| Estonia | Stera Saue AS | Tule 22, EST-76505 SAUE, HARJUMAA, Estonia | ISO 3834-2:2005 (LRV Ltd.) | Welded and machined components and assemblies for ventilation systems, working vehicle, electric and lifting industry applications. | 04 June 2022 |
| Finland | Aurea Steel Oy Ab | Tehtaankatu 10, 38700 Kankaanpää, Finland | ISO 3834-2:2001 (LRQA Ltd.) | Welding and heat treatment of steel components for equipment manufacturers in technology industry. | 28 November 2024 |
| Finland | EJ-Metalli Oy | Pansiankatu 11, 38700 Kankaanpää Finland |
ISO 3834-2:2005 (LRV Ltd.) | Assembly and welding of heavy and demanding steel constructions in accordance with clients specifications. | 30 March 2024 |
| Finland | FERRUM GROUP OY | Tehtaantie 17 and 23, 60100 Seinäjoki, Finland | ISO 3834-2:2005 (LRV Ltd.) | Prefabrication of steel products, welded assemblies and heat treatment | 11 October 2023 |
| Finland | HANZA Metalliset Oy | Ahjotie 3,79700, Heinävesi, Finland | ISO 3834-2:2005 (LRV Ltd.) | Metal constructions for machine parts and modules | 24 May 2023 |
| Finland | HELSINKI SHIPYARD OY | HELSINKI SHIPYARD OY LAIVAKATU 1,00150 HELSINKI FINLAND |
ISO 3834-2:2005 (LRV Ltd.) | Block manufacturing,outfitting, hull assembly and piping systems welding related to new building and existing ships | 05 June 2022 |
| Finland | HT LASER OY | Kolhontie 88, 42700 KEURUU, FINLAND | ISO 3834-2:2005 (LRV Ltd.) | Welded, machined and surface treated parts for machinery and steel constructions.Laser, laser arc hybrid and arc welding parts for machinery and constructions of special steels and aluminium. | 15 May 2024 |
| Finland | HT LASER OY | Uurastajankatu 13B,33710 Tampere Finland |
ISO 3834-2:2005 (LRV Ltd.) | Welded, machined and surface treated parts for machinery and steel constructions | 15 May 2024 |
| Finland | HT LASER OY | Tuotantokatu 2, 53850 Lappeenranta Finland |
ISO 3834-2:2005 (LRV Ltd.) | Laser, laser arc hybrid and arc welding parts for machinery and constructions of special steels and aluminium. | 15 May 2024 |
| Finland | HT LASER OY | Rakentajantie 26, 20780 Kaarina, Finland | ISO 3834-2:2005 (LRV Ltd.) | Constructions for vehicles and steel constructions | 15 May 2024 |
| Finland | KONEPAJA TIMEKA OY | PAJATIE 3, 23100 MYNÄMÄKI , Finland | ISO 3834-2:2005 (LRV Ltd.) | Welded components for equipment intended to automation and robot industry | 18 February 2023 |
| Finland | LOHKOASENNUS OY | Suojatie 5, Halli 18-1, 26100 Rauma, Finland | ISO 3834-2:2005 (LRV Ltd.) | Steel and aluminium constructions, port equipment, car ramps and passenger gangways | 06 February 2023 |
| Finland | ONSTEEL OY | Onnelantie 1, 43500 Karstula Finland |
ISO 3834-2:2005 (LRV Ltd.) | Welding and machining of machinery components in accordance with clients specifications. | 12 May 2024 |
| Finland | Rautalaaki Oy | Harkkotie 10, 33470 Ylöjärvi, Finland | ISO 3834-2:2005 (LRV Ltd.) | Manufacturing, machining and assembly of multidisciplinary projects of steel constructions for electric, concrete and mining industrie | 28 December 2021 |
| Finland | Stera Technologies Oy | Valtaimenkuja 80, 30100 FORSSA, Finland | ISO 3834-2:2005 (LRV Ltd.) | Cabins for working vehicles; crane components; Customer products. |
04 June 2022 |
| Finland | Stera Technologies Oy | Asessorinkatu 12, 20780 KAARINA, Finland | ISO 3834-2:2005 (LRV Ltd.) | Welded heat exchangers for ventilation systems; Welded terminal boxes and steel covers for electric motors and generators ,customer products. | 04 June 2022 |
| Finland | Stera Technologies AS | Allika Angerja Tee 53 EST-76911 HÜÜRU |
ISO 3834-2:2005 (LRV Ltd.) | Welded components for working vehicles and cranes, hydraulic- and fuel tanks, lifting industry applications, welded heat exchangers for ventilation systems, welded terminal boxes and steel covers for motors and generators Customer products. |
04 June 2022 |
| Finland | Stera Technologies Oy | Turku,Tierankatu 5, FI-20520 TURKU, Finland |
ISO 3834-2:2005 (LRV Ltd.) | Cabins for working vehicles; crane components; Customer products. |
04 June 2022 |
| Finland | Stera Technologies Oy | Varikkotie 2, 73600 KAAVI, Finland | ISO 3834-2:2005 (LRV Ltd.) | Welded and machined components and assemblies for working vehicle, electric and lifting industry applications and welded hydraulic- and fuel oil tanks, Customer products. | 04 June 2022 |
| Finland | Telatek Service Oy | Varvintie 53, FI-92100 Raahe, Finland | ISO 3834-2:2005 (LRV Ltd.) | Steel components and constructions, repair welding , weld surfacing and special fabrications. | 31 December 2021 |
| Finland | Telatek Oy | Posiontie 30, 93400 Taivalkoski, Finland | ISO 3834-2:2005 (LRV Ltd.) | Products of steel and aluminium constructions for marine, off-shore, mining, energy and process industries, railway vehicles. | 22 December 2021 |
| Finland | Tevo Oy | Hiientie 17, 92160 SALOINEN (RAAHE), Finland |
ISO 3834-2:2005 (LRV Ltd.) | Spreader rollers and steel products: Steel structure for marine, paper, pulp, steel and offshore industries. Nuclear parts for water cooling system and structures waste storing. Repair welding of casts and welded equipment. |
13 March 2024 |
| Finland | Valmet Technologies Oy | Lentokentänkatu 11, 33101 Tampere, Finland |
ISO 3834-2:2005 (LRV Ltd) | Sales, Development, Quality Assurance, Pressure part engineering, Purchasing, Material technology and Welding engineering of Pressure parts manufactured in Tampere and Lapua Workshops. | 22 January 2025 |
| Finland | Valmet Technologies Oy | Tampere Workshop Automiehenkatu 27 33840 Tampere Finland |
ISO 3834-2:2005 (LRV Ltd) | Manufacturing and assembly of Power and Recovery boiler parts and related actions to manufacturing. Management of Welding and Welder Qualifications. NDE inspection and management of NDE inspector qualifications. | 22 January 2025 |
| Finland | Valmet Technologies Oy | Lapua Workshop Metallitie 3, 62100Lapua, Finland |
ISO 3834-2:2005 (LRV Ltd) | Manufacturing and assembly of Power and Recovery boiler and Evaporator parts and related actions to manufacturing. Management of Welding and Welder Qualifications. NDE inspection and management of NDE inspector qualifications. | 22 January 2025 |
| France | AIR LIQUIDE ADVANCED TECHNOLOGIES Gaz & Cryo |
2 Rue de Clémencière, 38360 SASSENAGE - France |
ISO 3834-2:2005 (LRV Ltd.) | Welding of cryogenic equipment including gas separation, liquefaction, gas treatment, refrigeration storage, and delivery. | 29 April 2022 |
| France | BOCCARD PROCESS VESSELS | 4 Bd Charles de Gaulle, 42120, Le Coteau, FRANCE | ISO 3834-2:2005 (LRV Ltd). | Fabrication of fusion welded pressure vessels and piping, in austenitic and austeno-ferritic (duplex) stainless steels and nickel alloys for Oil & gas, chemical industry, Food & Cosmetic industry and nuclear industry, at the location mentioned. | 10 November 2024 |
| France | CMP Arles | 1 rue Nicolas Copernic, ZI Nord 13200 ARLES, France. |
ISO 3834-2:2005 (LRV Ltd.) | Conventional and thick walled pressure equipment’s for on-shore, off-shore & subsea applications; Heavy steel structures & equipment for on-shore, off-shore & subsea applications; Pressure & non-pressure equipment’s for refining & petrochemical industries;Cryogenic equipment’s for air gases and hydrocarbon gases; Metallic equipment’s for conventional industries & energies, and for renewable energies applications. | 24 May 2022 |
| France | GE Power – Steam Power System – Belfort Factory | 3 Avenue des Chênes 90018 BELFORT Cedex - France |
ISO 3834-2:2005 (LRV Ltd.) | Welding of industrial equipment use for energy production such as Turbines and Alternators. Turbines with rotor disc and thermal shield on body. Alternators structural parts, pipes and thermal shield.Welding repair of turbines casing. | 27 July 2023 |
| France | OELTECHNIK FRANCE SARL | Zone Artisanale, 6 Rue des Artisans. 68140 MUNSTER - France | ISO 3834-2:2005 (LRV Ltd.) | Water and lube oil systems, seal gas panels and gas skids, heat exchangers and pressure vessels, process piping and general fabrication. |
30 July 2023 |
| France | SICA2M | Rue des Etats Unis., 72540 LOUE - France | ISO 3834-2:2005 (LRV Ltd.) | General Fabrication of Metallic Equipment in Carbon Steel, Austenitic Stainless Steel, and others alloys steel, for Industrial field. | 14 March 2022 |
| Germany | OHL Gutermuth Industrial Valves GmbH | Helmershäuser Str. 9, D-63674 Altenstadt, Germany | ISO 3834-2:2021 (LRQA Ltd.) | Industrial Valves | 6 May 2024 |
| Germany | Liebherr- MCCtec Rostock GmBH | Liebherrstrasse 1, 18146, Rostock, Germany | ISO 3834-2:2021 (LRQA Ltd.) | Manufacture of marine cranes and port crane solutions. | 17 June 2024 |
| Germany | Liebherr- MCCtec Rostock GmBH | Betriebstel Lubmin, Latzower Str. 1, 17509, Rubenow, Germany | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of marine cranes and port crane solutions. | 17 December 2021 |
| India | Canara Hydraulics Pvt. Ltd. | #26E, II Phase, Peenya Industrial Area, Bangalore-560058 India. |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture of hydraulic cylinders. | 04 August 2022 |
| India | CHEEMA BOILERS LIMITED | HAD BAST NO. 123, BANMAJRA, ROPAR, PUNJAB - 140103, INDIA |
ISO 3834-2:2005 (LRV Ltd.) | Pressure Equipment, Boilers and boiler components, power piping related to boilers etc., Pressure Vessel, Steel Structures etc | 18 January 2024 |
| India | Ganges Internationale Pvt Ltd | #163/1, K Sons Complex, 2nd floor Broadway, Chennai-600108, India Factory Address: No A73-78 & 73-79, PIPIDIC Industrial Estate, Mailam Road, Sedarpet, Pondicherry-605111, India |
ISO 3834-2:2005 (LRV Ltd.) | Telecom Towers, Power Transmission Towers, Solar module mounting structure & general engineering structures. | 24 November 2023 |
| India | ISGEC Heavy Engineering Limited. | Radaur Road, Yamunanagar, Haryana, 135001 - India. |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture of Boiler Components and Process Pipings. | 7 September 2023 |
| India | ISGEC HEAVY ENGINEERING LTD. (Boiler Manufacturing & Piping Division) | RATANGARH, (Dist.) YAMUNANAGAR-135001, HARYANA, INDIA | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of Boilers, boiler components and Pipings. | 23 May 2021 |
| India | Larsen & Toubro Limited L&T Shipbuilding |
Kattupalli Village, Ponneri Taluk, Thiruvallur(Dist), Tamil Nadu 600120 | ISO 3834-2;2005 (LRV Ltd.) | Welding, Construction and Repair of : • Ocean going vessels of maximum 85000 DWT • Defence Vessels • Specialized Multipurpose Cargo Vessels • Aluminium Ships & Crafts • Offshore Structures |
13 August 2023 |
| India | L&T Hydrocarbon Engineering Limited, Modular Fabrication Facility, Kattupalli , (A SEZ Unit in L&T Shipbuilding Limited) | Kattupalli Village, Ponneri Taluk India – 600120 Thiruvallur Dist., Tamil Nadu |
ISO 3834-2;2005 (LRV Ltd.) | Manufacturing of - Pressure Equipment or parts for pressure equipment - Steel construction or parts for steel constructions - Components for machine constructions - Components for process engineering constructions |
02 July 2021 |
| India | Technoforce Solutions (I) Private Limited | D 33-35, MIDC Area, Ambad Nashik 422010, India |
ISO 3834-2;2005 (LRV Ltd.) | Structural components and kits for steel structures. | 24 February 2023 |
| Italy | AXO CONSTRUCTION srl | Via Giulio Pastore, 15 and Via Achille Grandi, 1-3, 48123 Ravenna (Ra),Italy | ISO 3834-2:2005 (LRV Ltd.) | Manufacture and erection of welded Steel Structures and Piping Systems. | 11 November 2023 |
| Italy | BABCOCK WANSON ITALIANA SpA | Via Roma 147 20873 Cavenago Brianza (MB) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Pressure Vessels and warm air heaters. | 17 November 2025 |
| Italy | BAZZANA F.lli srl | Via G. Falcone 10, 25010 Gambara (BS) – Italy | ISO 3834-2:2005 (LRV Ltd.) | Execution of weld overlay for valve bodies and components. | 21 August 2021 |
| Italy | CAMBARERI SPA | Loc. Cava di Barano, snc 89011 Bagnara Calabra (Rc) – Italy |
ISO 3834-2:2005 (LRV Ltd.) | Pipelines and Ducts for Industrial and Civil works. | 9 October 2024 |
| Italy | CARPENTERIA+C74:O76 CORSI srl | Via Dorsale, 13 - 54100 Massa Carrara (MC) – Italy | ISO 3834-2:2005 (LRV Ltd. | Manufacturing of Pressure Vessels, Compressors Casing for Petrochemical Industry, Metallic Carpentry equipment for military, naval, chemical and petrochemical industry. | 09 May 2026 |
| Italy | CARPENTERIA CORSI srl | Via Borgolo, 58 - 19033 Castelnuovo Magra, Località Molicciara (SP) – Italy | ISO 3834-2:2005 (LRV Ltd. | Manufacturing of Pressure Vessels, Compressors Casing for Petrochemical Industry, Metallic Carpentry equipment for military, naval, chemical and petrochemical industry. | 09 May 2026 |
| Italy | CORDIOLI & C. SPA | Via Del Lavoro, 1, 37067 Valeggio Sul Mincio (VR) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Fabrication of Steel structures for railway and roadway bridges and civil-industrial buildings. | 21 January 2021 |
| Italy | DETTIN S.p.A. | Via Daniele Manin 16/18 36015 – Schio (Vi) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Manufacturing of Pressure Vessels, Heat Exchangers and components for industrial Plants. | 25 November 2025 |
| Italy | DUE EMME S.p.A | Frazione Montegemoli, Via Brenta 21, Operative Unit: Frazione Montegemoli, Via Adige 28, 57025 Piombino (Li) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Design and manufacturing of baseplates, piping, pressure vessels and steel structures. | 21 October 2022 |
| Italy | F.lli Bertoni S.r.l. | Via Monte Sagro, 19021 Arcola (SP) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Steel and Aluminium structures for industrial applications. | 21 June 2021 |
| Italy | FAI OFFICINE DI CARVICO SPA | Via Don Pedrinelli, 36, 24030 Carvico (Bg) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of pressure vessel and components for oil and gas industry for offshore and onshore, pipeline and sealine facilities and water intakes for power generation and desalination plants. | 9 April 2023 |
| Italy | FERRETTI Construction S.r.l. |
Via A. De Gasperi 32 24048 Treviolo (Bg) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Steel Structures assembly for buildings and industrial plants. Piping and pressure parts assembly for industrial Plants. | 11 December 2023 |
| Italy | Filtrex S.r.l. | Via Rubattino, 94B, 20134 Milano (Mi) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Filters type simplex, duplex, self-cleaning, automatic, six way valves, coalescent units, skid mounted system, ballast water treatment systems for marine, industrial and oil & gas use. | 31 October 2021 |
| Italy | GAP S.r.l. | Via de Pascoli, 17/19 24050 Grassobbio (BG) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Manufacturing of Steel Structures | 29 November 2025 |
| Italy | ICS Industrial Construction Services SRL | C.da Piccoli, snc – Z.I. 72100 Brindisi (Br) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of piping, pressure vessel, boiler, steel structures and components for oil and gas industry for offshore and onshore, pipeline and sealine facilities and for power Generation and desalination plants. | 22 April 2023 |
| Italy | Industrie Meccaniche di Bagnolo Srl | Strada Paullese , 2, 26010 Bagnolo Cremasco (CR) Italy | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of heat exchangers, pressure vessels and reactors. | 23 February 2026 |
| Italy | MECC 2000 srl | Via Fiorentina, 4D, 42013 Casalgrande (Re) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Welding of Civil and Industrial Steel Structures and Components for Industrial Plant | 15 November 2023 |
| Italy | MECC 2000 srl | Via Ghiacci 7 – 42019 Scandiano (Re) – Italy | ISO 3834-2:2005 (LRV Ltd.) | Welding of Civil and Industrial Steel Structures and Components for Industrial Plant | 15 November 2023 |
| Italy | Micam s.a.s. di A. Arduini & C. | Via Campania, 67/69, 20093 Cologno Monzese (Mi) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Pressure equipment and steel work for plants for chemical, petrochemical, pharmaceutical industry and ecological plants | 5 July 2022 |
| Italy | NABTESCO OCLAP Srl | Via della Rimembranza, 13, 10060 Piscina To – Italy | ISO 3834-2:2005 (LRV Ltd.) | Door system, steps, elevators for disable lifting and equipment for public and railway transport vehicles; platform screen doors for underground stations. | 27 November 2021 |
| Italy | O.ME.R. SRL | Via A. Russello, 1, 90044 Carini (Pa) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Welding of stainless steel and light alloys carpentry for railway and wheeled vehicles | 08 December 2025 |
| Italy | O.ME.R. SRL | Via Don luigi Sturzo snc CAPANNONI B1, B2 – 90044 Carini (Pa) - Italy | ISO 3834-2:2005 (LRV Ltd.) | Welding of stainless steel and light alloys carpentry for railway and wheeled vehicles | 08 December 2025 |
| Italy | PIANA SpA | Via Primo Levi, 3, 27049 Stradella (Pv), Italy. | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of welded carbon, low carbon, high yield carbon, alloy, stainless, ferritic-austenitic steel and non-ferrous alloy fittings and special pieces up to 120" and associated pipelines products. | 27 September 2023 |
| Italy | PVA ITALY SRL | Via Vicenza 13 36030 S.Vito di Leguzzano (VI) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture of Pressure and Vacuum equipment | 17 June 2023 |
| Italy | ROSETTI MARINO SpA | Via Trieste 230, 48122 Ravenna, Italy | ISO 3834-2:2005 (LRV Ltd.) | Design, engineering project management, procurement and construction of offshore and onshore plants and modules, including steel structures. Design engineering and fabrication of pressure vessels and process packages | 12 December 2021 |
| Italy | ROSETTI MARINO SpA | Via del Marchesato 37, 48122 Marina di Ravenna (Ravenna), Italy | ISO 3834-2:2005 (LRV Ltd.) | Design, engineering project management, procurement and construction of offshore and onshore plants and modules, including steel structures. Design engineering and fabrication of pressure vessels and process packages | 12 December 2021 |
| Italy | TECNOMAS A.S.P. S.r.l. | Via Della Resistenza 11/a 24051 ANTEGNATE (BG) – Italy |
ISO 3834-2:2005 (LRV Ltd.) | Steel structures for Industrial and Civil works. | 19 July 2025 |
| Italy | S.A.M.E.C. S.P.A. COSTRUZIONI MECCANICHE | Via IV Novembre, 1 26022 Castelverde (Cremona) - Italia |
ISO 3834-2:2005 (LRV Ltd.) | Pressure vessels in carbon steel, stainless steel and special alloys. Plants for handling and storage of bulk, solid and dust material. Steel structures medium & heavy. | 16 October 2022 |
| Italy | SIDERTAGLIO CALANDRATURA srl | Via Marzotto, 9, 36031 Povolaro di Dueville (VI) – Italy | ISO 3834-2:2005 (LRV Ltd.) | Welded Pipelines, cylinders for papermaking and textile industries, parts of pressure vessels and tanks. | 29 June 2022 |
| Italy | VT IMPIANTI DI VANELLO SILVANO & C. S.A.S. | Via degli Artigiani, 51 54100 Massa (MC) |
ISO 3834-2:2005 (LRV Ltd.) | Pipelines and steel structures for Industrial and Civil works. | 24 September 2025 |
| Italy | ZANON RESEARCH & INNOVATION SRL | Via Vicenza 113 36015 – Schio (Vi) - Italy |
ISO 3834-2:2005 (LRV Ltd.) | Manufacturing of high vacuum and pressure equipment for research & industry. | 22 December 2025 |
| Malaysia | Amalgamated Metal Corporation (M) Sdn Bhd, | Lot 109B, 23C,24 Kawasan Perindustrian , Gebeng 26080, Kuantan, Pahang, Malaysia |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture Pressure Vessel, Skid, Structure, Boiler & Heat Exchanger. | 30 March 2024 |
| Malaysia | EEW Malaysia Sdn Bhd | PLO 109, Jalan Tengar, Tanjung Langsat Industrial Complex,81700, Pasir Gudang, Johor, Malaysia |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture Cold and Hot Formed Welded Structural Hollow Sections (LSAW pipes) and Structural Assembly. | 09 June 2024 |
| Malaysia | Malaysia Marine and Heavy Engineering Sdn Bhd (14558-P) | PLO 3 Jalan Pekeliling 81700 Pasir Gudang , Johor, Malaysia | ISO 3834-2:2005 (LRV Ltd.) | Manufacture offshore and onshore production system and its facilities for Oil & Gas, Petrochemical, Power Generation and other heavy engineering applications. | 14 August 2024 |
| Malaysia | THYE HENG TECHNOLOGY SDN BHD | PMT 787, JALAN PERSIARAN CASSIA SELATAN 6/4, TAMAN PERINDUSTRIAN BATU KAWAN (BKIP), MUKIM 13, SEBERANG PERAI SELATAN, 14110 BANDAR CASSIA, PENANG, MALAYSIA | ISO 3834-2:2021 (LRQA Ltd.) | Steel structures, Spread Arm, Reach Stacker Spare Parts | 31 January 2027 |
| Malaysia | Yangtze Construction and Engineering Pte Ltd | 124 Pioneer Road, Singapore 639584 | ISO 3834-3:2005 (LRV Ltd.) | Structural Steel Components (Tank, Platform, Staircase, Tower, Equipment Foundation, Modules, Railings, Ladders, Manholes, Hatches, Roofing & Shelters) | 13 February 2026 |
| Poland | GE Power Sp. z o.o., Branch Elblag - Foundry | ul. Dolna 5, 82-300 Elblag, Poland | ISO 3834-2:2005 (LRV Ltd.) | High Pressure (HP) and Intermediate Pressure (IP) valve body, Inlet pipe body, Intermediate Pressure (IP) exhaust casings, High Pressure (HP) and Intermediate Pressure (IP) Inner casings, High Pressure (HP) and Intermediate Pressure (IP) Outer casings, Blade carriers, Iron castings. | 23 September 2024 |
| Poland | GE Power Sp. z o.o., Branch Elblag - Turbine Factory | ul. Stoczniowa 2, 82-300 Elblag, Poland | ISO 3834-2:2005 (LRV Ltd.) | Turbine rotor, welded constructions & surfaced: castings, forgings, plates and pipe for conventional power plants, industrial power plants, nuclear power plants and gas power plants. | 23 February 2025 |
| Portugal | BTL – INDUSTRIAS METALURGICAS SA | Rua de Sobradelo nº 543, 3720-192 Ossela, Portugal | ISO 3834-3:2005 (LRV Ltd.) | Structure Manufacture and Metallic Equipment | 16 March 2024 |
| Portugal | INI - INDUSTRIA DE INOXIDAVEIS, SA | Ap 206 - Zona Industrial de Codal, 3731-901 E.C. Vale de Cambra, Portugal | ISO 3834-3:2005 (LRV Ltd.) | Structure Manufacture and Metallic Equipment | 14 April 2022 |
| Portugal | SETOFRESA & ASSOCIADOS – Indústria Metalomecânica Lda | Sapal de Moinho Novo 2901-901 Setúbal, Portugal | ISO 3834-3:2005 (LRV Ltd.) | Fabrication of steel structures. | 05 December 2022 |
| Portugal | UMM – União Metalomecânica S.A | Rua Soares Carneiro n.º2, 2720-796 Amadora, Portugal | ISO 3834-3:2005 (LRV Ltd.) | Fabrication of steel components. | 27 January 2022 |
| Singapore | Baker Engineering Pte Ltd | 10 Jalan Samulun, Singapore 629124 | ISO 3834-2:2005 (LRV Ltd.) | Design, Engineering, Procurement, Construction and Commissioning of Self Elevating Units (SEU) and Lifeboats for the Offshore , Oil & Gas, and Wind Farm Industries. | 19 November 2024 |
| Singapore | Cameron (Singapore) Pte Ltd, A Schlumberger Company | No.2 Gul Circle, Jurong Industrial Estate, Singapore 629560 | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of Wellhead and Christmas Tree Equipment. | 13 March 2024 |
| Singapore | Lam Heng Technologies Pte Ltd | 34 Kian Teck Drive , Singapore 628857 | ISO 3834-2:2005 (LRV Ltd.) | Steel Structural Fabrication for construction, Marine Engineering Offshore equipment, Piping Welding works and General Engineering works for Land Equipment System | 21 May 2026 |
| Singapore | Lam Heng Technologies Pte Ltd | No.1, Jalan Samulun, Singapore 629119 | ISO 3834-2:2005 (LRV Ltd.) | Steel Structural Fabrication for construction, Marine Engineering Offshore Equipment, Piping Welding works and General Engineering works for Land Equipment System | 21 May 2026 |
| South Africa | 3C Metal Belmet (PTY) Ltd | 9A Electron Street, Stikland, Cape Town, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Manufacture of pressurised piping systems and non-pressurised structural component. | 10 February 2023 |
| South Africa | Akula Trading 277 (Pty) Ltd T/A Chemchamp (Pty) Ltd. | 47 Standford Road,Korsten, Port Elizabeth, South Africa. |
ISO 3834-2:2005 (LRV Ltd.) | Pressure vessels in Stainless Steel. | 19 March 2023 |
| South Africa | Belmet Marine (Pty) Ltd | Atomic Street,Triangle Farm, Bellville, Cape Town, South Africa. |
ISO 3834-2:2005 (LRV Ltd.) | Box Steel Fabrications for heavy and general engineering. | 16 March 2022 |
| South Africa | Boiler Tube and General Welding (Pty) Ltd | Red Street 3.2, site 179.1, Isithebe, KZN, 4490, South Africa. |
ISO 3834-2:2005 (LRV Ltd.) | Boiler Repair & General Welding | 10 February 2023 |
| South Africa | CEF Manufacturing (Pty) Ltd |
38A Kariba Street, Vereeniging, 1930, South Africa |
ISO 3834-2:2005 (LRV Ltd.) | Medium thickness steel fabrications, piping, repair, shaft up grading, in carbon and stainless steels | 27 October 2023 |
| South Africa | CEF Precision Engineering (Pty) Ltd |
38A Kariba Street, Vereeniging, 1930, South Africa |
ISO 3834-2:2005 (LRV Ltd.) | Medium thickness steel fabrications, pipiMedium thickness steel fabrications, piping, repair, shaft up grading, in carbon and stainless steels ng, repair, shaft up grading, in carbon and stainless steels. | 27 October 2023 |
| South Africa | Conbrako (Pty) Ltd |
14 Dobson St, Chamdor, Krugersdorp, South Africa |
ISO 3834-2:2021 (LRQA Ltd.) | Railway components, custom steel manufacturing and pressure vessels as required by SANS 347:2012 appendix C for pressure vessels stamped RSA/CI/OSHA. | 03 April 2025 |
| South Africa | GEECOM (Pty) Ltd, | 1490 Mailship Street, Lazer Park, Johannesburg, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Fabrication of Electrostatic Precipitators in mild and stainless steel. | 19 May 2022 |
| South Africa | Global Engineering Work (Pty) Ltd. | 32 Vecor Park, McColm Boulevard, Vanderbijlpark, South Africa. | ISO 3834-2:2005 (LRV Ltd.) | Earth Moving & Mining Equipment. | 12 November 2023 |
| South Africa | Hospi Sterilizers and Stainless Steel Engineering cc. | 3 Potgieter Street, Rosslyn, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Autoclaves and Boilers for the Sterilization of medical instruments. | 29 May 2023 |
| South Africa | IEC – Holden ( Pty ) Ltd. | 60 Electron Ave,Isando,Johannesburg, South Africa. |
ISO 3834-2:2005 (LRV Ltd.) | Electrical motors and generators. | 22 November 2021 |
| South Africa | Konecranes (Pty) Ltd | 5 Jurie Street, Alrode 1449, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Box section girder cranes. | 02 January 2022 |
| South Africa | Kijima Construction (Pty) Ltd | 11 Reading Avenue, Evander, Mpumalanga, 2280, South Africa |
ISO 3834-2:2005 (LRV Ltd.) | Structural Steel and Low-Pressure Piping | 18th October 2023 |
| South Africa | LH Martinusen, a division of Atcom (Pty) | 338 Main Reef Road Denver, Johannesburg, South Africa. |
ISO 3834-2:2005 (LRV Ltd.) | Rotary Equipment (Impellers, fans) | 16 February 2023 |
| South Africa | MEI Construction & Services cc. | Unit 7, Bedfordview Office Park, 3 Riley Road, Bedfordview, Johannesburg, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Structural Steelwork | 18 July 2022 |
| South Africa | Turnmill Proquip Engineering (PTY) Ltd | 12 Fairbank Street, NW7, Vanderbijlpark, Johannesburg, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Medium thickness steel fabrications, piping and pressure vessels. | 01 May 2021 |
| South Africa | Westarcor Engineering (Pty) Ltd | 25 Platinum Street, Saldanha Bay, 7395, South Africa | ISO 3834-2:2005 (LRV Ltd.) | Light, Medium and Heavy Structural and Pipe fabrication | 19 November 2020 |
| Spain | NEWTESOL S.L.U. | CA-141 Km 2,5 Nave Sur 2, 39792 Gajano, Cantabria, Spain | ISO 3834-2:2005 (LRV Ltd.) | Fabrication of pressure vessels and machined-welded component for the nuclear and petrochemical industry. Weld overlay, pipeline fabrication and internals, in special and conventional materials | 29 December 2023 |
| Spain | TALLERES COBO HERMANOS, S.L. | Polígono Industrial de Guarnizo, parcela 22, 39611 Guarnizo, Cantabria, Spain |
ISO 3834-2:2005 (LRV Ltd.) | Fabrication and repair of tanks for transport of dangerous goods. | 23 June 2024 |
| Spain | TRENES DE NAVARRA S.A. (TRENASA) | Polígono Industrial Parcela 1 31590 Castejón, Navarra, Spain |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture of rail vehicles (box structure and subsets) and components for the automotive industry. | 19 May 2022 |
| Sultanate of Oman | L&T Modular Fabrication Yard LLC | PO Box no. 236, P.C : 322, Falaj Al -Qabail Plot No: 3 , Sohar Industrial area, Sohar, Sultanate of Oman. |
ISO 3834-2:2005 (LRV Ltd.) | Manufacture of structural components ,Modules and assemblies including piping and pipelines. | 01 May 2024 |
| Sweden | Valmet AB | Regnbågsgatan 6, 417 55 Gothenburg, Sweden |
ISO 3834-2:2005 (LRV Ltd.) | Sales, Development, Quality Assurance, Pressure part engineering, Purchasing, Material technology and Welding engineering of Pressure parts. Manufacturing and assembly of Power and Recovery boiler parts and related actions to manufacturing. Management of Welding and Welder Qualifications. NDE inspection and management of NDE inspector qualifications | 22 January 2025 |
| Trinidad | IAL ENGINEERING SERVICES Ltd | La Retriate Rd, Gonzales Village, Guapo, Trinidad, W.I. |
ISO 3834-2:2005 (LRV Ltd.) | Structural Steel, Process and Pressure Piping. | 07 October 2021 |
| United Arab Emirates | Al Raha Metal Products Factory L.L.C. | (Unit - Al Raha Mechanical Equipment WLL)Industrial City of Abu Dhabi III 116 SR46, ICAD 3, Mussafah, Abu Dhabi, United Arab Emirates | ISO 3834-2:2005 (LRV Ltd.) | Pressure Equipment, Piping and non-Pressurised Structural Steel. | 09 May 2026 |
| United Kingdom | AJT Engineering Ltd | Craigshaw Crescent, West Tullos, Aberdeen AB12 3TB | ISO 3834-3:2005 (LRV Ltd.) | Cladding, Fabrication and Welding of Pressure Control Equipment. | 15 April 2022 |
| United Kingdom | Armultra Ltd | Armultra House, Hewett Road, Gapton Hall Industrial Estate, Great Yarmouth, Norfolk, NR31 0RB, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Assemblies, Pressure vessels, piping and structural components fabrication. | 20 June 2021 |
| United Kingdom | Balfour Beatty Kilpatrick Ltd | Brombrough, CH62 4YB, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Manufacture, fabrication, installation and site erection of pipework, pressure equipment and assemblies, plant, equipment, structural and general steel work. | 21 May 2023 |
| United Kingdom | Barton Firtop Engineering Company Ltd incorporating RGR Fabrication and Welding Services Ltd, | Unit 23, Pensnett Trading Estate, Kingswinford, West Midlands, DY6 7PP United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Design, development and manufacture of pressure vessels, filters, strainers, coalescers, sight glasses, flame arrestors, pipework, filtration equipment, expansion joints, industrial silencers, static mixers, general fabrication and associated assemblies for fluid processing applications. | 29 July 2023 |
| United Kingdom | Bradgate Containers Limited | Leicester Road, Shepshed, Leicestershire, LE12 9EG, United Kingdom | ISO 3834-3:2005 (LRV Ltd.) | Steel Structures and General Fabrications. | 08 February 2024 |
| United Kingdom | Cammell Laird Shiprepairers & Shipbuilders Limited | Cammell Laird Shipyard, Campbeltown Road, Birkenhead, Merseyside CH41 9BP, UK. |
ISO 3834-2:2021 (LRQA Ltd.) | Structural Steel and general fabrications. | 02 January 2027 |
| United Kingdom | CFS Offshore Ltd | Unit 9, Wagonway Industrial Estate, Wagonway Road, Hebburn , Tyne and Wear, NE 31 1 SP, UK. | ISO 3834-2:2005 (LRV Ltd) | Manufacture, Assembly and Supply Services for Structural Steelwork, Pipework, Grillages, Marine Services Including Mobilisation and De-mobilisation of Offshore Vessels. | 13 December 2023 |
| United Kingdom | Cullum Detuners Ltd | Heanor Gate Industrial Park, Heanor, Derbyshire, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Design and manufacture of acoustic, filtration and environmental control equipment, gas turbine test facilities and associated technical services for the energy, oil, gas, marine and aerospace industries. | 23 October 2022 |
| United Kingdom | DTEC Engineering Ltd | Unit 1, Jupiter Business Park, Airfield Estate, Hixon, Stafford ST18 0PF, United Kingdom | ISO 3834-2:2021 (LRQA Ltd.) | Production of workshop based and on-site weld overlay services, including associated enabling works for the oil refining & petrochemical industry, and supply of weld overlaid tube for the power industry | |
| United Kingdom | Excel Power Construction Ltd | Parc Eirin Ind Est, Tonyrefail, Porth, Wales | ISO 3834-2:2005 (LRV Ltd.) | Design, manufacture and erection of steelwork and pipework systems. | 06 October 2024 |
| United Kingdom | Fort Vale Engineering Limited | Simonstone Lane, Simonstone, Lancashire, United Kingdom |
ISO 3834-2:2005 (LRV Ltd.) | Valves and Ancillary Equipment for Containers, Road Tankers and Industrial Applications. | 08 September 2024 |
| United Kingdom | Fort Vale Nuclear Limited | Simonstone Lane, Simonstone, Lancashire, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Welded Components for the Nuclear Industry. | 08 September 2024 |
| United Kingdom | Fullmen Ltd | Kings Rd, Canvey Island, SS8 0SF, UK. | ISO 3834-2:2021 (LRQA Ltd.) | Fabricated trackside and overhead line equipment. | 14 March 2025 |
| United Kingdom | Gilwood (Fabricators) Company Ltd | Bradshaw Street, Heywood, Lancashire, OL10 1PL United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Pressure Vessels, storage tanks, pipework and structural fabrication. | 19 March 2023 |
| United Kingdom | GSFA Limited | Gibbs Road, Lye, Stourbridge, West Midlands, DY9 8SY , United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Structural steel work, pressure vessels, pipework, packaged equipment. | 15 May 2022 |
| United Kingdom | Harland & Wolff Methil Ltd | Wellesley Rd, Buckhaven, Fife, KY8 3RA, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Welding of Offshore, Onshore & Subsea Structures | 29 April 2024 |
| United Kingdom | Harland & Wolff Methil Ltd | Arnish Point, Stornoway, Isle of Lewis, Western Isles, HS2 9JZ, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Welding of Offshore, Onshore & Subsea Structures | 29 April 2024 |
| United Kingdom | Jacob’s Field Services Limited, | Humber Road, Barton upon Humber, North Lincolnshire, DN18 5BN, UK. | ISO 3834-2:2005 (LRV Ltd.) | Repair, manufacture and assembly of steel constructions and piping, specialised orbital TIG welding, corrosion resistant overlays & Hard facing. | 26 March 2025 |
| United Kingdom | KGD Industrial Services Incorporating KGD Process International Limited | Netherwood Road, Rotherwas Industrial Estate, Hereford, Herefordshire, HR2 6JU, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Design & Manufacture of Skid Packages including Baseframes, Tanks, Pressure Vessels, and Piping fabrication. | 18 September 2021 |
| United Kingdom | L&N (Scotland) Ltd | Kirkhill Industrial Estate, Aberdeen, AB21 0GZ, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Manufacturer of subsea equipment, control systems & flow-spools, specialised orbital TIG welding, corrosion resistant overlays & pipe bore in-lay. |
16 May 2021 |
| United Kingdom | Laker-Vent Engineering Ltd | Laker House, North Road, Ellesmere Port, Cheshire, CH65 1BA, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | rocess pipework for the Nuclear, Power, Chemical, Oil & Gas, Pharmaceutical, Sub-sea, Aerospace, Food & Brewing Industries applications. | 13 December 2022 |
| United Kingdom | Liebherr Sunderland Works Ltd, | Ayres Quay, Deptford Terrace, SR4 6DD, Sunderland Tyne and Wear, United Kingdom | ISO 3834-2:2021 (LRQA Ltd.) | Manufacture of marine cranes and port crane solutions. | 17 June 2024 |
| United Kingdom | McMenon Engineering Services Ltd | Salterbeck Trading Estate, Workington, Cumbria, CA14 5DS, UK | ISO 3834-2:2005 (LRV Ltd.) | Welded Temperature and Flow measuring equipment. | 07 March 2024 |
| United Kingdom | Mech-Tool Engineering Ltd | Mech-Tool House, Whessoe Road, Darlington DL3 0QT, United Kingdom |
ISO 3834-2:2005 (LRV Ltd) | Manufacture of module systems, heat shields, fire/blast walls, blast relief systems, thermal insulation & general fabrication for the oil & gas, petrochemical, nuclear, defence, energy and renewable markets. | 17 July 2023 |
| United Kingdom | Miller Fabrications Ltd | Waterloo, Barton Hall Works, Overton Road, Wishaw, Lanarkshire, ML2 8EW, UK. | ISO 3834-2:2005 (LRV Ltd) | The manufacture and installation of structural steelwork, stairways, balustrades, balconies and juliettes. | 18 November 2023 |
| United Kingdom | Normand and Thompson Ltd | Hillend Industrial Estate, Dalgety Bay, KY11 9JH, Fife, Scotland, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Structural steel work, pressure vessels, pipework, storage tanks. | 24 August 2021 |
| United Kingdom | Paralloy Limited | Paralloy House, Nuffield Road, Billingham , Cleveland,TS23 4DA, United Kingdom |
ISO 3834-2:2005 (LRV Ltd.) | Fabrication of Reformer assemblies, catalyst assemblies and ethylene coils for petro chemical furnaces. | 10 September 2022 |
| United Kingdom | Pfaudler Ltd | Riverside, Leven, Fife, KY8 4RT, Scotland, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Glass and Fluoropolymer Lined and Unlined Carbon, Stainless and Alloy Pressure Vessels and their components. | 21 October 2024 |
| United Kingdom | Portobello-RMF Engineering Ltd | Dinnington, Sheffield, S25 3RF, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Pressure Vessels, shell and tube heat exchangers and special fabrications. | 06 January 2022 |
| United Kingdom | Portobello-RMF Engineering Ltd | Holbrook, Sheffield, S20 3FR, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Pressure Vessels, shell and tube heat exchangers and special fabrications. | 06 January 2022 |
| United Kingdom | Raisco Ltd | Newton Aycliffe Industrial Estate, Durham Way South, Langton Business Park, Newton Aycliffe, DL5 6BL, UK. | ISO 3834-2:2005 (LRV Ltd.) | The manufacture and installation management of structural steelwork, stairways, balustrades and general fabrications. | 06 December 2023 |
| United Kingdom | Pruce Newman Pipework Ltd | Ayton Road, Wymondham, Norfolk, NR18 0QJ, United Kingdom |
ISO 3834-2:2005 (LRV Ltd.) | Structural fabrication and welding including storage tanks, pressure vessels and pipework large and small bore diameters. | 14 July 2024 |
| United Kingdom | Siemens Industrial Turbomachinery Limited | Joseph Ruston Building, Pelham Street, Lincoln, LN5 7FD, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Pressure Systems for SGT 100 to SGT400 Gas Turbine Sets. | 28 September 2021 |
| United Kingdom | C Spencer Limited | One Humber Quays Wellington Street West Hull East Riding of Yorkshire HU1 2BN |
ISO 3834-2:2005 (LRV Ltd.) | On site fabrication and welding of structural steelwork for strengthening, refurbishment, maintenance and repair of bridges. Welding of new steelwork up to minimum specified yield strength of 460 N/mm to existing bridge steelwork. | 12 January 2024 |
| United Kingdom | Durham Sheet Metal Works Ltd | Progress House, Templetown, South Shields, NE33 5TE, UK. | ISO 3834-2:2005 (LRV Ltd.) | Manufacture, assembly and supply services for structural steelwork, pipework, grillages, gas turbine support equipment, platforms and other structures. | 10 May 2024 |
| United Kingdom | Team Industrial Services (UK) Ltd | Unit 5, 12A Kingstown Broadway, Kingstown Industrial Estate, Carlisle, Cumbria, CA3 0HA, UK. | ISO 3834-2:2005 (LRV Ltd.) | The fabrication of pipe line intervention equipment, repairs of maintenance equipment and general fabrications. | 09 May 2024 |
| United Kingdom | Texo Fabrication Ltd | South Harbour, Port of Blyth, Blyth, Northumberland, NE24 3PB |
ISO 3834-2:2005 (LRV Ltd.) | Fabrication projects of all sizes and levels of complexity in Oil & Gas, Green Energy, Renewables, Construction & Decommissioning. | 4 August 2023 |
| United Kingdom | Texo Fabrication Ltd | Stannergate Road, Dundee, DD1 3NA | ISO 3834-2:2005 (LRV Ltd.) | Fabrication projects of all sizes and levels of complexity in Oil & Gas, Green Energy, Renewables, Construction & Decommissioning. | 4 August 2023 |
| United Kingdom | Tolley Fabrications Ltd | Unit S6, Tursdale Business park, Durham, County Durham , United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Manufacture, Assembly and Supply Services for Structural Steelwork, Aluminium, Stainless, Pipework, Grillages, Marine Services Including Mobilisation and De-mobilisation of Offshore Vessels. | 27 October 2023 |
| United Kingdom | Unit Birwelco Group Ltd. Incorporating Unit Engineers & Constructors Ltd & Unit Superheater Engineering Ltd | Unit House, Elba Business Park, Swansea. SA1 8QE,UK | ISO 3834-2:2005 (LRV Ltd.) | Design and manufacture of pressure vessels including boilers, superheaters, headers, manifolds, drums, heat exchangers and pipe work fabrication. | 22 October 2023 |
| United Kingdom | West Cumberland Engineering Ltd | Joseph Noble Road, Lillyhall Industrial Estate, Workington, Cumbria, CA14 4JX, UK. | ISO 3834-2:2005 (LRV Ltd.) | Pressure Vessels, Pipework & Structural Fabrication. | 19 October 2023 |
| United Kingdom | WIKA Instruments Ltd. TC Fluid Control Level Division | Unit 4 The Interchange, Wested Lane, Swanley, Kent BR8 8TE, United Kingdom | ISO 3834-2:2005 (LRV Ltd.) | Design and manufacture of Valves and Flowline control and level monitoring equipment for Oil, Gas and Petrochemical Industries. | 07 May 2022 |
| United Kingdom | Zeeco Europe Limited | Woolfox Building, Great North Road, Stretton, Rutland, LE15 7QT UK |
ISO 3834-2:2005 (LRV Ltd.) | The design, manufacture, installation, commissioning and maintenance of burners, incinerators, flare gas recovery units and vapour recovery units. The design, manufacture, installation, rental, commissioning and maintenance of vapour combustors. | 05 March 2026 |
| United States | HOLTEC Manufacturing Division, HOLTEC International | Keystone Commons, 750 Braddock Avenue, East Pittsburgh, PA 15112, USA. | ISO 3834-2:2021 (LRV Ltd.) | Equipment to store and transport nuclear fuel and other materials, pressure vessels, heat transfer equipment and other similar types of equipment and extruded and miscellaneous fabricated product. | 21 February 2027 |