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LRQA ISO 3834 Certification

ISO 3834 Certification Register

A list of companies certified to ISO 3834 by LRQA Verification Ltd.

ISO 3834

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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