DSME is a premium shipbuilding and offshore company. DSME's vessels are highly appreciated for their finest quality in the world's shipbuilding market where established major players in the world economy such as Europe and America compete. Started in 1973 at Okpo Bay, Geoje Island, located on the southeastern tip of the Korean Peninsula, the shipyard of DSME was completed in 1981. DSME has since grown into the world's premium shipbuilding and offshore contractor who is specialized in building various vessels, offshore platforms, drilling rigs, FPSO/FPUs, submarines, and destroyers. The shipyard which spans an area of 4.9 million meters squared encompasses the world's largest dock with a million-ton capacity and is optimized for building high-tech motor vessels using cutting-edge equipment, including a 900-ton goliath crane. DSME manufactures high-quality products based on its vast IT expertise, well-managed shipbuilding technologies, superb fixed-platform construction capacities, large-scale project management know-how, and submarine/destroyer construction technologies.

Samsung Heavy Industries has successfully completed many of the world's first and largest shipbuilding and offshore EPC projects, with sole aim to establish global leadership in each of the participating market segments. Most notably, it has achieved unbeatable leadership in the high-tech high-value shipbuilding sector by maintaining the world’s No. 1 share in the drill ship, LNG carrier and FPSO markets. The company has developed and built the first Arctic Shuttle-Tanker and LNG-FPSOs in the world, and has pioneered new market developments by developing innovative products such as LNG-FSRU, and various ships for polar applications, Arctic Ice-Breaker Container Ships. In the offshore facilities sector, the company has fortified its reputation through its excellent technology and rich experience, by successfully delivering the world’s largest semi-submerged offshore drilling platform.

Sinopec Petroleum Engineering Technology Service Co., Ltd., established on 2012-06-28, Business scope includes construction general contracting,Professional contractors,Labor subcontracting;Construction Project Management;Providing services for onshore and offshore oil and gas extraction;Engineering and Technology Research and Experimental Development;construction work preparation;Sales of machinery and equipment,Wujinjiaodian,computer,Software and Auxiliary Equipment;Machinery and Equipment Leasing;Energy and Mineral Geological Exploration,Solid Mineral Geological Exploration;Geological Exploration Technical Services;oil,Investment in natural gas and mineral energy projects;Organization of enterprises with manufacturing operations to manufacture metal structures,metal tools,metal pressure vessel,General instrumentation,Special Instruments,chemical reagent,chemical additives,Specialty Chemicals(including oilfield chemicals)and mine,metallurgy,Construction Special Equipment;Organize enterprises with foreign contracting project permits to contract overseas petroleum projects,natural gas engineering,chemical engineering,bridge engineering,Road construction,building engineering,Water Resources and Hydropower Engineering,Municipal public works,Steel structure engineering,Power Engineering,Fire facilities engineering,Industrial installation engineering and domestic and international bidding projects;Labor dispatch;Import and export,Agent import and export,Technology Import and Export.(After receiving this license,You should go to the Housing and Urban-Rural Development Department to obtain an administrative permit,File with the Commerce Commission.;Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

China National Petroleum Corporation (CNPC) is an integrated international energy company. Based in China, we have oil and gas assets and interests in over 30 countries in Africa, Central Asia-Russia, South America, the Middle East and the Asia-Pacific. CNPC is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction, with businesses covering petroleum exploration & production, natural gas & pipelines, refining & marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance and insurance services. - Crude output: 110.33 million tons per year - Natural gas output: 79.86 billion cubic meters per year - Crude oil production: 53% of China's total - Natural gas production: 74% of China's total - Crude runs: 147.16 million tons per year - Domestic service stations: 19,840 - Domestic pipelines: 66,801 kilometers, including 16,369 kilometers for crude oil (nearly 67% of China's total), 40,995 kilometers for natural gas (77% of China's total) and 9,437 kilometers for refined products ( 48% of China's total) - Providing oilfield services and engineering construction in 63 countries around the world.

M-I LLC engages in the provision of drilling and completion fluid services. It supplies fluids and additives to oil and gas companies. The firm also offers pressure control, rig instrumentation, and drilling waste management products and services. The company is headquartered in Houston, TX.

Sinopec Shengli Petroleum Engineering Co., Ltd., established on 2012-12-20, Business scope includes general items:Oil and Gas Technical Services;Engineering technical service(planning management,survey,design,Except supervision);marine services;Solid Waste Treatment;Earthwork construction;Loading and unloading;General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval);Manufacture of special equipment for oil drilling;Sales of special equipment for oil drilling;electrical equipment repair;General equipment manufacturing(Does not include special equipment manufacturing);General Equipment Repair;Machinery sales;General machinery and equipment installation services;Machinery and Equipment Leasing;Mechanical Parts,Parts processing;Mechanical Parts,Parts sales;Instrument Manufacturing;Instrument sales;Instrument Repair;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);Digital Video Surveillance System Manufacturing;Digital Video Surveillance System Sales;business training(Does not include education and training,Vocational skills training and other licensed training);Safety technical training for special operators;Experiential development activities and planning;Bidding agency service;Information system operation and maintenance services;Information Technology Consulting Services;software development;Advertising Design,acting;advertisement making;office services;Conference and Exhibition Services;Educational Consulting Services(Education and training activities that do not include licensing approval);Security Consulting Services;Foreign contracted projects[Branch operation];property management;Landscaping engineering construction;Unit logistics management service;Non-residential real estate leases;internet sales(Except for products that require a license for sale);Manufacturing of daily chemical products;Sales of daily chemical products;Manufacture of wire rope and its products;Sales of metal wire rope and its products;Security equipment manufacturing;Security equipment sales;Metal Material Sales;Lubricant sales;Sales of generators and generator sets;Metal Structure Sales;Sales of renewable resources[Branch operation];car used car sales[Branch operation];Import and export[Branch operation];Import and export agency[Branch operation];Technology Import and Export[Branch operation].(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:offshore oil extraction[Branch operation];Offshore Gas Extraction[Branch operation];road freight transport(Does not contain dangerous goods)[Branch operation];General cargo transportation by water[Branch operation];Construction engineering design[Branch operation];port operation[Branch operation];Labor dispatch service;Inspection and testing service[Branch operation];crew,pilot training[Branch operation];Construction Engineering Survey[Branch operation];building demolition work(Except for blasting operations)[Branch operation];Electrical Installation Services[Branch operation];Power supply business[Branch operation];food sales[Branch operation];Catering Services[Branch operation];accommodation service[Branch operation].(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

HD Hyundai Heavy Industries Co., Ltd. engages in the manufacture and sale of marine structures, plants, and engines. It operates through the following businesses: Shipbuilding, Naval and Special Ships, Offshore and Industrial Plant Engineering, and Engine and Machinery. The company was founded on June 1, 2019 and is headquartered in Ulsan, South Korea.

China National Offshore Oil Corporation, or CNOOC Group, is a major national oil company in China. It is the third-largest national oil company in the People's Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China. The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas. The Group’s core operation areas are Bohai, Western South China Sea, Eastern South China Sea and East China Sea in offshore China. Overseas, the Group has oil and gas assets in Asia, Africa, North America, South America, Oceania and Europe. As at 31 December 2015, the Group owned net proved reserves of approximately 4.32 billion BOE, and its average daily net production was 1,358,022 BOE (unless otherwise stated, all amounts of reserve and production in this report include our interests in equity method investees). The Group had total assets of approximately RMB664.4 billion.

Itrec BV, a subsidiary of Ace Innovation Holding BV, is a Dutch company located in Schiedam that provides engineering services.

Part of Nabors Industries Ltd., Nabors Corporate Services, Inc. is an American company located in Houston, TX. The firm provides drilling services.

Sinopec East China Petroleum Engineering Co., Ltd., established on 2012-12-21, Scope of business includes drilling,Logging,Mud logging,Perforation,Cementing,orientation,Drilling,Pre-drilling,salvage,drilling fluid,Oilfield Chemicals,Well control,top drive,pipe,Casing,Completion,test oil,gas test,acidification,fracture,coiled tubing,well test,Workover,test,ground metering,water blocking,Gas injection and other petroleum engineering technical services and technical consultation;Technical extension services;Wellbore Engineering Design,construction,Technical Services;Wellbore Engineering Technology Research;Petroleum Engineering Equipment,pipe,mechanical processing,repair and maintenance;Machinery and Equipment Leasing;Petroleum Engineering Technology Research;for land,Provide technology for offshore oil and gas extraction,Labor service;Information system design,integrated,Operation and Maintenance;Data Processing and Storage Services;Electronic equipment production,repair,Sales;network engineering,Information Technology Consulting;Building intelligent engineering construction;Geological Comprehensive Research on Petroleum and Other Mineral Resources;Reservoir Characterization Research and Development;Environmental Pollution Control;Environmental Engineering,Construction and operation of energy-saving projects;Car rental;General cargo handling;camping house manufacturing,Sales and Repair;food,Department store retail;graphic production,print;property management;General storage;Housekeeping;account Serive;Ticket agent;Petroleum Engineering Supervision;Sales of machinery and equipment;Energy and Mineral Geological Exploration,Solid Mineral Geological Exploration;Geological Exploration Technical Services;Contract overseas petroleum projects,natural gas engineering,Road construction,Steel structure engineering,Implementation and subcontracting of electric power engineering and domestic international bidding projects;Self-operated or agent import and export business of various commodities and technologies related to the above business;Household appliances sales and repair services;Provide labor services.(road general cargo transportation,Dedicated transport of goods(tank),Transportation of large objects(one type),Class II Auto Repair(truck);Dinner service.The licensed branches within the brackets are allowed to operate).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

CNOOC Energy Technology & Services Ltd. engages in provision of energy technology services, floating production storage and offloading (FPSO) production technology services, energy logistics services, safety, environmental protection and energy saving products and services. It operates through the following segments: energy technology services, FPSO production technology services, energy logistics services, safety, environmental protection, and energy saving. The Energy Technology Services segment provides equipment operation and maintenance, pipeline technology, engineering technology, and data information technical services. The FPSO Production Technology Service segment offers light boat services; ships and support personnel boat services; and comprehensive services such as FPSO construction, commissioning, management, towing, installation, and unloading services. The Energy Logistics Services segment focuses on providing logistics support for offshore oil and gas field exploitation through marine supplies and catering services, and assistance for oil and gas products distribution. The Safety, Environmental Protection and Energy Saving Services segment covers marine oil spill response services; industrial water treatment; human resources and training services; utilization of coatings and marine industrial protection, catalyst, and liquefied natural gas cold energy; and energy saving and environmental testing services. The company was founded on February 22, 2005 and is headquartered in Beijing, China.

CNPC Bohai Drilling Engineering Co. Ltd. is a company headquartered in Tianjin, China and ultimately controlled by the Government of China. The firm engages in drilling of oil and gas wells.

Sinopec Shengli Petroleum Engineering Co., Ltd. Drilling Technology Research Institute, established on 2013-01-25, Business scope includes wellbore engineering technology research and test development;drilling,Completion,Workover,Offshore oil engineering equipment,Information Engineering,Technology development of computer software,design,Serve,transfer,External contracting of the above-mentioned engineering services;Integrated Reservoir Technical Services;Waste recycling and pollutant treatment(Does not contain dangerous goods);drilling bit,tool,measuring instrument,Drilling fluid additives,Mining machinery and accessories,Production, sales and testing of superhard materials and scientific research pilot production pieces(Does not contain dangerous goods);equipment,pipe,Mechanical Repair and Maintenance;Machinery and Equipment Leasing;Road Freight Operation;Oil and Gas Engineering Consulting,Design and service;Equipment testing technology research and development and service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

CNPC Xibu Drilling Engineering Co., Ltd. is a Chinese company located in Urumqi and ultimately controlled by the Government of China. The firm offers petroleum engineering services.

Schlumberger Norge AS provides oil and gas extraction services. The firm also offers oil exploration and drilling services. The company was founded on December 7, 1993 and is headquartered in Tananger, Norway.

Part of Schlumberger NV, Schlumberger Technologies, Inc. is a company headquartered in Moorestown, NJ, that provides oilfield services such as distributing oil and gas information technologies and providing consulting services.

CNOOC China Ltd. produces oil and gas in China. It provides prospecting, refinement and processing, and sale of offshore oil and natural gas products. The company also offers offshore petroleum exploration, development, production, and sales. CNOOC China was founded in 1999 and is headquartered in Beijing, China.

Wuxi General Machinery Factory Co., Ltd., established on 1985-06-24, Business scope includes environmental protection water treatment equipment,Manufacture of grinding machines and separating machinery,Processing and installation;Self-operated import and export business of various commodities and technologies,Except for commodities and technologies that are restricted by the state to be operated by enterprises or prohibited from import and export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)