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.

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.

CNOOC Research Institute Co., Ltd., established on 2000-03-02, Business scope includes chemical products;Oil and Gas Exploration,development project,Drilling Engineering,Oil and gas field surface engineering,Pipeline Engineering,Oil and gas depot engineering,Oil and gas processing engineering,Oil and gas field chemical industry and comprehensive utilization engineering,New energy engineering design and related technology research;Environmental Impact Assessment of Petroleum Development Projects,Project economic evaluation and project management related to the above business;Import and export business;technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;selling computers,Software and Auxiliary Equipment,Equipment,hardware products;Machinery and Equipment Leasing.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Sales of chemical products and 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 industrial policies of the state and this city.)

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.

Technip France SA provides technological and engineering services. It offers supply of equipment, construction and project management solutions. The company was founded in 1958 and is headquartered in Courbevoie, France.

Equinor Energy AS drives exploration and extraction, transportation, processing, and marketing of petroleum and derivative products. It provides crude and petroleum refining services. The firm also offers financial assistance to other group companies, including silent guarantees, acting as collateral for debt obligations or loan facilities. The company was founded on February 1, 2007 and is headquartered in Stavanger, Norway.

Energy Capital Management AS is an Independent Venture Capital firm founded in 2000. Energy Capital Management AS is headquartered in Oslo.

Offshore Oil Engineering Co., Ltd. engages in the provision of offshore engineering services. It offers services for oil and gas companies developing offshore oil and gas resources, including engineering design, supplies procurement, onshore manufacturing, marine transport and offshore installation, subsea pipeline laying, commissioning, delivery, and maintenance. The company was founded on April 20, 2000 and is headquartered in Tianjin, China.

Chevron, Inc. manufactures towing and recovery equipment. Its products include fuels and stations, gift and credit cards and motor oils and fuel & additives. The company was founded in 1969 and is headquartered in Mercer, PA.

Heilongjiang Kuangcai Technology Co., Ltd., established on 2021-01-14, Business scope includes general items:Natural science research and experimental development;Engineering and Technology Research and Experimental Development;Research and development of marine engineering equipment;Integrated circuit chip design and service;New material technology research and development;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Sealant manufacturing;Ocean Engineering Equipment Manufacturing;Manufacturing of offshore engineering platform equipment;Ocean energy system and equipment manufacturing;Ocean energy generator set manufacturing;Marine environmental monitoring and detection equipment sales;IoT device manufacturing;Internet of Things Technology Services;Internet of things technology research and development;IoT application service;Information Security Equipment Manufacturing;IoT Device Sales;Manufacturing of industrial control computers and systems;Industrial automatic control system device sales;Information system integration service;Artificial intelligence application software development;Information Technology Consulting Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Manufactures chemicals

COOEC Subsea Technology Co., Ltd. is a company headquartered in Shenzhen, China and ultimately controlled by the Government of China, that provides offshore engineering construction services.

Hydril USA Manufacturing LLC is an American private company that manufactures rubber automotive products.

Remedial (Cyprus) PCL builds elevating support vessel well intervention and construction support units. It operates these vessels for petroleum operating companies and others worldwide through its wholly owned subsidiary Remedial Offshore Limited. The firm brings capabilities to install, repair, restore or rejuvenate offshore wells and facilities for oil and gas operators worldwide. The company was founded by Richard A. Altman in 2005 and is headquartered in Limassol, Cyprus.

Devon Energy Corporation is a company engaged in hydrocarbon exploration in the United States. It is organized in Delaware and headquartered in the 50-story Devon Energy Center in Oklahoma City, Oklahoma. Its operations are in the Barnett Shale, STACK Formation in Oklahoma, Delaware Basin, Eagle Ford Group shale, and the Rocky Mountains.

CRUXOCM enables the autonomous control room of tomorrow, operating within the safety constraints of today. RIPA (Robotic Industrial Process Automation) for control room operators of major energy assets.

CNOOC Energy Development Equipment Technology Co., Ltd., established on 2014-03-19, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information system integration service;software development;Development of key supporting systems for marine engineering;Mechanical equipment research and development;General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Manufacturing of offshore engineering platform equipment;Ocean Engineering Equipment Manufacturing;Deep sea oil drilling equipment manufacturing;Manufacture of special equipment for oil drilling;Shipbuilding;refinery,Manufacture of special equipment for chemical production;General valve and cock manufacturing(Does not include special equipment manufacturing);Fabrication of Metal Structures;metal tool making;Manufacturing of hardware products;Mechanical and electrical equipment manufacturing;Ocean energy system and equipment manufacturing;Manufacture of special equipment for environmental protection;Manufacture of power distribution switch control equipment;Marine supporting equipment manufacturing;Manufacturing of electronic components and electromechanical components;Pump and vacuum equipment manufacturing;Manufacturing of underwater systems and operating equipment;ship repair;Instrument Repair;electrical equipment repair;General Equipment Repair;Special Equipment Repair;electronic,Mechanical equipment maintenance(No special equipment);Professional cleaning,to clean,Disinfection service;General machinery and equipment installation services;Offshore wind power related system research and development;Engineering Management Services;Foreign contracted projects;Ocean engineering equipment sales;Sales of special equipment for oil drilling;Deep sea oil drilling equipment sales;Sales of subsea systems and work equipment;Special Equipment Sales;Special equipment rental;Sales of electrical machinery and equipment;Machinery sales.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Various construction activities;Construction engineering design;Special Equipment Design;Special equipment manufacturing;Installation, modification and repair of special equipment;Power facility installation,undertook,Take the test;construction professional work;Technology Import and Export;Import and export;Import and export agency.(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)