Ingrain is a provider of digital rock characterization services for the upstream oil and gas industry. With specialized expertise in shale and complex conventional rock formations, Ingrain's advanced technology services determine a full suite of petrophysical and multi-scale pore system properties to provide unique reservoir insight and help geoscientists and reservoir engineers find and develop their most productive rock.

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.

Sinopec Corp. Shengli Oilfield Branch Exploration and Development Research Institute, established on 2006-03-22, Business scope includes printing of internal materials and publications(The validity period is subject to the license);Geological Exploration Deployment,Development program preparation,Analytical Experimental Technology,oil and gas exploration,development plan,resource evaluation,Modern well testing technology,Computer Application and Software Development,Technology information,file service,Maintenance of precision instruments,mapping,Technical Services,to develop,consult,transfer.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Taisei Corporation (大成建設株式会社 Taisei Kensetsu Kabushiki-gaisha) (TYO: 1801) is a Japanese corporation founded in 1873. Its main areas of business are building construction, civil engineering, and real estate development. Taisei's headquarters are located at Shinjuku Center Building in Nishi-Shinjuku, Shinjuku, Tokyo.

Schlumberger Technology BV, a subsidiary of Schlumberger NV, is a Dutch company located in The Hague. The firm provides gas and oil exploration services.

Korea Institute of Geoscience & Mineral Resources is a South Korean private company that provides geoscience research services.

CNPC Chuanqing Drilling Engineering Co., Ltd., established on 2008-07-18, Business scope includes general items:Engineering and Technology Research and Experimental Development;Mineral dressing;Engage in investment activities with own funds;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering technical service(planning management,survey,design,Except supervision);Oil and Gas Technical Services;Industrial Internet Data Service;data processing services;Data processing and storage support services;software development;Information system operation and maintenance services;Information Technology Consulting Services;Resource recycling technology research and development;Soil Pollution Control and Restoration Services;Environmental emergency management service;Environmental Protection Monitoring;Eco-environmental material manufacturing[Branch operation];Water Environment Pollution Prevention and Control Services;Atmospheric Environmental Pollution Prevention and Control Services;Soil Environmental Pollution Prevention and Control Services;Solid Waste Treatment;Import and export;Import and export agency;Technology Import and Export;Foreign contracted projects;Refined oil wholesale(Free of Hazardous Chemicals);Lubricant sales;Chemical product sales(No licensed chemical products);Sales of office equipment consumables;Fire Equipment Sales;Sales of labor protection products;Auto New Car Sales;Machinery sales;Mechanical Parts,Parts sales;Sales of special equipment for oil drilling;Special Equipment Sales;Petroleum product sales(Free of Hazardous Chemicals);electronics sales;internet sales(Except for products that require a license for sale);software sales;Auto Parts Retail;sales agent;Information security equipment sales;Security equipment sales;Catering Management;Land use right lease;housing lease;Non-residential real estate leases;Machinery and Equipment Leasing;Small and mini bus rental business service;emergency services;Safety technical training for special operators;business training(Does not include education and training,Vocational skills training and other licensed training);Unit logistics management service;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals)[Branch operation];Manufacture of non-metallic mineral products[Branch operation];R&D of metal products;General equipment manufacturing(Does not include special equipment manufacturing)[Branch operation];Manufacturing of special equipment(Manufacture of licensed professional equipment not included)[Branch operation];Instrument Manufacturing[Branch operation];Metalwork Repair;Mechanical equipment research and development;General Equipment Repair;Domestic Freight Forwarding;Domestic container cargo transportation agency;Loading and unloading;Storage equipment rental service;Operation of Road Freight Transport Station;International Freight Forwarding;Environmental protection special equipment sales;property management;Motor Vehicle Repair and Maintenance(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Indoor environment detection;accommodation service;Catering Services;Gas operation;Water production and supply;road freight transport(Does not contain dangerous goods);Construction Engineering Construction(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).

China Railway Urban Construction Group Co., Ltd. is a company headquartered in China ultimately controlled by the Government of China that provides civil contracting services.

Jizhong Energy Fengfeng Group Co., Ltd. operates as a coal wholesaler. It engages in coal mining and washing, coal preparation engineering, technical services and consulting, coal preparation, plant operation management, and sales of coke and coking and coal chemical products. The company was founded on July 18, 2003 and is headquartered Handan, China.

DigiM Solution provides microstructure imaging and image-based analytic solutions for the pharmaceutical industry.

Elf Aquitaine was a French oil company which merged with TotalFina to form TotalFinaElf. The new company changed its name to Total in 2003. Elf has been maintained as a major brand of Total.

China Petrochemical Corporation (Sinopec Group) is a super-large petroleum and petrochemical enterprise group, established in July 1998 on the basis of the former China Petrochemical Corporation. Sinopec Group is a state-owned company solely invested by the state, functioning as a state-authorized investment organization in which the state holds the controlling share. Headquartered in Beijing, Sinopec Group has a registered capital of RMB 231.6 billion. The board chairman of Sinopec Group is its legal representative. Sinopec Group executes the investor rights over related state assets owned by its full subsidiaries, controlled companies and share-holding companies. These rights include receiving returns on assets, making major decisions and appointing management teams. The Group operates, manages and supervises state assets according to related laws, and shoulders the corresponding responsibility of maintaining and increasing the value of state assets. China Petroleum and Chemical Company (Sinopec Corp.), controlled by Sinopec Group, issued H-shares and A-shares at overseas and home respectively in October 2000 and August 2001 and was listed on stock markets in Hong Kong, New York, London and Shanghai. Sinopec Group’s key business activities include: industrial investment and investment management; the exploration, production, storage and transportation (including pipeline transportation), marketing and comprehensive utilization of oil and natural gas; the production, marketing, storage and transportation of coal; oil refining; the storage, transportation ,wholesale and retail of oil products; the production, marketing, storage, transportation of petrochemicals, natural gas chemicals, coal chemicals and other chemical products; the exploration, design, consulting, construction and installation of petroleum and petrochemical engineering projects; the overhaul and maintenance of petroleum and petrochemical equipments; the research and development, manufacturing and marketing of electrical and mechanical equipments; the production and marketing of electricity, steam, water and industrial gas; the research, development, application and consulting services of technology, e-business, information and alternative energy products; the import and export of self-support and agent commodity and technology; foreign project contracting, invite bidding, labor export; the international storage and logistics business. Sinopec Group ranked the 3rd in the Fortune Global 500 in 2014.

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.

Groundswell Environmental is an Environmental Services company located in Pleasantville, New Jersey, United States.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

Anhui Construction Engineering Quality Supervision and Inspection Station Co., Ltd., established on 2006-03-27, Business scope includes licensed projects:Quality inspection of construction projects;Water Conservancy Engineering Quality Inspection;Indoor environment detection;Lightning protection device detection;Inspection and testing service;Construction Engineering Survey;Mapping service;Safety Evaluation Business;Forensic identification service;Inspection and testing of special equipment;Occupational Health Technical Services;Safety production inspection and testing;Quality and safety inspection of agricultural products(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)General project:Highway and Waterway Engineering Test and Inspection Service;Fire technical service;Engineering cost consulting business;Engineering and Technology Research and Experimental Development;Water Environment Pollution Prevention and Control Services;Metering technical service;Municipal facilities management;water pollution control;business training(Does not include education and training,Vocational skills training and other licensed training);Ecological resource monitoring;Noise and Vibration Control Services;Engineering Management Services;Information Technology Consulting Services;Environmental Protection Monitoring(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

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.

Heilongjiang Rongze Petroleum Equipment Co., Ltd., established on 2015-08-28, The business scope includes special equipment for oil drilling and production,Instrumentation,Power distribution or electrical control equipment and components,Motors and electronic control equipment,water treatment equipment,Environmental protection equipment manufacturing;Technical development of special equipment for oil drilling,consult,Promotion service;Cathodic protection system technology development,consult,Promotion service;Energy saving and environmental protection technology,biotechnology development,consult,Promotion service;Anti-corrosion and thermal insulation engineering services;sewage,Sludge Treatment Technical Services;Mechanical equipment professional cleaning service;Oilfield Technical Consulting Services;Urban public buildings and facilities cleaning services;automobile parts,computer;Software and Auxiliary Equipment,lubricating oil(Small Package),Chemical Products(Free of Hazardous Chemicals,precursor chemicals,highly toxic chemicals,Explosive Hazardous Chemicals)Sales;Civil Engineering Services;Public Safety Testing Service;Loading and unloading;Technical services for downhole operations in oil production plants;Application software development and management;communication technology development,consult,comminicate,Promotion service;Instrument Technology Development,consult,comminicate,Promotion service;Oilfield Technology Development,consult,comminicate,Promotion service;Security Monitoring Equipment;Manufacturing of electronic components and assemblies;Industrial automatic control system equipment,communication terminal equipment(Does not include satellite TV broadcast ground receiving facilities),Manufacturing of Power Electronic Components(Do not engage in business activities of projects prohibited and restricted by national industrial policies);Electrical Installation;General Equipment Repair;Instrument Repair;Special Equipment Repair;Information system integration service;Mechanical and Electrical Equipment Installation Services;Skid-mounted sewage sludge harmless treatment equipment and technical services;Industrial Robot Manufacturing;Intelligent Unmanned Aerial Vehicle Manufacturing,Sales,repair,Technical Services(prohibited by the state,Except for restrictions);Edge Computing Technology Development,consultation service.