Saudi Arabian Oil Co. is engages in the production, transportation, and sale of energy and chemicals. It also offers prospecting, exploring, drilling, extracting, processing, manufacturing, refining and marketing hydrocarbon substances. The company operates through the following segments: Upstream, Downstream, and Corporate. The Upstream segment consists of exploring for, developing and producing crude oil, natural gas and natural gas liquids exploration, field development and production. The Downstream segment includes refining and petrochemical manufacturing, supply and trading, distribution and power generation, logistics, and marketing of crude oil and related services to international and domestic customers. The Corporate segment refers supporting services including human resources, finance and IT not allocated to Upstream and Downstream. Saudi Arabian Oil was founded on May 29, 1933 and is headquartered in Dhahran, Saudi Arabia.

Shandong Bai20 Huitong Engineering Technology Co., Ltd., established on 2021-12-31, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering Management Services;Technology intermediary service;Engineering and Technology Research and Experimental Development;Special Equipment Sales;Manufacture of new building materials(Free of Hazardous Chemicals);Emerging energy technology research and development;software development;Information system operation and maintenance services;Sales of building materials;Engineering technical service(planning management,survey,design,Except supervision);Artificial intelligence general application system;Mechanical equipment research and development;Sales of special instruments for geological exploration and seismic;Manufacture of special instruments for geological exploration and seismic;Machinery sales;Electrical Equipment Sales;Geological Exploration Technical Services;Intelligent Instrument Manufacturing;Smart Instrument Sales;Contract Energy Management;Sales of Class II Medical Devices;Sales of Class I Medical Devices;Environmental protection special equipment sales;Manufacture of special equipment for environmental protection;Sales of electronic special equipment;Electronic special equipment manufacturing;Indoor Air Pollution Control;Geological disaster management service.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Geological disaster control engineering survey;Construction Engineering Survey;Quality inspection of construction projects;Cultural relics protection engineering survey;Power generation business,Transmission business,for(match)Electric business;Construction Engineering Construction;Class III medical device business;Construction of geological disaster control engineering;Construction labor subcontracting.(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)

Hunan Jishan High-tech Co., Ltd., established on 2000-03-20, The business scope includes electronic instruments,Instrumentation,Electrical technology research and development;Electronic equipment,Electronics and Accessories,robot,computer,computer aids,computer software,Data center product and system sales;Instrument wholesale,After-sales service;robot,software,Geographic Information Software Development;Special Instruments,Special equipment for geological exploration,Manufacturing of electroacoustic devices and parts;Production of electronic instruments;Mechanical and electrical equipment leasing and after-sales service;Information system integration service;Electronic and intelligent engineering professional contracting;Engineering survey and design;Engineering technical service;Internet of Things Technology Services;Electronic Equipment Engineering,Monitoring system engineering installation service;Operation and maintenance service;Organization of training events;Information Technology Consulting Services;Intelligent technical service;Computer Network System Engineering Services;Building equipment automatic control system engineering services;Broadcasting System Engineering Services;Smart City Related Services;Design of Security Technology Defense System,construction,repair;Lightning protection engineering professional construction;Integrated wiring;Geological Prospecting;Basic geological technology consultation and service;Petroleum Technical Services;Ancillary activities such as oil and gas exploration;Introduce new technology,New varieties,Carry out technical training,Technical exchange and consulting services;Conference Services;Construction and management of industrial parks and supporting facilities;Realtor;Intelligent installation engineering service;Self-operated and agent import and export of various commodities and technologies,Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Do not engage in unauthorizedP2Ponline loan,Equity crowdfunding,internet insurance,Asset management and cross-border finance,Third party payment,virtual currency transaction,ICO,Internet financial services such as illegal foreign exchange)

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.

Ontash & Ermac is a developer and distributor of spectral induced polarization equipment for laboratories and boreholes. Their products include lab spectral induced polarization, portable SIP switch unit, PSIP stimulus switch, PSIP stimulus amplifier, and PSIP stimulus switch.

Shell Oil Company is the United States-based wholly owned subsidiary of Royal Dutch Shell, transnational corporation "oil major" of Anglo-Dutch origins, which is amongst the largest oil companies in the world. Approximately 80,000 Shell employees are based in the U.S. The U.S. headquarters are in Houston, Texas. The current president is Bruce Culpepper, a graduate of the University of Alabama. Shell Oil Company, including its consolidated companies and its share in equity companies, is one of America's largest oil and natural gas producers, natural gas marketers, gasoline marketers and petrochemical manufacturers.

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

Wuhan Changsheng Coal Safety Technology Co., Ltd., established on 2011-02-22, Business scope includes coal mines,Mine environmental safety inspection,Monitoring Technology Development,Transfer and Consulting Services,engineering exploration,detection,Monitoring Technology Development,transfer,consultation service;Instrumentation and software development,Production,Sales,Import and export trade of related equipment and software(Technology and goods prohibited by the state from import and export are excluded).(Projects with special national regulations shall be operated within the approved period after approval or with a license)

China Petroleum Logging Co. Ltd. is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that provides wellbore technical services includes logging, cable completion logging, engineering logging, perforating, testing and related services.

Mobil Corp. operates primarily in the petroleum industry. The company is headquartered in The Woodlands, TX.

Shell Canada LTD is an energy company with products in the water, gas, and oil industries. The company helps build a sustainable energy future, using advanced technologies and an innovative approach. Its powering Progress outlines its strategy for accelerating its company's transition to zero-emissions operations. It is intended to generate value for shareholders, customers, and society as a whole.

QinetiQ Ltd. provides technical, engineering, and research services for defense and security problems. It offers products and services for air, cyber, maritime, robotics, space, land, training, weapons, advisory systems, and target systems. The company was founded in June 2001 and is headquartered in Farnborough, the United Kingdom.

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

Langfang Lifu Geological Exploration Technology Co., Ltd., established on 2008-07-14, The scope of business includes research and development of underground resource exploration technology,Serve;Instrument development and sales;Electronic equipment,Instrumentation,Construction machinery and equipment rental;Sales:Electronic equipment,Exploration and mining equipment,engineering equipment,Ordinary machinery,office equipment,Daily necessities,Pre-packaged food,bulk food,Healthy food,agricultural products.

BGP, Inc. offers geophysical survey and other services. The main business of BGP includes onshore, offshore, TZ seismic data acquisition; seismic data processing and interpretation; reservoir geophysics; borehole seismic surveys and micro-seismic; geophysical research and software development; GME and geo-chemical surveys; geophysical equipment manufacturing and multi-client services. The company was founded in 2002 and is headquartered in Zhuozhou, China.

Oxford Instruments NanoTechnology Tools Ltd., part of Oxford Instruments Plc, is a company headquartered in Abingdon, UK. The firm manufactures electronic measuring and testing equipment. It was founded in 1961.