- Royal Dutch/Shell Group of Companies
 - Global energy producer that explores for, produces, and markets oil, natural gas, and chemicals. - BP
- Involved in the exploration and production of crude oil and natural gas and the manufacturing and marketing of petrochemicals.
- Chevron
- With sections covering fuels and motor oil, customer services, products, and more.
- Texaco
- Engages in worldwide exploration for and production, transportation, refining, and marketing of crude oil, natural gas, and petroleum products.
- Mobil
- With information on products and services for consumers, businesses, and resellers.
- ExxonMobil Corporation
- Engaged in the exploration, production, manufacture, transportation, and sale of crude oil, natural gas, and petroleum products.
- Petrobras
- Involved in the exploration, production, refining, retailing, and transportation of oil and its byproducts.
- Eni
- Operating in the oil, natural gas, power generation and petrochemicals industries as well as oilfield services and engineering.
- Statoil
- Integrated oil and gas producer based in Norway.
- Gazprom
- Extracts gas, develops new fields, and builds pipelines.
- ConocoPhillips
- Integrated energy company engaged in the exploration, production, refining, processing, and marketing of petroleum and natural gas.
- China Petroleum and Chemical Corporation (Sinopec)
- Engages in petroleum refining and the manufacturing of petrochemicals, synthetic fibres, and chemical fertilizers.
- ChevronTexaco
- Global energy company engaged in oil and gas exploration and production; refining, marketing, and transportation; chemicals manufacturing and sales; and power generation.
- Marathon Oil
- Engaged in the worldwide exploration, production, and transportation of crude oil and natural gas.
- Phillips Petroleum
- Explores and produces crude oil, natural gas, and liquids, gathers, processes, and markets natural gas produced by others, refines and transports petroleum products, and manufactures petroleum-based chemical products.
- Conoco
- Specialises in the exploration, production, refining, and marketing of petroleum products.
- Petróleos Mexicanos (Pemex)
- Hess Corporation
- Engaged in the exploration for and the production, purchase, transportation, and sale of crude oil and natural gas, as well as refined petroleum products.
- Petro-Canada
- Integrated oil and gas company.
- Unocal
- Produces and sells crude oil, natural gas, and geothermal energy, and manufactures and sells petroleum fuels and lubricants, fertilizers, and speciality minerals.
- CITGO Petroleum Corp.
- Company news and press releases from CITGO. Open a CITGO Plus account and find rebate forms for your Supergard and Mystik purchases.
- Baker Hughes
- Provider of drilling, formation evaluation, completion, and production products and services to the worldwide oil and gas industry.
- Occidental Petroleum
- Engages in exploration, development, and marketing of crude oil and gas, and manufactures and markets basic chemicals, polymers, and plastics.
- Petróleos de Venezuela SA
- State-owned PDVSA conducts oil and natural gas exploration, production, refining, and marketing.
- Valero Energy
- Diversified energy company engaged in the production, transportation, and marketing of clean-burning fuels and natural gas.
- Williams Companies
- Moves, manages, and markets a variety of energy products, including natural gas, liquid hydrocarbons, petroleum, and electricity.
- Japan Energy Corp
- Integrated energy supplier, with petroleum operations extending from exploration and development to refining and marketing.
- Saudi Aramco
- Produces, manufactures, markets and ships crude oil, natural gas and petroleum products, and engages in refining and marketing joint ventures worldwide.
- LUKOIL
- Russian oil producer with reserves located primarily in western Siberia.
- PetroChina
- Engaged in petroleum-related activities including crude oil, natural gas, and chemical production.
- Sunoco
- Manufactures and markets petroleum products that include Sunoco gasoline, heating oil, lubricants, and petrochemicals.
- Lyondell Chemical Company
- Manufacturer and marketer of basic chemicals and polymers.
- Enbridge
- Engaged in the transportation of liquid hydrocarbons and distribution of natural gas.
- Total SA
- Engaged in the exploration, production, refining, marketing, and trading of oil, natural, and gas products.
- EnCana Corporation
- Independent natural gas producer and gas storage operator.
- Digital Oilfield
- Web-based technology for the energy industry, including OpenInvoice, an application that automates the invoice generation and approval process.
- Talisman Energy
- Internationally diversified oil and gas producer.
- Devon Energy
- Engaged in oil and gas exploration, production, and property acquisitions.
- Kerr-McGee Corporation
- Energy and inorganic chemical company with worldwide operations.
- Sinopec Shanghai Petrochemical Co.
- Processes crude oil into products, including synthetic fibres, resins and plastics, intermediate petrochemicals, and petroleum products.
- YUKOS
- Oil and gas company headquartered in Moscow, Russia.
- PTT Public Company Limited
- Fully integrated gas company and state enterprise under the supervision of the Ministry of Industry.
- Pilot Corporation
- Operates gas stations and convenience stores across the U.S.
- Imperial Oil
- Producer of crude oil in Canada and refiner and marketer of petroleum products.
- Abu Dhabi National Oil Company (ADNOC)
- Exploration, processing, construction, and exports in the oil and gas industry.
- BJ Services Company
- Provider of pressure pumping and other oilfield services to the petroleum industry.
- Tosco
- Refiner and marketer of petroleum products.
- Nexen
- Oil and gas exploration and production company.
- Burlington Resources
- Engaged in the exploration, development, production, and marketing of oil and gas.
- OAO Tatneft
- Producer of crude oil.
- Parker Drilling Company
- Provides land contract drilling services to firms in the oil and gas industry.
- Repsol YPF
- Engaged in the exploration, development, and production of oil and natural gas.
- Woodside Petroleum
- Operates Australian North West Shelf Gas energy project, and produces a range of oil and gas products.
- pennNET
- Focusing on developing vertical portals (vortals) for critical global markets, specialising in oil and gas industries.
- Ecopetrol
- National oil company.
- Kuwait National Petroleum Company
- Oil & Natural Gas Corporation Ltd. (ONGC)
- Engaged in hydrocarbon exploration and production and offers related R&D services.
- Sibneft
- Explores, produces, refines, distributes, and markets oil and refined products.
- Black Hills Corporation
- Diversified holding company with fuel production, energy marketing, and power generation operations.
- Irving Oil Limited
- Syncrude Canada Ltd.
- Producer of blended crude oil.
- Ziff Energy Group
- Offers a combination of corporate, natural gas strategies and regulatory support for Canadian, American, and international energy companies and government agencies.
- Canadian Natural Resources Limited
- Senior independent oil and natural gas exploration, development, and production company with operations in Western Canada, the North Sea, and offshore West Africa.
- Roxar
- Provides software, consulting services, and equipment to the upstream oil and gas industry, including reservoir modelling and stochastic simulation, downhole monitoring and flow measurement, and field planning and reservoir optimisation technology.
- Qatar Petroleum
- National corporation completely owned by the State of Qatar. Responsible for all oil and gas industry processes in Qatar, including exploration, production, refining, transport, distribution, and export.
- Shell Oil Company
- Holding company whose subsidiaries explore, develop, produce, purchase, transport, and market crude oil and natural gas in the United States.
- Giant Industries Inc.
- Oil and gas refiner and distributor, with gas stations throughout the Southwestern U.S.
- Hyundai Oil Bank
- Supplier of various types of petroleum products in Asia.
- Caltex
- Markets petroleum and convenience products in the Asia-Pacific region, Africa, and the Middle East.
- Louisiana Mid-Continent Oil and Gas Association
- Historical, statistical, environmental and legislative information about oil and gas in Louisiana and the Gulf of Mexico.
- Oil Price Information Service (OPIS)
- News and prices for petroleum products, feedstocks, naphtha, petrochemicals, pipeline rates, transportation, truckstop guides, natural gas, gas liquids, and jet fuel.
- API
- Energy, oil trading, refinery, petroleum engineering, gasoline distribution.
- Blue Dolphin Energy
- Engaged in the acquisition and development of oil and gas properties and the gathering and transportation of natural gas and condensate.
- Sonatrach
- Algerian oil and gas company.
- Tesoro Petroleum
- Refiner and marketer of petroleum products.
- Western States Petroleum Assoc
- WSPA represents companies which account for most of the exploration, production, refining, transportation and marketing of petroleum and petroleum products in six Western states.
- World Fuel Services Corporation
- Markets aviation and marine fuel products and related risk management, logistics, and services.
- Petroleum Development Corporation
- Explores for, develops and produces oil and gas primarily in the Appalachian Basin area of West Virginia, Tennessee, Pennsylvania and Ohio.
- Pioneer Natural Resources
- Independent exploration and production company with reserves in the United States, Canada, Argentina, and Africa.
- EOG Resources, Inc.
- Independent oil and gas company.
- Pertamina (Persero)
- Indonesia's state-owned petroleum supply company.
- Energen
- Diversified energy company with businesses in natural gas distribution and oil and gas exploration and production.
- Husky Oil@
- Newfield Exploration Company
- Explores, develops, and acquires oil and gas properties principally in the Gulf of Mexico.
- Slovene Oil Company
- Getty Petroleum Marketing, Inc.
- Marketers and distributors of petroleum products.
- Forest Oil Corporation
- Engaged in the exploration, acquisition, development, production, and marketing of natural gas and crude oil.
- ARCO Gas
- Provides station locator, online application for fleet and pre-paid gas cards, and more.
- Santos
- Engages in oil and gas exploration and production.
- Hi-Lo Flare Systems and Services (UK) Ltd.
- Specialises in environmental friendly gas flaring and landfill, petrochemical, oil and mine field degassing.
- Linpro Petroleum Services Limited
- Provides oil companies, environmental consulting firms, and the private sector with a range of contracting services.
- Berry Petroleum
- Independent oil and gas production and exploration company.
- Denbury Resources Inc.
- Oil and gas exploration, acquisition, development, and production company.
- Geoservices
- International oil and gas service company proposing mud logging, well testing, well intervention, field surveillance, and production facilities.
- Swift Energy Company
- Natural gas and oil company engaged in the development, exploration, acquisition, and operation of oil and gas properties, with a focus on onshore and inland water areas of the Texas and Louisiana Gulf Coast, and on New Zealand's Taranaki Basin onshore areas.
- Environmental BioTechnologies, Inc.
- Providing services for the petroleum industry including bioremediation, prospecting and enhanced oil waste recovery using microbial processes.
- St. Mary Land & Exploration Company
- Engaged in the exploration, development, acquisition, and production of natural gas and crude oil in the United States.
- IndigoPool.com
- Premier Oil
- Gas and oil company with exploration and production interests in the U.K., Indonesia, and Pakistan.
- Enerplus Group
- Invests in mature crude oil and natural gas producing properties located primarily in western Canada.
- Holly Corporation
- Is engaged, through its affiliates (Navajo Refining Company and Montana Refining Company), in the refining, transportation, terminalling and marketing of petroleum products.
- Statia Terminals
- Provides transshipment, storage, blending, and bunkering services to the petroleum industry.
- Western Petroleum Company
- Independently owned petroleum marketing company, providing gasoline fuels, propane, aviation fuels, and natural gas.
- Frontier Oil
- Independent oil refining and marketing company whose gasoline, diesel, and asphalt products are marketed in the Rocky Mountain and Plains States.
- Bongaigaon Refinery & Petrochemicals Limited (BRPL)
- Offers a range of petroleum and petrochemical products.
- Callon Petroleum Company
- Exploration, development, acquisition and operation of oil and gas properties. Primary focus is the Gulf Coast region of the United States.
- Enterprise Oil
- Crude oil and natural gas exploration and production company.
- Hindustan Petroleum Corp Limited
- Patterson-UTI Energy
- Provider of onshore contract drilling services to exploration and production companies in North America.
- Energy Asia Network
- Monthly publication dedicated to the oil and petroleum industry in Singapore and Asia.
- Magnum Hunter Resources
- Independent oil and gas producer with interests in Texas, Oklahoma, New Mexico, Louisiana, Arkansas, and the shallow Gulf of Mexico.
- Olis
- Gas station chain throughout Iceland (in Icelandic).
- Helmerich & Payne
- Engaged in contract drilling and oil and gas exploration and production.
- Noble Energy
- Provides independent oil and gas exploration and development.
- Oil India Limited
- Engaged in exploration, production, and transportation of crude oil and natural gas resources.
- Alliance Engineering Inc.
- Providing engineering and project services to support energy companies in the safe and efficient development and transmission of oil and gas resources.
- Petrosilicon
- Features industry news, products, services, resources, and membership directory.
- Pogo Producing Company
- Engages in oil and gas exploration, development, acquisition, and production activities.
- Quicksilver Resources
- Gas and oil exploration and production.
- Cross Timbers Oil Company
- Oil and natural gas producers.
- Abraxas Petroleum Corporation
- Integrated energy company that acquires producing properties, explores for and produces crude oil and natural gas.
- Edge Petroleum Corporation
- Independent energy company focusing on natural gas exploration by applying advanced 3D seismic data integration and visualisation techniques.
- EMK3
- Online marketplace for buying and selling lease oil and natural gas production directly at the well.
- Petro Kazakhstan
- International energy corporation engaged in the exploration, development, production, acquisition, refining, and marketing of oil and refined products in Kazakhstan.
- PrimeWest Energy Trust
- Actively acquires, develops, produces, and sells natural gas, crude oil, and natural gas liquids.
- Enbridge Energy Partners
- Transports crude oil and natural gas liquids to refineries in the midwestern United States and eastern Canada.
- OPET Petroleum A.S.
- Distributor of fuel, manufacturer of automotive lubricants, industrial greases, and car care products (in English and Turkish).
- Unit Corporation
- Diversified energy company involved in oil and natural gas exploration and production.
- Canadian Superior Energy
- Oil and gas exploration and production company with holdings in offshore Nova Scotia.
- Premcor
- Independent refiner of gasoline, diesel, and aviation fuel.
- Austral Pacific Energy
- Independent oil and gas exploration and production company, operating exclusively in the Australia-Pacific region.
- Harvest Natural Resources
- Independent energy company engaged in the exploration, development, and production of oil and gas properties.
- Credo Petroleum Corporation
- Explores for, purchases, develops, produces, and sells crude oil and natural gas.
- Comstock Resources
- Independent energy company engaged in oil and gas acquisitions, exploration, and development primarily in Texas, Louisiana, and the Gulf of Mexico.
- InterOil Corporation
- Focused on the development of an oil refinery in Papua New Guinea (PNG).
- PanCanadian Energy
- Produces and markets crude oil, natural gas, and natural gas liquids.
- Equity Oil Company
- PAZ
- Oil & gas company in Israel.
- Gulf Canada Resources
- Explores for, develops, produces, and markets conventional, heavy and synthetic crude oil, natural gas liquids, and natural gas.
- JP Oil Company, Inc.
- Independent oil and gas producer with properties throughout North America.
- Emerald Energy
- United Kingdom-based company engaged in exploration and production of hydrocarbons in Colombia.
- Global Petroleum Corp.
- Roc Oil Company (ROC)
- Operates onshore and offshore oil exploration and production worldwide.
- Pembina Pipeline Income Fund
- Generates stable cash distributions for Unitholders from a pipeline transportation network.
- Tom Brown
- Engaged in the exploration, development, acquisition, production, and marketing of natural gas, natural gas liquids, and crude oil.
- Calfrac Well Services Ltd.
- Supplies oil and gas exploration companies with acidizing, hydraulic fracturing, coiled tubing, nitrogen, and CO2 drilling and completion services.
- Niko Resources Ltd.
- Hunting PLC
- Through its subsidiaries, provides oil field services, energy marketing and transportation, ship brokerage, oil and gas exploration, and petrochemical equipment.
- Carroll Independent Fuel
- Providing fuel for industrial, commercial, and residential customers.
- Ultrapar Participações
- Distributor of liquefied petroleum gas in Brazil and producer of petrochemicals and chemical products.
- Vaalco Energy
- Independent energy company engaged in the acquisition, exploration, development, and production of crude oil and natural gas.
- Gleaner Oil & Gas
- Distributes oil and LP gas products to commercial and residential customers in Scotland.
- North Coast Energy
- Natural gas and oil company engaged in exploration, development, and production activities primarily in the Appalachian and Illinois Basins.
- Indian Oil Corporation Limited
- Under the administrative control of the Ministry of Petroleum and Natural Gas, Government of India.
- Entrerra Energy
- Oil and gas exploration and development in Western Canada.
- GMX Resources
- Independent oil and gas producer.
- Lundin Petroleum
- Swedish company with oil exploration, development, and production around the world.
- K2 Energy Corporation
- Emerging junior oil and gas exploration and production company.
- Lennart Hojer AB
- Manufacturer of fuel additives.
- Wiser Oil Company
- Site provides current financial data, company history, and information on areas of operation.
- Central Petroleum Company
- Offers a wide range of speciality oils.
- Prima Energy Corporation
- Engaged in the exploration for, acquisition, development, and production of, crude oil and natural gas.
- SPM
- Manufactures and distributes oilfield equipment including flow control products (swivel joints; plug, relief, check, and butterfly valves; unions; and piping), and well service pumps.
- Freehold Royalty Trust
- A closed-end investment trust which receives and distributes royalty income from a diversified asset base of oil and gas properties across western Canada.
- Royalty Purchaser
- Purchaser of gas, oil, and mineral rights from estates and individuals.
- ABB Lummus Global
- Provides process licenses and EPC services to the oil and gas, petroleum refining, and petrochemical process industries.
- Cherrington Corporation
- Originators of horizontal directional drilling (HDD).
- Interline Resources Corporation
- Specialises in used oil recycling and natural gas gathering, fractionating, and transportation.
- Chesapeake Energy Corporation
- Engaged in the exploration and production of oil and natural gas.
- Akzo Nobel Catalysts
- Supplies catalysts, technologies and related services to the oil refining and petrochemical industries.
- Albina Family of Companies
- Provider of fuels, lubricants, asphalt products, and fuel management systems.
- Montello, Inc.
- Provides mud system additives to combat problems in drilling wells, and chemicals as rheology modifiers, surfactants, and emulsifiers in food and industrial applications.
- Scott Pickford Group
- Providing reservoir management solutions.
- BlackRock Ventures
- Junior oil company focused on the exploration, development, and production of heavy oil in western Canada.
- Hycal Energy Research Laboratories Ltd.
- Reservoir engineering laboratory focussed on optimizing reservoir production through advanced technologies.
- OLCO Petroleum Group Inc.
- Markets refined products and blends of gasoline.
- D and L Energy, Inc.
- Independent natural gas and oil exploration, production, and marketing group that produces wells in Ohio and Pennsylvania.
- Cheyenne Services Inc.
- An oil field service company serving the petroleum industry and specialising in running and inspecting oilfield tubulars.
- Carpenter Pacific Resources
- Involved in the upstream oil and gas industry specifically aiming at production or near production opportunities and advanced exploration opportunities.
- Empire Energy
- Oil and gas exploration investment company.
- Pacific Pride Fuel Network
- Membership club offering offering petroleum and lubricants to commercial vehicles at over 1,000 stations in the U.S. and Canada.
- TBC-Brinadd
- Specialises in creating drilling fluid systems and additives for demanding well conditions.
- Cherne Contracting Corporation
- Heavy industrial contractor focusing in the petro-chemical and power industries. Services include civil, mechanical, and electrical engineering, and instrumentation.
- Pro-Tech Solutions, Inc.
- Helps oil and gas processing/refining/productions facilities maximize the use of internal resources to meet the requirements of process safety management and company policies.
- ISL
- Services, training, and products concerning automatic petroleum testing laboratory analysers.
- Raptor Capital Corporation
- Information on corporate strategy focusing on acquisition of oil and gas properties.
- Newstar Resources
- Oil and gas exploration and production company selling directly into the Eastern and Midwestern markets.
- International Fuel Technologies
- Produces proprietary fuels using a precombustion treatment system.
- Desire Petroleum PLC
- U.K. company exploring for oil and gas in the Falkland Islands and Portugal.
- Madrona Energy
- Oil and gas royalty buyer and provider of petroleum management services. Madrona Energy buys oil and gas royalty interests from estates and individuals across the United States.
- Upton Resources Inc.
- Oil exploration, development and production company with principal operations in southeast Saskatchewan.
- American International Industries
- Investment company with holdings in industry, finance, real estate, media/communication, and oil & gas.
- Gulf Atlantic Drilling
- Specialising in Monitor well and Recovery well installation, direct push soil sampling and large diameter installations.
- OSCA
- Oilfield service, product, and equipment company providing engineered well completion services to the oil and gas industry.
- Contango Oil & Gas Company
- Explores and acquires oil and gas properties primarily in the onshore Gulf Coast and offshore Gulf of Mexico.
- Renkert Oil, Inc.
- Offering a selection of petroleum products, including plasticizers, paraffinic oils, aromatic oils, processing aids, and ParaLux.
- Flying Star Transport
- Trucking liquid cargos such as gasoline, diesel, or aviation fuels from the source of supply to the end user in Texas, Oklahoma, New Mexico, Kansas, Colorado, Missouri, and Arkansas.
- Soloco
- Upstream oilfield and environmental construction contractor. Specialising in temporary and portable roads.
- Midcoast Energy Resources
- Phenix Group, The
- Diversified company with interest in oil and gas, telecommunications, energy, transportation, mineral exploration/development, timber, and tourism within Latin America.
- Fuelman of Michigan
- Nationwide commercial fueling network of thousands of convenient fueling locations linked by an electronic purchasing, management, and reporting system.
- Kildair Service Ltd
- Manufacturing, sale and distribution of marine residual fuels.
- Tricat Industries, Inc.
- Regeneration and resale of spent petroleum refinery catalysts.
- Carolina International Sales Co.
- A petrochemical firm specialising in distribution, import/export, manufacturing, reclamation and environmental management.
- Solv-Ex Corporation
- Developing the Alberta, Canada, oil sands reserves.
- Veritas Associates
- Oil services company offering drilling rig inspections, management audits, and drilling efficiency programmes.
- Clean Fuels
- Providing decontamination, maintenance and compliance/certification services for fuel storage tanks.
- Cleansorb Limited
- Manufacturing an acidizing chemical which improves the extraction rate of oil and gas wells.
- RAM Energy
- Independent gas producer which acquires and develops diversified gas reserves, primarily located in the Mid-Continent Area or Permian Basin.
- Barrows Company
- Legal reference services for aspects of international oil and gas regulations and contracts.
- Futura Petroleum
- Markets and distributes fuels low in benzene, sulpher and aromatic molecules.
- Oil Lease Buyers
- Consulting, valuation, and purchase of oil, gas, and mineral royalty interests in North America.
- Mayco WellChem, Inc.
- Manufacturing polymer additives and systems for petroleum drilling, workovers and completions.
- Hallmark Technical Services
- Supplies a casing and tubular related support system to the oil and gas industry.
- Certified Oil
- Ohio based company supplying gasoline and services in Ohio, Kentucky, and West Virginia.
- Custom Industrial Automation
- Coke drum inspection service for the refining industry.
- GeoDiamond
- Tamilnadu Petroproducts
- Offering petrochemicals and petro-extracts.
- Nowsco Well Service Ltd.
- IOR Energy
- Specialises in oil exploration, production, and services, including the supply and installation of process equipment for the petroleum and refining industries.
- Pure Resources
- Independent exploration and production company that develops and produces oil and natural gas throughout the United States.
- CanWest Gas Supply Inc.
- A gas market aggregator offering a range of services, marketing gas to downstream markets in Canada and the United States.
- Langham Oil Conferences
- Specialist in organising conferences for the oil industry.
- Delta Seaboard Well Service, Inc
- Performing plug, abandonment and workover services in Southeast Texas, Louisiana, Mississippi and Alabama.
- Black Bart Data Company
- Provides information on owners of oil and gas properties, including royalty, override, and working interests.
- Texas Aromatics
- Petrochemical marketing company specialising in aromatics, olefins, heavy fuels, and gasoline blendstocks. Based in Houston, Texas.
- Precision Well Testing Company
- Providing equipment and personnel to assist in reservoir evaluation and testing.
- BITOR
- Produces Orimulsion a clean burn conventional fossil fuel.
- MK Tech Solutions, Inc.
- Provides services for in situ and ex situ waste remediation, as well as thermally enhanced oil and miscible oil recovery.
- EMTEC
- Offers diesel fuel additives, cold flow improvers, and oil, refinery, and petroleum additive chemistry for marine, railroad, mining, and trucking fuels
- Multi-Fluid
- Manufacturers of high accuracy microwave based meters for measuring multiphase flow and water cut for the petroleum industry.
- BCI
- Supplier of oil and gas well drilling mud additives and fluids.
- Mesquite Oil Tools, Inc.
- Oilfield service company.
- Nippon Oil Corporation
- Japanese petroleum company engaging in exploring, importing, and refining crude oil. Also manufactures and markets petroleum products including fuels and lubricants.
- Oil & Gas Electronic Directory
- Oil & Gas products and services in the petroleum and chemical industry, view Russian and Chinese brochures to assist engineers and geoscientists in frontier exploration and production
- Andorra Petroleum Co
- Providing safe, clean energy to the global markets.
- PUMPandTANK.com
- Online equipment sales for service stations and fueling fleets.
- SGS Redwood Services
- Providing inspection and control services to the petroleum and petrochemicals industries.
- Oil and Gas India
- News website covering oil and gas activities in India, including onshore and offshore oil and gas exploration, production operations, service companies, employment,s new products, and related events in India.
- Universal Water Finder
- Offers a product which detects the presence of water and water/alcohol additives in gasoline and other petroleum based products.
- Walton Construction Company
- Specialises in any oilfield construction, pipelining, maintenance, or installation.
- Austvik Ole Gunnar Energy
- REgroup
- Purchaser of mineral rights producing oil and gas royalties in Texas and the rest of the United States. REgroup buys oil and gas royalty interests from individuals and estates.
- Taurus Corporation, The
- Buys oil and gas royalties and mineral interests throughout the United States.
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