| Noble Drilling Corporation - Offshore productiopn Company |
| Friede Goldman Halter, Inc. - provides conversion, retrofit and repair services for offshore drilling rigs, including jackups, submersibles, semisubmersibles and drillships |
| Bassoe Offshore - rig brokers and market intelligence for the offshore drilling industry. |
| Sundowner Offshore Services, Inc. - - provides well servicing, drilling, workover, completion, and plug services |
| Jindal Drilling & Industries Ltd. - offshore drilling for oil & gas, exploration and development and other related services. |
| Falcon offshore - consultants for electrical, mechanical, and subsea drilling. |
| Canadian Association of Oilwell Drilling Contractors (CAODC) - land-based and offshore, service rig contractors and associate companies. |
| LeTourneau, Inc. - manufacturing front-end loaders, log stackers and self-elevating mobile offshore drilling rigs. |
| Amercable, Inc. - manufacturer of jacketed electrical cable for mining, shipboard, offshore drilling and production platforms and transportation. |
| Rowan Companies, Inc. - Rowan Companies, Inc. is a major international offshore and land drilling contractor |
| ENSCO International Incorporated - offshore oil and gas drilling contractor. |
| LHR Services - providing safety supplies and equipment for the offshore oil and gas drilling industry. |
| Cirrius Software - provides software engineering services to various industries including manufacturing, off-shore drilling, construction, and financial services. |
| Gulf Island Fabrication, Inc. - fabricator of offshore drilling and production platforms and other specialized structures used in the development and production of offshore oil and gas reserves. |
| Crest Petroleum - oil and gas well drilling offshore construction company. |
| OmixAsia.com - OmixAsia.com aims to be the premier B2B e-marketplace for the marine, offshore, oil & gas industries in Asia |
| BHP - BHP is a leading global resources company with operations and offices in 70 countries. Its inventory of high quality assets and its unique combination of skills make it a significant player in the world's mining, steel and energy industries. |
| BHP Petroleum - BHP Petroleum is an international oil and gas exploration and production company. |
| Black Hills Exploration and Production - Black Hills Exploration and Production (formerly Western Production Company) is an oil and gas exploration and production company. |
| Black Star Oil Company - Exploration, Production, Prospects, Operations, Geological/Geophysical, Engineering, Land |
| Bligh Oil & Minerals N.L - Bligh is an Australian listed oil and gas exploration company with production in New Zealand, and exploration and drilling activity in Australia, Tunisia, Papua New Guinea, New Zealand and Tanzania |
| Blue Dolphin Energy Company - The company is engaged in the exploration, acquisition, development and operation of oil and gas properties, oil and gas transportation, processing and marketing. |
| British Petroleum Company - BP and Amoco have merged to form one of the world's leading providers of energy and petrochemicals. |
| BXL Energy Ltd. - The company is engaged in the acquisition, exploration, development, and production of oil and gas reserves in Calgary, Alberta, Canada. |
| Callon Petroleum Company - Callon Petroleum Company deals with exploration, development, acquisition and operation of oil and gas properties. |
| Canadian Occidental Petroleum Ltd. - CanadianOxy’s core business activities include the exploration, development, production and marketing of crude oil and natural gas. |
| Cardinal Resources, Inc. - Oil and gas exploration and coal-bed methane development opportunities for industry partners in Chile, South America operatated by Cardinal Resources, Inc. |
| Carnarvon Petroleum NL - Carnarvon Petroleum NL is an oil and gas exploration company committed to its exploration joint ventures in the Carnarvon & Perth Basins in Western Australia and the Papuan Basin in Papua New Guinea |
| Chauvco Resources International - Chauvco Resources International deals with the exploration and production of oil and gas. |
| Chevron Corporation - Company involved in every aspect of the industry, from exploration and production to transportation, refining and retail marketing, and including chemicals manufacturing and sales. |
| China National Petroleum Corporation - Chinese state-owned corporation operating in upstream and downstream, domestic and foreign trade, and production and marketing. |
| Conoco Indonesia Inc. - A fully integrated energy company, it is involved in every aspect of the oil and gas industry, including worldwide exploration, production, transportation, marketing, refining and power. |
| Consolidated Natural Gas Company - One of the nation's largest independent exploration and production operations, the nation's fifth largest natural gas utility system, an interstate natural gas pipeline network and a rapidly growing energy mass-marketer. |
| Curlew Lake Resources Inc. - Curlew Lake Resources Inc. is an independent oil and gas exploration, development and production company. |