Allis-Chalmers Energy, Inc. provides services and equipment to the oil and natural gas exploration and development companies in Texas, Louisiana, New Mexico, Colorado, Oklahoma, Wyoming, Mississippi, Utah, Arkansas, Alabama, and West Virginia; offshore in the Gulf of Mexico; and Argentina and Mexico. The.. Read More

ATP Oil & Gas Corporation engages in the acquisition, development, and production of oil and natural gas properties in the Gulf of Mexico, the Dutch Sectors of the North Sea, and the United Kingdom. As of December 31, 2007, the company had leasehold and other interests in 76 offshore blocks, 40 platforms, and 127.. Read More

Atwood Oceanics, Inc., together with its subsidiaries, engages in the offshore drilling and completion of exploratory and developmental oil and gas wells worldwide. It also provides related support, management, and consulting services. The company offers various rigs, such as semisubmersible rigs, semisubmersible.. Read More

Blue Dolphin Energy Company, through its subsidiaries, engages in the provision of pipeline transportation and related services for producers/shippers, and exploration and production of oil and gas in the United States. Its pipeline transportation and related services include the operation of the Blue Dolphin.. Read More

Callon Petroleum Company engages in the exploration, development, acquisition, and production of oil and gas properties. Its properties are primarily located in Louisiana and offshore Gulf of Mexico. The company owns interests in Entrada, Garden Banks Blocks; Medusa, Mississippi Canyon Blocks; and Habanero,.. Read More

Cheniere Energy, Inc., through its subsidiaries, engages in the development, construction, ownership, and operation of onshore liquefied natural gas (LNG) receiving terminals and natural gas pipelines along the Gulf Coast of the United States. It develops LNG receiving terminal projects on Sabine Pass LNG in.. Read More

Comstock Resources, Inc. engages in the acquisition, exploration, development, and production of oil and natural gas in the United States. It has onshore operations in the east Texas, north Louisiana, and south Texas regions, as well as in Mississippi, New Mexico, Kentucky, Oklahoma, Kansas, and the Mid-Continent.. Read More

Contango Oil & Gas Company engages in the exploration, development, production, and acquisition of oil and natural gas liquids primarily offshore in the Gulf of Mexico. The company also holds interests in an alternative energy company. It has alliance with Juneau Exploration, L.P. for assembling natural gas and.. Read More

Enbridge, Inc. engages in the transportation and distribution of crude oil and natural gas. The company’s Liquids Pipelines segment operates the petroleum mainline system and feeder pipelines that transport crude oil and natural gas liquids in Canada and the United States. Its Gas Pipelines segment holds.. Read More

Energy Partners, Ltd. engages in the exploration and production of oil and natural gas in the United States. It primarily focuses on the areas of Gulf of Mexico Shelf and the deepwater Gulf of Mexico, as well as the Gulf Coast onshore region. As of December 31, 2007, the company had interests in 24 producing.. Read More

Enterprise Products Partners L.P., a midstream energy company, provides services to producers and consumers of natural gas, natural gas liquids (NGL), crude oil, and petrochemicals in North America, the continental United States, and Gulf of Mexico. It operates in four segments: NGL Pipelines & Services, Onshore.. Read More

Gateway Energy Corporation owns and operates natural gas gathering, transportation, and distributions systems in Texas, Texas state waters, and in the federal waters of the Gulf of Mexico off the Texas and Louisiana coasts. It gathers offshore wellhead natural gas production and liquid hydrocarbons from.. Read More

Global Industries, Ltd. and its subsidiaries provide various construction and support services to the offshore oil and gas industry in the United States Gulf of Mexico, Latin America, West Africa, the Middle East, and Asia Pacific/India regions. Its services include pipeline construction, platform installation.. Read More

Gulf Island Fabrication, Inc., through its subsidiaries, operates as a fabricator of offshore drilling and production platforms, and various specialized structures used in the development and production of offshore oil and gas reserves. The company fabricates various structures, including the jackets and deck.. Read More

Helix Energy Solutions Group, Inc. operates as an offshore energy company. It provides development solutions and various other contracting services to the energy market, as well as to its oil and gas operations properties. The company offers a range of contracting services in the shallow water and deepwater.. Read More

Horizon Offshore, Inc., together with its subsidiaries, provides marine construction services for the offshore oil and gas and energy industries. The company's services include lying, burying, or repairing marine pipelines; providing hook-up and commissioning services; installing offshore production platforms and.. Read More

Hornbeck Offshore Services, Inc., through its subsidiaries, provides offshore supply vessels (OSVs) to the offshore oil and gas exploration and production industry. It operates in two segments, OSV, and Tug and Tank Barge. The OSV segment operates OSVs in the United States Gulf of Mexico, Trinidad, and Mexico, as.. Read More

K-Sea Transportation Partners L.P. provides marine transportation, distribution, and logistics services for refined petroleum products in the United States. As of September 1, 2008, it operated a fleet of 74 tank barges and 66 tugboats, which serves various customers, including oil companies, oil traders, and.. Read More

Marine Petroleum Trust, through its subsidiary, Marine Petroleum Corporation, operates as a royalty trust in the United States. It holds a 0.0075 overriding royalty interest in oil, natural gas, and other mineral leasehold interests located in the Gulf of Mexico acquired by Chevron U.S.A., Inc. The company,.. Read More

Maverick Oil and Gas, Inc., an independent energy company, engages in the exploration, exploitation, development, and production of oil and gas properties in the United States. It holds interest in the Fayetteville Shale project located in Woodruff County, Arkansas. The company was incorporated in 2002 and is.. Read More

McMoRan Exploration Co. engages in the exploration, development, production, and marketing of crude oil and natural gas offshore in the Gulf of Mexico and onshore in the Gulf Coast area. As of December 31, 2007, it owned or controlled interests in approximately 603 oil and gas leases in the Gulf of Mexico, and.. Read More

MDU Resources Group, Inc. operates as a natural resource company in the United States. Its Electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming. The company’s Natural Gas Distribution segment distributes natural gas in Montana, North Dakota, South.. Read More

Newfield Exploration Company, an independent oil and gas company, engages in the exploration, development, and acquisition of natural gas and crude oil properties primarily in the United States. As of December 31, 2007, it owned interests in approximately 750,000 gross acres and 2,600 gross producing wells in.. Read More

Nexen, Inc. operates as an energy and chemicals company. The company engages in the exploration, development, and production of crude oil and natural gas in western Canada, the United States Gulf of Mexico, Yemen, the North Sea, offshore west Africa, Colombia, and Australia. It also produces synthetic crude oil.. Read More

Noble Energy, Inc., through its subsidiaries, engages in the exploration, development, production, and marketing of crude oil and natural gas in the United States and internationally. It has operations in Colorado’s Wattenberg field and Piceance basin, the Mid-continent area of western Oklahoma and the Texas.. Read More

Omega Protein Corporation engages in the processing, marketing, and distribution of fish meal and fish oil products. It produces and sells various protein and oil products derived from menhaden, a species of wild herring-like fish found along the Gulf of Mexico and Atlantic coasts. The company’s fish meal.. Read More

OMNI Energy Services Corp. provides integrated oilfield services primarily to oil and gas companies operating in the Gulf of Mexico. It operates through five divisions: Seismic Drilling, Transportation Services, Environmental Services, Equipment Leasing, and Other Services. The Seismic Drilling division provides.. Read More

Pogo Producing Company is engaged in oil and gas exploration, development, acquisition and production activities on its properties located offshore in the Gulf of Mexico; onshore in selected areas, including Texas, New Mexico, Wyoming and Louisiana, and internationally, primarily in the Gulf of Thailand and in.. Read More

Parker Drilling Company, through its subsidiaries, provides land and offshore contract drilling and drilling-related services to oil and gas companies in the United States and internationally. As of December 31, 2007, its fleet of rigs consisted of 8 land rigs in the Commonwealth of Independent States; 9 land.. Read More

Patterson-UTI Energy, Inc., together with its subsidiaries, provides onshore contract drilling services to independent oil and natural gas operators in North America. It provides pressure pumping services consisting of well stimulation and cementing for completion of new wells and remedial work on existing wells.. Read More

Petsec Energy Ltd (Petsec) is an independent oil and gas exploration and production company operating primarily in the shallow waters of the Gulf of Mexico, United States and in the Beibu Gulf, offshore China. Petsec's wholly owned subsidiary, Petsec Energy Inc., conducts the Company's oil and gas exploration.. Read More

PHI, Inc. provides helicopter transportation and related services primarily in the Gulf of Mexico. It operates in three segments: Oil and Gas, Air Medical, and Technical Services. The Oil and Gas segment provides helicopter services for the transportation of personnel and equipment, to transport personnel during.. Read More

PrimeEnergy Corporation, through its subsidiaries, engages in the acquisition, exploration, development, and production of crude oil and natural gas. Its activities include the development and exploratory drilling, as well as the acquisition of producing oil and gas properties through joint ventures with industry.. Read More

Rowan Companies, Inc. provides a range of onshore and offshore contract drilling services in the United States and internationally. The company’s drilling operations are conducted primarily in the Gulf of Mexico, the Middle East, the North Sea, Trinidad, and offshore eastern Canada, as well as in western Africa.. Read More

RPC, Inc., an oil and gas services company, provides various oilfield services and equipment to the oil and gas companies. It operates in two segments, Technical Services and Support Services. The Technical Services segment offers pressure pumping, snubbing, coiled tubing, nitrogen pumping, well control.. Read More

Santos Limited is an energy company engaged in oil and gas exploration and production with interests in Australian petroleum provinces. The Company's base business is a majority working interest in the Cooper/Eromanga Basins oil and gas fields located in central Australia. Santos produces gas, ethane and oil and.. Read More

SEACOR Holdings, Inc. engages in owning, operating, investing, and marketing equipments for the offshore oil and gas, and marine transportation industries worldwide. The company’s Offshore Marine Services segment operates support vessels to deliver cargo and personnel to offshore installations; to handle anchors.. Read More

St. Mary Land & Exploration Company and its subsidiaries engage in the exploration, exploitation, development, acquisition, and production of natural gas and crude oil in the United States. It primarily operates in the ArkLaTex, the Mid-Continent, the Gulf Coast, the Permian, and the Rocky Mountain regions. The.. Read More

Stone Energy Corporation engages in the acquisition, exploration, development, operation, and production of oil and gas properties located in the Gulf of Mexico, the Rocky Mountain Basins, and the Williston Basin in the United States. It also involves in an exploratory joint venture in Bohai Bay, the People’s.. Read More

Superior Energy Services, Inc. provides oilfield services and equipment to serve drilling and production-related needs of oil and gas companies primarily in the United States. The company operates in four segments: Well Intervention Services, Rental Tools, Marine Services, and Oil and Gas Operations. The Well.. Read More

TETRA Technologies, Inc., together with its subsidiaries, operates as an oil and gas services and production company worldwide. It manufactures calcium chloride and brominated products, as well as supplies feedstocks to the energy markets. The company operates through three divisions; Fluids, Well Abandonment and.. Read More

The St. Joe Company, together with its subsidiaries, operates as a real estate development company in Florida. The company operates through four segments: Residential Real Estate, Commercial Real Estate, Rural Land Sales, and Forestry. The Residential Real Estate segment develops large-scale, mixed-use resort,.. Read More

Tidelands Royalty Trust “B” operates as a royalty trust. It engages in the administration and liquidation of rights to interests in oil, natural gas, or other mineral leases obtained by Chevron U.S.A., Inc. in a designated area of the Gulf of Mexico. The company, through its wholly-owned subsidiary, Tidelands.. Read More

Tidewater, Inc., through its subsidiaries, provides offshore supply vessels and marine support services to the offshore energy industry through the operation of fleet of offshore marine service vessels. It offers services to support various phases of offshore exploration, development, and production, including.. Read More

Transocean, Inc., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells. It offers deepwater and harsh environment drilling services; oil and gas drilling management services; and drilling engineering and project management services, as well as involves in oil and gas.. Read More

W&T Offshore, Inc., together with its subsidiaries, engages in the acquisition, exploitation, exploration, production, and development of oil and natural gas properties in the Gulf of Mexico area. It has interests in approximately 155 producing fields in federal and state waters; leases covering approximately 1.7.. Read More

The Williams Companies, Inc., through its subsidiaries, engages in the production, gathering, processing, and transportation of natural gas in the United States. The company operates through four segments: Exploration and Production, Gas Pipeline, Midstream Gas and Liquids, and Gas Marketing Services. The.. Read More

Zapata Corporation does not have significant operations. It intends to acquire one or more operating businesses. Previously, the company operated as a processor, marketer, and distributor of fish meal and fish oil products in the United States, as well as a supplier of automotive airbag fabric and cushions, and.. Read More