Schlumberger Limited (Schlumberger) is an oilfield service company supplying a range of technology services and solutions to the international petroleum industry. It consists of two business segments: Schlumberger Oilfield Services, which is an oilfield services company supplying a range... more

Halliburton Company provides a variety of services and products to customers in the energy industry. The Company operates under two divisions: the Completion and Production segment, and the Drilling and Evaluation segment. It offers a suite of services and products to customers through... more

VECO provides services to the energy, resource and process industries and to the public sector throughout the world. Incorporating more than 30 years of experience, extensive resources and top-notch personnel, VECO uses a solution-oriented and cost-conscious approach to expertly manage... more

Transocean Inc. is the world's largest offshore drilling contractor with more than 160 full or partially owned and managed mobile offshore drilling units, inland drilling barges and other assets utilized in the support of offshore drilling activities worldwide. The company's mobile... more

Baker Hughes Incorporated (Baker Hughes) is engaged in the oilfield services industry. The Company is a supplier of products, and technology services and systems to the worldwide oil and natural gas industry, including products and services for drilling, formation evaluation, completion... more

Weatherford International Ltd. is a provider of equipment and services used for the drilling, evaluation, completion, production and intervention of oil and natural gas wells. The Company operates in approximately 100 countries through approximately 800 service, sales and manufacturing... more

Piedmont Natural Gas Company, Inc. (Piedmont) is an energy services company primarily engaged in the distribution of natural gas to over one million residential, commercial and industrial customers in portions of North Carolina, South Carolina and Tennessee, including 62,000 customers... more

Wood Group Gas Turbine Services is a leading world-wide independent provider of maintenance, repair and overhaul services for gas turbines, steam turbines, generators, and other high-speed rotating equipment, including pumps and compressors. The company also repairs gas turbine... more

GlobalSantaFe is a leader in the contract drilling industry, representing a powerful balance of geographic reach, technologically advanced equipment, highly experienced personnel, a quality client base, and a strong balance sheet. We strive to maintain an injury-free workplace, to... more

Cal Dive has provided manned diving services on the Gulf of Mexico Outer Continental Shelf (OCS) since 1975. With recent acquisitions of certain assets from Acergy and Torch, Inc. in 2005, and Horizon Offshore in 2007, Cal Dive has grown into one of the largest marine diving contracting... more

McDermott International, Inc. is an engineering and construction company with specialty manufacturing and service capabilities and is the parent company of the McDermott group of companies, including J. Ray McDermott, S.A. (JRMSA) and The Babcock & Wilcox Company (B&W). The Company... more

Varco International, Inc. has pioneered innovative technologies and services that improve oilfield performance for nearly a century. Varco is an industry leader in manufacturing and supplying advanced drilling equipment and rig instrumentation, oilfield tubular inspections and internal... more

Nabors Industries Ltd. (Nabors) is a land drilling contractor with approximately 535 land drilling rigs. The Company conducts oil, gas and geothermal land drilling operations in the United States Lower 48 states, Alaska, Canada, South America, Mexico, the Caribbean, the Middle East, the... more

Willbros Group, Inc. (Willbros) is an independent international contractor serving the oil, gas and power industries and government entities worldwide. It provides engineering; construction; engineering, procurement and construction (EPC), and specialty services to industry and... more

BJ Services Company is a provider of pressure pumping and oilfield services for the petroleum industry. The Company conducts its operations through four segments: U.S./Mexico Pressure Pumping Services, International Pressure Pumping Services, Canada Pressure Pumping Services and Oilfield... more

Expro Group Integrated Services Ltd (EGIS) is a global provider of Well Operations and Well Technology services to the upstream oil and gas industry. As part of the Expro Group, EGIS is differentiated from its competitors by the quality of its staff, unique and proprietary software and... more

Ensco International Incorporated is an international offshore contract drilling company. Its operations consist of one segment: contract drilling services. The Company engages in the drilling of offshore oil and gas wells in domestic and international markets by providing its drilling... more

Harsco Corporation is a diversified, multinational provider of industrial services and engineered products. The Company’s operations fall into two segments: Access Services and Mill Services, and an all other category labeled Minerals & Rail Services and Products. The Company has... more

Dalkia is an energy services company based in France with two shareholders: Veolia Environnement (66%) and EDF (34%).

Furmanite Corporation, formerly Xanser Corporation, provides specialized technical services, including leak sealing and hot tapping under pressure, onsite machining, heat treatment, valve testing and repair and other engineering products and services. Furmanite provides these services... more

National Oilwell Varco, Inc. is a provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry. It has three segments: Rig Technology, Petroleum Services &... more

Rowan Companies, Inc. (Rowan) is a provider of international and domestic contract drilling services. Rowan also owns and operates a manufacturing division that produces equipment for the drilling, mining and timber industries. Rowan has three operating segments: the contract drilling of... more

Input/Output Inc. (NYSE:IO) is the world's leading, technology-only seismic services provider. The company provides cutting-edge seismic acquisition equipment, software, and planning and seismic processing services to the global oil and gas industry. The company's technologies are applied... more

Precision Drilling Trust (the Trust) is an open-ended investment trust. The Trust holds a 99.86% interest in Precision Drilling Limited Partnership (PDLP), which is a limited partnership. On November 7, 2005, Precision Drilling Corporation (Precision) became a wholly owned subsidiary of... more

Seitel Inc. is a leading provider of seismic data and related geophysical expertise to the petroleum industry. An industry veteran of (20 years), Seitel has emerged as an end-to-end solutions company comprised of several wholly owned subsidiaries.

With more than a century of experience, VetcoGray is one of the leading suppliers of innovative and cost effective products and services to the global upstream oil and gas industry. VetcoGray provides reliable and field-proven products, systems and solutions for drilling and production,... more

PGS Onshore is a business unit of Petroleum Geo-Services (www.pgs.com), a technology-focused oilfield service company providing geophysical and reservoir services for the oil and gas industry. Established in 1991, PGS is headquartered in Oslo, Norway, and maintains offices in 22... more

Oceaneering International, Inc. is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology capabilities, the Company also serves the defense and... more

Superior Energy Services, Inc. is a diversified provider of specialized oilfield services and equipment. The Company focuses on serving the drilling-related needs of oil and gas companies primarily through its rental tools segment, and the production-related needs of oil and gas companies... more

Energy East will continue to maintain low rates while providing excellent customer service and reliability. In addition, we will make needed infrastructure investments in an environmentally responsive manner. This strategy will benefit both customers and shareholders, showing that we can... more

NATCO Group Inc. (NATCO) designs, manufactures and markets process equipment, systems and services used in onshore and offshore production of oil and gas. The Company operates in three business segments: Oil and Water Technologies, Gas Technologies, and Automation and Controls. Effective... more

CGX Energy, Inc. (CGX) is a Canada-based company. Its principal business activity is petroleum and natural gas exploration in offshore Guyana, South America. The Company operates through its subsidiary CGX Resources Inc., a Bahamas-based company, as well as its 62%-owned ON Energy Inc., a... more

Helmerich & Payne, Inc. is primarily engaged in contract drilling of oil and gas wells for others. The contract drilling business accounts for almost all of the Company's operating revenues. It is also engaged in the ownership, development and operation of commercial real estate. It is... more

Since 1990, WesternGeco has been involved in time-lapse seismic reservoir monitoring projects in 96 oil and gas fields in 18 countries worldwide for over 20 major international oil companies. These surveys have been acquired onshore and offshore; single and multicomponent; in oil, gas,... more

Based in Southlake, Texas, Harken Energy Corporation is a publicly traded company listed on the American Stock Exchange. Harken Energy is engaged in domestic oil and gas exploration, development and production operations, and also has interests in international oil and gas exploration,... more

Hanover Compressor Company (NYSE:HC) is a global market leader in full service natural gas compression and a leading provider of service, fabrication and equipment for oil and natural gas production, processing and transportation applications. Hanover sells and rents this equipment and... more

National-Oilwell is a worldwide leader in the design manufacture and sale of machinery, equipment and downhole tools used in oil and gas drilling and production, as well as in the distribution to the oil and gas industry of maintenance, repair and operating products.

OMNI Energy Services Corp. (OMNI) is an integrated oilfield service company. The Company specializes in providing a range of onshore seismic drilling, operational support, permitting, and survey services; dock-side and offshore hazardous and non-hazardous oilfield waste management and... more

ShawCor Limited (ShawCor) is a Canada-based company, which is engaged in serving the pipeline and pipe services and the petrochemical and industrial segments of the global energy industry. The Company operates through six divisions producing specialized products and provides through a... more

Ensign Energy Services Inc. is a provider of oilfield services in western Canada, through Ensign Drilling Partnership, Rockwell Servicing Partnership, Enhanced Petroleum Services Partnership and Opsco Energy Industries Ltd.; in the Rocky Mountain region and the State of California in the... more

Diamond Offshore Drilling, Inc. (Diamond Offshore) provides contract drilling services to the energy industry worldwide and is also engaged in deepwater drilling with a fleet of 44 offshore drilling rigs. The Company’s fleet consists of 30 semisubmersibles, 13 jack-ups and one drillship.... more

Founded in 1999, WellDog, Inc. develops chemical sensing technologies for natural gas exploration and production. WellDog® services give coalbed natural gas developers the information they need to increase gas production.

Patterson-UTI Energy, Inc. (Patterson-UTI) is a provider of contract drilling services to major and independent oil and natural gas operators in Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi, Colorado, Utah, Wyoming, Montana, North Dakota, South Dakota, Pennsylvania and... more

Purvin & Gertz is an international energy consulting firm providing services to the crude oil, petroleum refining, natural gas, LPG, NGL and power generation industries. The firm's headquarters are located in Houston, Texas with an international network of offices in the U.S., Canada,... more

South Jersey Industries, Inc. (SJI) is an energy services holding company that provides a variety of energy related products and services through its wholly owned subsidiaries, South Jersey Gas Company (SJG), South Jersey Energy Company (SJE), South Jersey Resources Group, LLC (SJRG),... more

TGS-NOPEC is seeking approval to conduct a seismic survey in the Townsville Trough, an area located in excess of 50 kilometres beyond the seaward boundary of The Great Barrier Reef Marine Park/World Heritage area located off the Northeast coast of Australia. As part of the Australian... more

Pride International, Inc. (Pride) is an offshore drilling contractor operating, as of February 27, 2008, a fleet of 64 rigs, consisting of two deepwater drillships, 12 semisubmersible rigs, 28 jackups, 10 platform rigs, five managed deepwater drilling rigs and seven Eastern... more