2R Drilling, Inc.
"Hollow Stem Auger Drilling Geotechnical and Environmental Test Borings"

3D Seismic Data

A2D Technologies
"a one-of-a-kind, full-service petroleum well log data provider that helps E & P companies locate, acquire, utilize, interpret and manage well log data in the most cost-effective and productive manner available to the industry."

A&L Underground, Inc.
"a full service industry leader in horizontal directional drilling (HDD) and installation of utility distribution and transmission lines. "

AAA Technology & Specialties Co., Inc.
"supplier of engineering design and analysis software for piping networks and process equipment as well as a complete line of standard and custom pipe support hardware and pipe hangers"

Abanaki Corporation Oil Skimmers Division
"the world leader in oil skimming solutions, serving industries as diverse as iron and steel, wastewater, paper, food processing, automotive, environmental remediation and recycling."

ABB Ltd.
" The operations in the Oil, Gas and Petrochemicals segment reflect ABB's development into a leading international supplier of services and equipment for the oil, gas and petrochemical industries. "

Abbot Group
"...activities are centred around three main operating subsidiaries, KCA, an international drilling and facilities engineering contractor, OIS International Inspection, which provides a comprehensive range of inspection services around the world, and the BW Group, an innovative provider of drilling, completion and workover fluids and associated engineering services. "

ABC Liovin Drilling
"one of the pioneers in Environmental & Geotechnical Drilling in Southern California."

Abraxas Petroleum Corporation
"is a publicly traded, integrated energy company with more than 20 years of experience in the industry."

AbTech Industries, Inc.
"multi patented and patent pending hydrocarbon recovery system based on innovative polymer technologies.... chemically selective to hydrocarbons and readily encapsulates oil and bonds it within the structure." This process virtually transforms liquid petroleum hydrocarbons into a manageable solid waste that is fully recyclable. "

Acclaim Energy Trust
" is a Calgary based, open-end income trust engaged in the development and acquisition of oil and gas reserves in western Canada. "

Accu Tech
provides Measurement While Drilling MWD services to the leading directional drilling and oil and gas companies.

Action Petroleum
"introduces a new line of Oil Containment Boom and Oil Skimmers."

ActiSystems, Inc.
"a specialty drilling fluids company. The company has developed a unique drilling fluid product system and related services that takes advantage of the new technical developments based on horizontal drilling, drill-in fluids, minimum formation damage, underbalanced drilling, coil-tubing operations and extended reach wells."

Adams Pearson Associates Inc.(APA)
"Petroleum Engineering Consultants"

ADG Technology Pty Ltd
"service the drilling, mining, oilfield, waterwell, construction and exploration industries with all manner of specialist drilling and communication equipment."

Advanced Data Mining, LLC
"Visualize complexity, discover solutions, shatter limits"

Advanced Geologic Exploration, Inc.
"a geologic consulting firm...services include seismo-watch 1992-present..fault evaluations..mineral explorations and investigations, geothermal resource investigations"

Advanced Geomechanics
"is a specialist consultancy at the leading edge of geotechnical design solutions"

Advanced Geotechnology, Inc
Integrated Petroleum Engineering and Geoscience Solutions

Advanced Resources International
"a leading technology development and oil and gas consulting firm specializing in emerging resources, exploration and production technologies, and strategic issues for the energy industry. "

Advantek International, Corp.
"Advanced geomechanical solutions for the E&P industry"

Aera Energy LLC
"California's leading oil and gas producer"

Agar Corporation Inc.
"has succeeded in creating uniquely innovative hydrocarbon/water/gas measurement and control devices for the up/down stream Oil industry and the Chemical, Food Processing, and Pharmaceutical industries."

Aker Maritime
"a multilocal group of companies with around 14 000 employees in more than 20 countries. Together with our customers and partners, our people deliver solutions for the safe and efficient exploitation of offshore oil and gas resources."

Akkerman Inc.
"manufactures, sells, and rents microtunneling, pipejacking, tunnel boring and sliplining equipment."

AKS Labs
" instrumentation specialists develop custom instruments for measurement needs that cannot be met with standard or commercial equipment. "

Alexander Cardew [Pipeline Products]
"one of the most respected names in the supply of Pipeline Equipment to the Oil and Gas Industry."

Alliance Engineering
"Our mission... is to provide engineering and project services to support energy companies in the safe and efficient development and transmission of oil and gas resources."

AllMaritim AS
"a joint marketing organization for NOFI oil booms and related equipment manufactured in Norway.

Alstom Drives & Controls
"a world leader in the energy and transport infrastructure markets."

AltaGas Services Inc.
"Canada's leading independent natural gas midstream company"

Altinex
"provides economically attractive solutions for the development and management of hydrocarbon assets. "

Altra Consultants Ltd.
"provides a high quality consultancy service to the oil and gas industry, covering the full range of activities from production to refining and petrochemicals. "

Amadeus Petroleum NL
"is a Perth (Western Australia) based company with the primary purpose of acquiring, upgrading and expanding its proven oil and gas reserves, thus increasing production and cash flow."

Amerada Hess Corporation
"the leading independent energy company"

AmerCable

American Maintenance Systems
"a manufacturer of petroleum tools for worldwide use"

American Marine Online
"a leading manufacturer of pollution control products since 1967, and has sold over a million feet of containment boom and turbidity curtain in the past thirty years. Offering a wide range of products designed to meet the most demanding field conditions"

American Shoreline, Inc. (AMSHORE)
" a successful oil and gas exploration company headquartered in Corpus Christi, Texas. "

Ameritex
"a privately owned Texas based independent oil and gas exploration company utilizing 3-D seismic technology to generate large reserve exploration opportunities. "

Ami Adini & Associates, Inc.
"Hardworking Environmental Experts Solving Your Needs"

Ammonite Resources
"International Petroleum and Mineral Consultants "

Anadarko Petroleum
"merger of Anadarko Petroleum and Union Pacific Resources...will be one of the largest independent exploration and production companies in the world"

Analog Services Inc.
"caters to the oil well, water well, mineral, and environmental logging / wireline industries. We maintain the most complete repair and fabrication facility....We can build, repair, modify, and calibrate most downhole tools and surface equipment."

Anonima Petroli Italiana (API)
"one of the major private industrial groups operating in the oil sector in Italy and Europe."

The Anticline Petroleum Consultancy Office and Burgan One Commercial Establishment
"The above two firms complement each other as a Petroleum Consultancy and Agency offices which are specialized in the activities of restoration, redevelopment of the oil fields in Kuwait and Neutral Zone, and perform feasibility studies for projects in the upstream and downstream oil sectors."

Antonio Associates
"Geotechnical project engineering"

Apache Corporation
" ranks among the leading independent oil and gas exploration and production companies in the United States."

APEX Petroleum Engineering
"blends practical oil field experience with state-of-the-art technology to optimize production."

Applied Production Technology

Applied Seismology Consultants
"For expertise in seismology, geophysical techniques, microseismic and ultrasonic equipment, induced seismicity, monitoring of mines and underground storage facilities, rock mechanics and engineering, behaviour of concrete structures during curing and loading."

Aramco Services

Arc Energy NL
"is a publicly listed West Australian based petroleum exploration and production Company"

Arcis Corporation
"the only company in Canada offering its unique complement of seismic services to the energy industry. The services we provide are key to successful exploration for oil and gas as companies seek to improve success rates, reduce costs and mitigate the risks of their drilling programs."

Arctic Slope Regional Corporation
" a private, for-profit corporation representing the business interests of the Inupiat Eskimos of Alaska's North Slope."

Argo Energy Ltd.
" a junior energy company engaged in the exploration, exploitation and production of crude oil and natural gas."

Arm-Tex Corporation
"represents manufacturers and distributes products to industrial and oilfield clients in Texas, Oklahoma, New Mexico and Colorado. Product lines include valves, swivel joints, loading systems, unions, hoses, lubricants and lubricating equipment."

Arnco Technology Trust Limited
"the leading developer and supplier of wear resistant hardbanding products for the petroleum exploration industry."

Arrow Measurement, Inc.
"specializes in the integration of measurement charts for gas wells."

Aruba Petroleum, inc.,
"a full service oil & gas operating company based in Plano, Texas"

Aquilles en Venezuela
"dedicated to help to the operators of petroleum and gas, and to the companies of Engineering that work in Venezuela in the development of their businesses."

Ashland Inc.
"a worldwide energy and chemical company with operations in petroleum refining, transportation and wholesale marketing; retail gasoline marketing; motor oil and lubricant marketing; chemicals; construction; and oil and gas exploration and production.

Aspen Exploration
"a "junior" oil and gas firm with accomplishments of discoveries and production, primarily in California, and positive earnings."

Associated Environmental Industries Corp.
Associated Directional Drilling & Associated Tool Works

Athena Technologies, Inc.
"provides a broad spectrum of geological and environmental services to industry and academia....include near shore, wetlands, lake, channel, and open ocean vibracoring studies...often involve the collection and analysis of vibracore samples for environmental and geotechnical pre-dredge projects, beach renourishment sediment evaluation and geological research."

Atlas Marine
An international service company "renders quantity certification and quality control services applied to custody transfers and inventory controls of Crude Oils Petroleum Products, Petrochemicals, Orimulsion®, Bulk Liquids, Grain, Bulk Minerals, Industrial Goods and Floating Structures."

ATP Oil & Gas Corporation
"We are an offshore development and production company based in Houston, Texas, USA."

Auslog Pty Ltd.
"a manufacturer of geophysical borehole logging equipment for use by coal miners, mineral explorers, groundwater consultants, geotechnical engineers and management authorities."

Avalon Sciences
"a British company dedicated to the design and manufacture of electronic and mechanical instrumentation for use primarily in the oil and gas exploration environment."

Aztec Engineering Company Ltd.
"operating as drilling contractors in Thailand since 1975.... focus on the mineral exploration, geotechnical testing, environmental monitoring, cathodic protection, blasthole and water well segments of the industry."