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24 companies

Anadarko Petroleum Corp.

The Woodlands,, Texas,, United StatesUpdated Feb 2004

Anadarko Petroleum Corp. is an energy company focused on oil and gas production, advancing low-carbon technologies including carbon capture and enhanced oil recovery.

Ballast Technologies, Inc.

Tucson,, Arizona, United StatesUpdated May 2026

Supply and installation of permanent, fixed ballast for new construction or conversion of ships, oil/gas production platforms, bridge counterweights, etc.

Barber Industries Inc

Calgary,, Alberta,, CanadaUpdated Apr 2002

Barber Industries, Inc., a division of PCC Flow Technologies, Inc., has been a leader and worldwide supplier to the oil and gas production and pipeline industries since 1940.

Berry Petroleum Company Online

Location not listedUpdated Dec 2002

Berry Corporation (BRY) is now part of California Resources Corporation (CRC), an energy company focused on oil and gas production in California.

DONG (Danish Oil & Natural Gas)

Horsholm, DenmarkUpdated Jun 2003

DONG is a Danish state-owned energy company established in 1972, playing a key role in Denmark's oil and natural gas production and energy independence.

Energy Africa Ltd

Cape Town,, South AfricaUpdated May 2006

Energy Africa Ltd is an energy company based in Cape Town, South Africa, specializing in oil and gas exploration and production.

Equitable Resources, Inc.

Location not listedUpdated Dec 2002

EQT Corporation is a large-scale, vertically integrated natural gas producer in the U.S. focused on affordable, reliable, and clean energy with a commitment to environmental responsibility and net zero emissions.

FloaTEC, LLC

Houston,, Texas, United StatesUpdated May 2006

FloaTEC, LLC specializes in deepwater floating production platforms, providing engineering and manufacturing solutions for offshore oil and gas production.

Geofizyka Torun Sp. z o.o.

Torun, PolandUpdated May 2026

Geophysical services to oil and gas exploration industry. Seismic data acquisition, processing and interpretation. Well logging and well log analysis.

Heatric

Poole, Dorset, United KingdomUpdated Mar 2008

Heatric designs and manufactures highly compact Printed Circuit Heat Exchangers, (PCHE'S) for use in gas and light hydrocarbon liquids processing (eg. gas compression cooling and dewpoint control). They are characterised as high integrity plate type heat exchangers, used in offshore gas production worldwide.

ICS Triplex

Houston, TX, United StatesUpdated Sep 2003

ICS Triplex is one of a few elite companies worldwide that provide fault tolerant technology robust enough to safely monitor or control applications so critical that a failure of the control systems cannot be contemplated. Worldwide Capability ICS Triplex operates in most areas of the world, with a particular focus on locations where oil and gas production and processing is concentrated. As well as the main manufacturing locations in Maldon UK and Houston Texas, the company has facilities in Aberdeen Scotland, Abu Dhabi Middle East, Kuala Lumpur Malaysia, Milan Italy, Paris France, Perth Australia and Shenzen China providing local rapid support for all ICS Triplex products.

Illinois Oil & Gas Associaatio

Location not listedUpdated May 2026
Training

The Illinois Oil and Gas Association is an agency representing oil and gas producers, landowners, and royalty owners in Illinois, focusing on advocacy, education, and networking within the oil and gas industry.

Kerr-McGee Corp.

Location not listedUpdated Dec 2002

Kerr-McGee Corp. is an energy company primarily involved in oil and gas exploration and production.

LASMO plc

Location not listedUpdated Dec 2002

LASMO plc was an oil and gas exploration and production company. The website is currently for sale and contains no active maritime-related content.

Mariner Energy, Inc.

Houston ,, TX, United StatesUpdated Apr 2005

Mariner Energy, Inc. is an energy company based in Houston, specializing in oil and gas exploration and production.

Norsk Hydro ASA

Oslo, NorwayUpdated Dec 2002

Norsk Hydro ASA is a leading aluminium and renewable energy company with significant operations in oil and gas production, including offshore installations and subsea developments, primarily in Norway and internationally.

OAO Gazprom

Location not listedUpdated Dec 2002

OAO Gazprom is a large Russian energy company primarily engaged in the extraction, production, and distribution of natural gas and related products.

Perez Companc S.A.

Location not listedUpdated Dec 2002

Perez Companc S.A. is an Argentine company involved in the energy sector, including oil and gas production and distribution.

Petromet Resources Ltd.

Location not listedUpdated Dec 2002

Petromet Resources Ltd. is a Canadian oil and gas exploration and production company focused on developing energy resources.

Royale Energy

Location not listedUpdated May 2026

Royale Energy Inc. is a publicly traded independent oil and gas production company operating wells in California and Texas, focused on development drilling projects and marketing oil and natural gas.

Ultra Petroleum Corp.

Location not listedUpdated Dec 2002

PureWest Energy is the largest producer of natural gas in Wyoming, operating over 3,400 wells and managing more than 108,000 net mineral acres in the Pinedale Field, with a focus on responsible and efficient clean natural gas production.

Unit Corporation

Location not listedUpdated Dec 2002

Unit Corporation is a Tulsa-based, publicly held energy company engaged in oil and gas production through its subsidiary, Unit Petroleum Company.

Vetco International Ltd.

London, United KingdomUpdated Jan 2007

Vetco Aibel provides upstream oil and gas production facilities, process systems, technology, and products, offering services from new build to decommissioning including maintenance and operation of on- and offshore facilities.