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504 companies

Golding Barge Line

Vicksburg, MS, United StatesUpdated Sep 2016

Golding Barge Line specializes in the movement of refined petroleum products, petro-chemicals, and chemical products throughout the entire US inland waterway system.

Grand Rivers Terminal

Grand Rivers, KY, United StatesUpdated May 2026

Kinder Morgan is one of the largest energy infrastructure companies in North America, operating approximately 136 terminals that store and handle renewable fuels, petroleum products, chemicals, vegetable oils, and other products.

HRH Geological Services

Aberdeen,, Scotland, United KingdomUpdated Jul 2006

HRH Geological Services specialises in the supply of innovative geological products and services to the Petroleum Industry.

HRH Geological Services Inc.

Houston, Texas, United StatesUpdated Jul 2006

HRH Geological Services Inc. provides innovative geological products and services to the petroleum industry in Houston, Texas.

HTK Consultants, Inc.

Location not listedUpdated Dec 2002

HTK Consultants, Inc. provides worldwide petroleum engineering, oil and gas project management, well site supervision, and midstream to downstream project inspection and management services.

Harley Marine Services, Inc. (Olympic Tug & Barge)

Seattle, WA, United StatesUpdated Feb 2005

Olympic Tug & Barge, Inc. (an operation of Harley Marine Services, Inc.) is a privately owned fuel transportation company operating in the Puget Sound area of Washington and the Willamette and Columbia Rivers of Oregon. We began operation in 1987, dedicated to superior customer service, quality operating procedures and exceptional safety standards. Our company is recognized for extensive safety programs and systems that ensure a safe environment for the care and custody of your cargo.

Harold Vance Department of Pet

Location not listedUpdated Dec 2002
Training

Harold Vance Department of Petroleum Engineering at Texas A&M University focuses on research and education in petroleum engineering and energy resources.

Hawaiian Interisland Towing

Honolulu,, HI, United StatesUpdated Sep 2003

Hawaiian Interisland Towing, Inc. provides chartered towing services for ocean transportation of bulk petroleum products, supporting energy distribution to Hawaiian Electric Company and utility companies on Maui and Hawaii islands.

Hindustan Petroleum Corporation

Bombay, IndiaUpdated Nov 2002
Bunker Supplier

Hindustan Petroleum Corporation Limited (HPCL) is an Indian oil and gas company with a vast marketing network, supply and distribution infrastructure, and involvement in maritime shipping to enhance India's energy security.

Hunt Patton & Brazeal, Inc.

Evergreen, CO, United StatesUpdated Dec 2002

Hunt, Patton & Brazeal Management Consulting specializes in the bringing together of companies interested in Mergers & Acquisitions, buying or selling of companies, searching out qualified candidates for needed jobs in the engineering, professional and technical fields.

Husky Oil Limited

Location not listedUpdated Dec 2002

Husky Oil Limited is a Canadian integrated energy company engaged in the exploration, production, and refining of oil and natural gas.

Hwrt Terminal

Hartford, IL, United StatesUpdated May 2026

HWRT Oil Company, LLC is a family-owned petroleum company operating a large terminal in Hartford, IL, providing gasoline, diesel fuel, and related petroleum products with extensive industry experience.

ICS Petroleum Ltd.

Vancouver, BC, CanadaUpdated Sep 2003
Bunker Supplier

ICS Petroleum Ltd. is a bunker supplier based in Vancouver, Canada, known for efficient seven-day-a-week fuel supply without overtime or hidden charges, supporting concurrent cargo operations to minimize vessel delays.

Idemitsu Kosan Co. Ltd

Tokyo, JapanUpdated Jun 2000
Bunker Supplier

Idemitsu Kosan Co., Ltd is a Tokyo-based company specializing in petroleum refining, petrochemical products, and multi-resource development including smart energy solutions and bunker supply.

Imperial Oil Limited (Calgary)

Calgary,, Alberta, CanadaUpdated Feb 2007

Imperial Oil Limited is Canada's largest producer of crude oil and a leading producer of natural gas, also operating as the largest refiner of petroleum products in Canada under the Esso brand.

Independent Liquid Terminals A

Location not listedUpdated May 2026
Training

The International Liquid Terminals Association (ILTA) is a trade association representing companies operating liquid terminals worldwide, handling products such as crude oil, petroleum products, chemicals, and renewable fuels.

Instituto Brasileiro de Petróleo - IBP

Centro, RJ, BrazilUpdated Jan 2000
Training

The Instituto Brasileiro de Petróleo, Gás e Biocombustíveis (IBP) is the representative body for the oil, gas, and biofuels sector in Brazil, providing knowledge, certification, training, and industry analysis.