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Companies starting with I.
50 oil & gas companies — each links to its full acquisition lineage and corporate successor.
- Ibex
- Ibex & Windfohr
- Ibex Resources Company, LLC
- ICOS Energy Corp.
- IDC Energy Corp.
- IEI Exploration, Inc.
- IES Industries, Inc.
- III Exploration Company
- Illini Carrier LP
- Illinova Corp.
- Imperial Oil and Gas Inc.
- Imperial Petroleum
- Income Share, Inc.
- Independent Exploration Company
- Independent Oil Company
- India Temple Minerals Co.
- Indian Oil Company
- Indian Royalty Company
- Indian Territory Illuminating Oil Co.
- Indian Wells Oil Company
- Indrex, Inc.
- Industrial Gas Company
- Inexco Oil Company
- Infinity Inc.
- Inland Fuels Corporation
- Inland Resources, Inc.
- Integrated Drilling & Exploration, Inc.
- Integrated Energy, Inc.
- Inter-City Gas
- Interamerican Corp.
- InterCoast Gas Services Co.
- InterCoast Oil and Gas Company
- Intergen (North America), Inc.
- Intermoutain Industries Inc.
- International Colin Energy Corp.
- International Nuclear Corp.
- International Oil & Gas Corp.
- International Recovery Corporation
- International Telephone
- InterNorth, Inc.
- Interstate Production Company
- Intex
- Intoil, Inc.
- Investors Royalty Company
- Iowa-Illinois Gas and Electric Company
- Iowas Resources Inc.
- Iron Mountain Oil Company
- Island Oil Company
- Ivahoe Energy Inc.
- Ivanhoe Energy, Inc.