List of companies

6,653 companies, A to Z

Company	Lists	Headquarters	Projects	Systems and facilities
Osage Hills Pipeline Company, LLC	Owner/operator	Barnsdall, OK		11
Osage Pipeline Company, LLC	Owner/operator	Dallas, TX		1
Osborn, W B Oil & Gas Operations	Owner/operator	San Antonio, TX		1
Osburn, W B Oil & Gas Operations	Owner/operator
Osprey Petroleum Company Inc	Owner/operator	Houston, TX		2
Oswego Harbor Power, LLC	Owner/operator	Oswego, NY		1
Otay Mesa Generating Company, LLC	Owner/operator		1
Otis Eastern Service, LLC	Contractor		6
Otis Minnesota Services	Contractor	Wellsville, NY	4
Otter Creek Midstream	Owner/operator	Tulsa, OK		6
Outer Loop Utility, LLC	Owner/operator			1
Outrigger Energy	Owner/operator			1
Over & Under Piping Contractors, Inc.	Contractor
Overthrust Pipeline	Owner/operator		1
Overton Midstream, LLC	Owner/operator	Lewisville, TX		1
Ovintiv USA Inc	Owner/operator	Denver, CO		3
Owatonna Public Utilities	Owner/operator	Owatonna, MN		1
Owens Corning	Owner/operator			12
Owens-Illinois	Owner/operator	Perrysburg, OH		1
Own Resources Operating, LLC	Owner/operator	Breckenridge, CO		1
Oxbow Calcining LLC	Owner/operator			1
Oxea Corporation	Owner/operator			1
Oxley Energy Llc.	Owner/operator	Houston, TX		1
Oxy	Owner/operator			7
Oxy Midstream Operating Company, LLC	Owner/operator
Oxy Permian Resources - Delaware Basin	Owner/operator			1
Oxy USA Inc	Owner/operator			13
Oxy USA Inc - South Texas	Owner/operator	Houston, TX		1
Oxy Usa Wtp LP	Owner/operator			2
Oxy Usa Wtp, LP 00	Owner/operator			1
Oxy WTP LP	Owner/operator	Houston, TX		2
Ozark Gas Gathering	Owner/operator	Houston, TX		1
Ozark Gas Transmission Co	Owner/operator	Houston, TX	2	2
Ozona Pipeline Energy Co, LLC	Owner/operator			2
Ozona Residue System Co	Owner/operator
Ozona Residue Systems Co	Owner/operator	Ozona, TX		2
P B Energy Storage Services Inc.	Owner/operator
P H Masterline Midstream LLC	Owner/operator	Pittsburgh, PA		1
PB Energy Storage Services, Inc.	Owner/operator
PBF Logistics Products Terminals LLC	Owner/operator			7
PBF T&m Terminal	Owner/operator			1
PBS&J	Contractor		4
PCS Nitrogen Fertilizer LP	Owner/operator	Geismar, LA
PDC Mountaineer, LLC	Owner/operator	Bridgeport, WV		1
PDC Permian Inc.	Owner/operator	Denver, CO		1
PDX Pipeline Co	Owner/operator	Stilwell, OK		1
PG Energy	Owner/operator
PG&E Gas Transmission-Northwest Corp.	Owner/operator		1
PGP Operating, LLC	Owner/operator	Kennesaw, GA		1
PK Companies

Companies come from public sources: PHMSA and state filings, FERC dockets, the PLCA member list and the API 5L license list. See also pipeline systems, facilities and projects.