List of companies

6,653 companies, A to Z

Company	Lists	Headquarters	Projects	Systems and facilities
Ogc, LLC Dba Orca Gathering Company	Owner/operator	Oklahoma City, OK		1
Oglethorpe Power Corporation	Owner/operator	Tucker, GA		2
Ogp Operating, Inc.	Owner/operator	Dallas, TX
Ogris Operating	Owner/operator	Midland, TX		1
Ogs Pipeline LLC	Owner/operator			1
Ogston's Inc.	Contractor
Ohio Gas Company	Owner/operator		3
Ohio Gathering Company, L.l.c.	Owner/operator	Denver, CO		1
Ohio Intrastate Gas	Owner/operator		1
Ohio Intrastate Gas Transmission Co	Owner/operator
Ohio Oil Gathering Corp II	Owner/operator
Ohio Power Company	Owner/operator
Ohio Power Partners, Llc.	Owner/operator	Silver Spring, MD		1
Ohio River System LLC	Owner/operator
Ohio River Valley Pipeline, LLC	Owner/operator
Ohio Valley Gas Corp	Owner/operator	Winchester, IN		1
Ohio Valley Hub LLC	Owner/operator	Evansville, IN		1
Ohm Operating	Owner/operator
Oi Auburn Inc C/o Dufco Inc	Owner/operator
Oil & Gas Prospectors Inc	Owner/operator
Oil And Gas Producers Inc	Owner/operator			1
Oil Energy Corp.	Owner/operator	Traverse City, MI		1
Oilstone LLC	Owner/operator			2
Oiltanking Beaumont Partners L.p.	Owner/operator	Beaumont, TX		1
Oiltanking Port Neches, LLC	Owner/operator	Port Neches, TX		1
Oiltanking Texas City LP	Owner/operator			1
Oiltanking, Houston LP	Owner/operator	Houston, TX		2
Ok Muni PWR Athrty	Owner/operator			1
Okaloosa County Gas District	Owner/operator	Valparaiso, FL		1
Okaloosa Gas District	Owner/operator	Valparaiso, FL		1
Okapi Midstream LLC	Owner/operator	Dallas, TX		7
Okeanos Gas Gathering Company, LLC	Owner/operator	Houston, TX
Oklahoma Gas Gathering LLC	Owner/operator	Oklahoma City, OK		4
Oklahoma Gas Processing	Owner/operator	Elmore City, OK		1
Oklahoma Gas and Electric (OG&E)	Owner/operator		1
Oklahoma Natural Gas Co	Owner/operator
Oklahoma Natural Gas Company, A Division Of One Gas, Inc.	Owner/operator	Oklahoma City, OK		1
Oktex Pipeline Co	Owner/operator	Tulsa, OK		1
Old River Pipeline, LLC	Owner/operator	Wichita Falls, TX		1
Old Union Operating Company	Owner/operator			1
Oliktok Pipeline Company	Owner/operator	Anchorage, AK		2
Olin Corporation	Owner/operator	Clayton, MO
Olipdp Ii, LLC	Owner/operator	Lafayette, LA		3
Olympic Pipe Line Company	Owner/operator	Chicago, IL		1
Olympus Terminals LLC	Owner/operator	Long Beach, CA		2
Omega PTNRS III LLC	Owner/operator			1
Omega Partners Hartford LLC	Owner/operator	Hartford, IL		1
Omega Partners III LLC	Owner/operator			3
Omimex Canada, Ltd.	Owner/operator	Fort Worth, TX		1
Omimex Energy, Inc	Owner/operator

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.