List of companies

6,653 companies, A to Z

Company	Lists	Headquarters	Projects	Systems and facilities
Greylock Apple Grove Pipeline LLC	Owner/operator	Charleston, WV	1	1
Greylock Midstream, LLC	Owner/operator	Charleston, WV		1
Greylock Production, LLC	Owner/operator	Charleston, WV		1
Greystone Petroleum LLC	Owner/operator
Grit Oil & Gas Management, LLC	Owner/operator			4
Groundwater Associates LLC	Third-party inspection		1
Grove Municipal Services Authority	Owner/operator	Grove, OK		1
Growmark Inc	Owner/operator			8
Gruy Petroleum Management Co	Owner/operator			1
Gruy Petroleum, Inc.	Owner/operator
Guardian Decommissioning, Inc.	Owner/operator	Houston, TX		2
Guardian Energy Janesville	Owner/operator	Janesville, MN		1
Guardian Industries Corporation	Owner/operator	Auburn Hills, MI		1
Guardian Lima	Owner/operator	Lima, OH		1
Guardian Pipeline, L.L.C.	Owner/operator	Detroit, MI	8	1
Gulf Coast Energy Inc	Owner/operator	Corpus Christi, TX		5
Gulf Coast Express Pipeline LLC	Owner/operator		1
Gulf Coast Mineral, LLC	Owner/operator	Gulf Shores, AL		1
Gulf Coast Pipeline Company	Owner/operator			1
Gulf Coast Pipeline Services	Contractor
Gulf Companies	Contractor		2
Gulf Crossing Pipeline Company, LLC	Owner/operator	Houston, TX	3	1
Gulf Energy Pipeline LLC	Owner/operator
Gulf Energy Storage Services Inc	Owner/operator			2
Gulf LNG Energy, LLC	Owner/operator		3
Gulf LNG Liquefaction Company, L.L.C.	Owner/operator		1
Gulf LNG Pipeline, LLC	Owner/operator		3
Gulf Liquids New River	Owner/operator		1
Gulf Oil LP	Owner/operator			5
Gulf Pine Energy Operating, LLC	Owner/operator	New Hebron, MS		1
Gulf Pipeline LLC	Owner/operator	Oklahoma City, OK		1
Gulf Power	Owner/operator	Houston, TX		1
Gulf Run Transmission, LLC	Owner/operator	Houston, TX		1
Gulf Shore Energy Partners, LP	Owner/operator		1
Gulf South Pipeline Company, LLC	Owner/operator	Houston, TX	61	5
Gulf South Pipeline Company, LLC ; Texas Gas Transmission. LLC	Owner/operator		1
Gulf State Pipeline Co Inc	Owner/operator
Gulf States Transmission Corporation	Owner/operator	Houston, TX		1
Gulfmark Energy, Inc.	Owner/operator	Houston, TX		3
Gulfport Energy Corporation	Owner/operator	Hackberry, LA		2
Gulfshore Midstream Pipelines LTD	Owner/operator
Gulfstream LNG Development, LLC	Owner/operator		1
Gulfstream Management & Operating Services,llc	Owner/operator	Palmetto, FL		1
Gulfstream Natural Gas System LLC	Owner/operator		7
Gulftex Energy LLC	Owner/operator	San Antonio, TX		2
Guymon City Of	Owner/operator			1
H D Griffin	Contractor		1
H&S Constructors Inc.	Contractor		1
H.C. Price Co.	Contractor	Dallas, TX	4
H.L. Chapman Pipeline Construction, Inc.	Contractor	Leander, TX

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.