Oil & Gas Companies in Harris County, TX

Company NameCompany LocationCompany TypeMost Recent Production
1H.E.R. Operating, LLCSilsbee, TX 77656Oil & Gas OperatorDec 2024
2Halcon Operating Co., Inc.Houston, TX 77024Oil & Gas OperatorDec 2024
3Hamill, Claud B. Estate OfHouston, TX 77002Oil & Gas OperatorNov 1995
4Hamman Oil & Refining CompanyHouston, TX 77098Oil & Gas OperatorDec 2024
5Hanson Minerals Co.Houston, TX 77042Oil & Gas OperatorOct 1993
6Hanson Production CompanyCuero, TX 77954Oil & Gas OperatorJul 2009
7Harrison Interests, LTD.Houston, TX 77002Oil & Gas OperatorDec 2024
8Heritage Expl. & Prod. Co., Inc.Stafford, TX 77497Oil & Gas OperatorDec 2000
9Heritage Operating Co., Inc. TheStafford, TX 77497Oil & Gas OperatorMay 1997
10High Bluff Operating, LLCLittleton, CO 80161Oil & Gas OperatorMay 2018
11Hilcorp Energy CompanyHouston, TX 77208Oil & Gas OperatorDec 2024
12Hollimon Oil CorporationCastroville, TX 78009Oil & Gas OperatorNov 2016
13Houston Hydrocarbons, Inc. (A)Houston, TX 77042Oil & Gas OperatorSep 2004
14Houston Oil & Minerals Corp.Houston, TX 77002Oil & Gas OperatorAug 1996
15HRB Operating Company IncBridgeport, TX 76426Oil & Gas OperatorDec 2024
16Hughes, Dan A. CompanyBeeville, TX 78104Oil & Gas OperatorMay 2006
17Hunt Oil CompanyDallas, TX 75201Oil & Gas OperatorDec 2024
18Hunt, WM. Herbert, Trust Est.Dallas, TX 75201Oil & Gas OperatorSep 1998
19Hunters Creek Oil & GasHouston, TX 77042Oil & Gas OperatorDec 2024