Oil & Gas Companies in Leon County, TX

Company NameCompany LocationCompany TypeMost Recent Production
1Halcon Operating Co., Inc.Houston, TX 77024Oil & Gas OperatorSep 2025
2Hall Energy Company LLCOklahoma City, OK 73120-5020Oil & Gas OperatorJul 2022
3Hamill Resources, Inc.Houston, TX 77002Oil & Gas OperatorApr 1999
4Hamill, Claud B. Estate OfHouston, TX 77002Oil & Gas OperatorNov 1995
5Hamman Oil & Refining CompanyHouston, TX 77098Oil & Gas OperatorSep 2025
6Hampton Resources CorporationHouston, TX 77010Oil & Gas OperatorMar 1996
7Harken Exploration CompanyHouston, TX 77079Oil & Gas OperatorMar 2008
8Harman Operating Company, Inc.Tyler, TX 75702Oil & Gas OperatorDec 2007
9Hawkwood Energy Operating, LLCHouston, TX 77224Oil & Gas OperatorApr 2022
10Helmerich & Payne, Inc.Tulsa, OK 74114Oil & Gas OperatorJun 2025
11Hicon Gas Producers, Inc.New York, NY 10110Oil & Gas OperatorOct 1999
12Hilcorp Energy CompanyHouston, TX 77208Oil & Gas OperatorSep 2025
13Hopkins, T. M. Operating Co.Kilgore, TX 75663Oil & Gas OperatorSep 2025
14Hughey, Gaylord T. SR. Oper. Co.Tyler, TX 75711Oil & Gas OperatorFeb 1998
15Hunt Oil CompanyDallas, TX 75201Oil & Gas OperatorSep 2025
16Hunt Petroleum CorporationDallas, TX 75201Oil & Gas OperatorNov 2008
17Huntington Resources IncTulsa, OK 74103Oil & Gas OperatorOct 2006
18Hydrogeo, L.L.C.Houston, TX 77074Oil & Gas OperatorSep 2025