Oil & Gas Companies in Galveston County, TX

Company NameCompany LocationCompany TypeMost Recent Production
1S & S EnergyEnglewood, CO 80112Oil & Gas OperatorMar 2015
2Samedan Oil CorporationHouston, TX 77067Oil & Gas OperatorDec 2019
3Samson Exploration LLCTulsa, OK 74101Oil & Gas OperatorMay 2025
4Samson Hydrocarbons CompanyTulsa, OK 74103Oil & Gas OperatorNov 2016
5Samson Lone Star LPTulsa, OK 74103Oil & Gas OperatorJun 2007
6Samson Lone Star, LLCTulsa, OK 74103Oil & Gas OperatorJul 2025
7Samson Resources CompanyTulsa, OK 74103Oil & Gas OperatorApr 2025
8Sanchez-O'Brien Oil & Gas CorpHouston, TX 77057Oil & Gas OperatorMay 1998
9Sandalwood Exploration, L.P.Houston, TX 77056Oil & Gas OperatorJul 2025
10Sandpoint Texas LLCHouston, TX 77270Oil OperatorJul 2025
11Sandridge Onshore, LLCHouston, TX 77010Oil & Gas OperatorJun 2014
12Sawtooth Operating Co., Inc.Houston, TX 77024Oil & Gas OperatorJul 2025
13Saxet Operating Co.,Inc.Madisonville, TX 77864Oil & Gas OperatorJul 2025
14Seagull Energy E & P IncHouston, TX 77002Oil & Gas OperatorJan 2015
15Secondary Gas Recovery Inc.Tulsa, OK 74119Oil & Gas OperatorOct 1993
16Seneca Resources CorporationHouston, TX 77002Oil & Gas OperatorDec 2017
17Service Production Company, Inc.Santa Fe, TX 77510Oil & Gas OperatorMay 1999
18Shidler, Mark L., Inc.Houston, TX 77055Oil & Gas OperatorJul 2025
19Sideline Oil & Gas, L.P.Friendswood, TX 77549Oil OperatorJul 2025
20Slawson Exploration Company IncOklahoma City, OK 73102Oil & Gas OperatorJul 2025
21Smith Energy 1986a PartnershipAlvin, TX 77511Oil & Gas OperatorFeb 2010
22Smith Petroleum CompanySpring, TX 77389Oil & Gas OperatorJul 2025
23Smith, L. C.Jacksonville, TX 75766Oil & Gas OperatorJul 2025
24Sonterra Oil & Gas, Inc.Wichita, KS 67217Oil & Gas OperatorJul 2025
25Southwestern Energy Prod CoHouston, TX 77032Oil & Gas OperatorJun 2015
26Spartan Petroleum CorporationHouston, TX 77079Oil & Gas OperatorOct 1987
27Square Mile Energy, L.L.C.Houston, TX 77057Oil & Gas OperatorJul 2025
28St. Mary Land & Exploration CoDenver, CO 80201Oil & Gas OperatorJun 2010
29Standard Resources Corp.Houston, TX 77063Oil & Gas OperatorJul 2025
30Startex Energy, Inc.Abilene, TX 79608Oil & Gas OperatorJul 2025
31Stealth Onsite Solutions LLCPasadena, TX 77505Oil OperatorJul 2025
32Stephens Production CompanyThe Woodlands, TX 77381Oil & Gas OperatorMay 2025
33Stratco Operating Co IncAustin, TX 78701Oil & Gas OperatorJul 2025
34Stroud Production LLCShreveport, LA 71101Oil & Gas OperatorDec 2024
35STS Petroleum LLCHouston, TX 77289Oil & Gas OperatorJul 2025
36Sue-Ann Operating, L.C.Victoria, TX 77903Oil & Gas OperatorJul 2025
37Suemaur Expl. & Prod., LLCCorpus Chrsti, TX 78401Oil & Gas OperatorJun 2024