Oil & Gas Companies in Frio County, TX

Company NameCompany LocationCompany TypeMost Recent Production
1Magna Oil & Gas CorporationIrving, TX 75017Oil & Gas OperatorFeb 2016
2Magnum Engineering CompanyCorpus Chrsti, TX 78401Oil & Gas OperatorSep 2025
3Magnum Petroleum, Inc.Palm Desert, CA 92260Oil & Gas OperatorNov 2013
4Magnum Producing & Operating Co.Corpus Chrsti, TX 78471Oil & Gas OperatorJan 2004
5Manti Exploration Operating LLCCorpus Chrsti, TX 78403Oil & Gas OperatorFeb 2015
6Manti Operating CompanyCovington, LA 70435Oil & Gas OperatorSep 2025
7Mantle Oil & Gas, LLCFriendswood, TX 77546Oil & Gas OperatorSep 2025
8Marathon Oil CompanyHouston, TX 77252Oil & Gas OperatorJul 2025
9Marathon Oil Ef LLCHouston, TX 77252Oil & Gas OperatorSep 2025
10Mariah Energy Corp.Austin, TX 78716Oil & Gas OperatorApr 1999
11Mascot Oil CompanySchulenburg, TX 78956Oil & Gas OperatorSep 2025
12Matador Production CompanyDallas, TX 75240Oil & Gas OperatorSep 2025
13Maverick Energy Group, Inc.Tulsa, OK 74103Oil & Gas OperatorSep 2025
14Maverick Prod. Co., Inc.Houston, TX 77056Oil & Gas OperatorSep 2025
15Maxus Exploration CompanyDallas, TX 75201Oil & Gas OperatorJan 1995
16May Investments, Inc.New Boston, TX 75570Oil & Gas OperatorAug 2003
17Mayo Oil Co.San Antonio, TX 78209Oil & Gas OperatorFeb 2019
18Mazco Energy LLCSan Antonio, TX 78266Oil & Gas OperatorSep 2025
19McA Petroleum CorporationFlatonia, TX 78941Oil & Gas OperatorSep 2025
20McDaniel Company, Inc., TheDallas, TX 75230Oil & Gas OperatorSep 2025
21McDay Energy Corp.Dallas, TX 75206Oil & Gas OperatorSep 2025
22McEna IncTulsa, OK 74135Oil & Gas OperatorJul 2005
23McMinn Operating Company, Inc.Hempstead, TX 77445Oil & Gas OperatorSep 2025
24Megaenergy Operating, Inc.Edmond, OK 73034Oil & Gas OperatorJul 2015
25Meridian Oil Inc.Houston, TX 77210Oil & Gas OperatorAug 1996
26Mescalero Energy, Inc.San Antonio, TX 78231Oil & Gas OperatorAug 2003
27Metco Oil CorporationSeguin, TX 78155Oil OperatorApr 2016
28MGF Oil CorporationTulsa, OK 74121Oil & Gas OperatorJun 1998
29Mid Texas Natural GasKyle, TX 78640Oil & Gas OperatorMay 2019
30Midas Resources, Inc.Corpus Chrsti, TX 78403Oil & Gas OperatorSep 2025
31Miesch Exploration CorporationDallas, TX 75229Oil & Gas OperatorNov 2002
32Mina Energy, Inc.Boerne, TX 78006Oil & Gas OperatorFeb 2012
33Mineral Development, Inc.Dallas, TX 75231Oil & Gas OperatorAug 1996
34Mineral Resources, IncorporatedLewisville, TX 75029Oil & Gas OperatorSep 2025
35Mobile Production Systems, Inc.Austin, TX 78711Oil & Gas OperatorFeb 1995
36Moody Oil Co.Pearsall, TX 78061Oil & Gas OperatorSep 2025
37Mosaic Texas LLCDallas, TX 75205Oil & Gas OperatorSep 2025
38Moy, GaryFalls City, TX 78113Oil & Gas OperatorNov 1998
39Mueller Exploration, Inc.Portland, TX 78374Oil & Gas OperatorSep 2025