Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
501Weldbank Energy CorpWarren, PA 16365-5114Oil & Gas OperatorDec 2024
502Welder Exploration & Prod., Inc.San Antonio, TX 78212Oil & Gas OperatorDec 2022
503Welder Operating, Inc.San Antonio, TX 78205Oil & Gas OperatorMar 2001
504Welder-Heyer Energy, Inc.San Antonio, TX 78205Oil & Gas OperatorFeb 2001
505Welderxp LTD.San Antonio, TX 78212Oil & Gas OperatorOct 2025
506Weldon CorporationHouston, TX 77056Oil OperatorFeb 2020
507Welhausen Operating Co., Inc.Beeville, TX 78104Oil & Gas OperatorAug 2003
508Welhausen Operating Company, LPBeeville, TX 78104Oil & Gas OperatorNov 2016
509Well Management Services IncOil & Gas OperatorDec 2001
510Well Recycling CompanyOlney, TX 76374Oil OperatorAug 2005
511Well Renewal IncTulsa, OK 74103-0091Oil OperatorMar 2015
512Well Tech Oil And Gas, Inc.Wichita, KS 67206Oil OperatorSep 2020
513Well Water ManagementOil & Gas OperatorJul 2025
514Well-Co Solutions, LLCBatson, TX 77519Oil OperatorOct 2025
515Wellco Energy IncHarrah, OK 73045Oil & Gas OperatorJun 2025
516Wellco Production LLCPurcell, OK 73080-6833Oil & Gas OperatorJun 2025
517Wellington Operating CompanyOil & Gas OperatorJun 2025
518Wellington Securities, Inc.Plano, TX 75093Gas OperatorJul 2014
519Wellmaster Production Co LLCOil & Gas OperatorJul 2015
520Wells Allen WBarnsdall, OK 74002Oil & Gas OperatorJun 2025
521Wells Edward KSapulpa, OK 74066-4243Oil & Gas OperatorJun 2004
522Wells Energy ComOil & Gas OperatorMar 1994
523Wells Oil CompanGas OperatorSep 1984
524Wells Oil, LLCGridley, KS 66852Oil OperatorJun 2025
525Wells Oilfield Services, Inc.Graham, TX 76450Oil & Gas OperatorOct 2025
526Wells, Michael E.Springville, NY 14141Gas OperatorDec 2024
527Wells-BattelsteiOil & Gas OperatorMar 1993
528Wells-Battelstein O&G, Inc.Gas OperatorDec 1986
529Wellstar CorporationNorthglenn, CO 80233Oil & Gas OperatorAug 2025
530Wellsville Oil COil OperatorDec 1996
531Wellsville Oil CoWellsville, KS 66092Oil OperatorSep 2000
532Wellwin DrillingOil & Gas OperatorDec 1994
533Wellwin Drilling CorporationWellington, KS 67152Oil & Gas OperatorJun 2025
534Welsh Hills Oil & Gas CoNewark, OH 43055Oil & Gas OperatorDec 1999
535Wem Joint VentureGillette, WY 82716Oil & Gas OperatorSep 2015
536Wem Operating, LLCProvo, UT 84604Oil & Gas OperatorJul 2025
537Wema Natural Res, IncSharon Grove, KY 42280Oil OperatorDec 2021
538Wen-BeJourdanton, TX 78026Oil & Gas OperatorOct 2025
539Wendy Oil CompanyWichita Falls, TX 76307Oil & Gas OperatorOct 2025
540Wenert TrichOil & Gas OperatorOct 1988
541Wenert Trich OilOil & Gas OperatorJul 1990
542Wenexco, Inc.Streetman, TX 75859Oil & Gas OperatorOct 2025
543Wengerd, Noah A.Sherman, NY 14781Gas OperatorDec 2024
544Wenner Petroleum CorpEnglewood, CO 80111Oil & Gas OperatorDec 1986
545Wente Exploration IncOklahoma City, OK 73102Gas OperatorOct 2011
546Wentworth Energy, Inc.Palestine, TX 75801Oil & Gas OperatorJun 2009
547Wentworth Operating CompanyOklahoma City, OK 73162-1863Oil & Gas OperatorAug 2025
548Wentworth Production CompanyOil & Gas OperatorAug 1985
549Werner Oil FarmWarren, PA 16365-3608Oil & Gas OperatorDec 2024
550Werner Oil, Inc.Borger, TX 79008Oil & Gas OperatorSep 1996
551Wernette, Louis J.Hondo, TX 78861Oil & Gas OperatorSep 2023
552Werth Exploration TrustOil OperatorDec 2013
553Wes Oil & Gas LLCClarks Mills, PA 16114-1912Gas OperatorDec 2024
554Wes Pro, Inc.Jacksboro, TX 76458Oil OperatorJan 2013
555Wes-Mor Drilling, Inc.Graham, TX 76450Oil & Gas OperatorOct 2025
556Wes-Mor Oil & Gas, Inc.Graham, TX 76450Oil & Gas OperatorApr 1994
557Wes-Tex Drilling CompanyAbilene, TX 79604Oil & Gas OperatorJan 2000
558Wes-Tex Oil Co. (I)Bangs, TX 76823Oil & Gas OperatorOct 2025
559Wesco Operating, Inc.Casper, WY 82602Oil & Gas OperatorAug 2025
560Wesco Production LLCOil & Gas OperatorJun 2025
561Wescor LLCHartville, OH 44632Oil & Gas OperatorDec 2024
562Wesgra CorporationMexican Hat, UT 84531Oil & Gas OperatorAug 2025
563Wesla Oil & Gas Co., Inc.Oil & Gas OperatorJun 2001
564Wespac Energy, LLCSan Antonio, TX 78217Oil & Gas OperatorDec 2019
565Wessel Oil And GasCushing, OK 74023-9580Oil & Gas OperatorMar 2015
566Wessely Energy CompanyDallas, TX 75206Oil & Gas OperatorMay 2001
567Wessely Energy CorporationOil & Gas OperatorFeb 1989
568West 40 ProductionNess City, KS 67560Oil OperatorApr 1998
569West American Energy CorporationOil & Gas OperatorAug 2025
570West Barrytown Services, LLCGilbertown, AL 36908Oil & Gas OperatorMar 2020
571West Bay Exploration CompanyMuenster, TX 76252Oil & Gas OperatorJul 2025
572West Co., TheWichita Falls, TX 76307Oil & Gas OperatorJun 2016
573West Coast Oil CompanyOil OperatorDec 1996
574West Coast Operators Inc.Oil & Gas OperatorAug 2025
575West Delta Oil Co.Oil & Gas OperatorJul 2000
576West Energy Operating LLCOil & Gas OperatorAug 2025
577West Fox SWD LLCRatliff City, OK 73481Oil OperatorJul 2025
578West Gas IncOil & Gas OperatorDec 2017
579West Hopkins Petroleum Co LPOil & Gas OperatorAug 2025
580West Inland Energy, Inc.Fort Worth, TX 76179Oil & Gas OperatorOct 2025
581West Kansas OilOil OperatorJul 1992
582West Kansas Oil CorporationOberlin, KS 67749Oil OperatorAug 1998
583West Largo CorpTulsa, OK 74137Oil & Gas OperatorSep 2023
584West Mountain Operating Co, Inc.Longview, TX 75604Oil & Gas OperatorFeb 2019
585West Newport Oil Co.Oil & Gas OperatorJul 2025
586West Oil Resources, LLCLiberty Hill, TX 78642Oil & Gas OperatorOct 2025
587West Operating CompanySeminole, OK 74868-3851Oil & Gas OperatorMar 2015
588West Petroleum Corp.San Antonio, TX 78205Oil & Gas OperatorOct 2009
589West Plains Enterprises, IncPlains, KS 67869Oil & Gas OperatorSep 2022
590West River Energy LLCPortville, NY 14770Oil & Gas OperatorDec 2024
591West Side Exploration, LLCOil & Gas OperatorJul 2025
592West Side RentalsOil & Gas OperatorJul 2025
593West Sunset Disposal, LLCAmarillo, TX 79159Oil OperatorOct 2003
594West Texas Diversified InterestsEastland, TX 76448Oil & Gas OperatorJun 2006
595West Texas Exploration Co.Graham, TX 76450Oil & Gas OperatorMay 1996
596West Texas Oil And Gas Corp.Houston, TX 77056Oil & Gas OperatorFeb 2014
597West Texas Oil And Gas Oper.,IncHouston, TX 77046Oil & Gas OperatorJul 2024
598West Texas Operating Co LLC D/B/A Xtreme Energy CoVictoria, TX 77902-2326Oil & Gas OperatorJul 2025
599West Texas Royalties, Inc.Graham, TX 76450Oil & Gas OperatorOct 2025
600West Texas Syndicate LLC.Corpus Chrsti, TX 78414Oil OperatorOct 2025