Oil & Gas Companies in Washington County, PA

Company NameCompany LocationCompany TypeMost Recent Production
1Antero Resources CorporationDenver, CO 80202Oil & Gas OperatorDec 2025
2Apollo Resources LLCVintondale, PA 15961-0222Oil & Gas OperatorFeb 2026
3Atlas Resources IncCoraopolis, PA 15108-0611Oil & Gas OperatorDec 2007
4Atlas Resources LLCPittsburgh, PA 15275-1033Oil & Gas OperatorJun 2018
5Belden & Blake CorporationNorth Canton, OH 44720Oil & Gas OperatorDec 2016
6Big Dog Energy LLCSewickley, PA 15143-8782Gas OperatorFeb 2026
7Blaze Oil & Gas IncWooster, OH 44691Oil & Gas OperatorDec 2024
8Bright Well Oil & Gas CoArmagh, PA 15920-0229Gas OperatorDec 2023
9Burkland William SLigonier, PA 15658-0467Oil & Gas OperatorDec 2010
10Carnegie Natural Gas CoPittsburgh, PA 15236-1435Gas OperatorDec 1991
11Carnegie Production CoCharleston, WV 25328Oil & Gas OperatorDec 2017
12Castle Gas Company IncPittsburgh, PA 15236-2466Oil & Gas OperatorDec 2007
13Cgas Expl IncColumbus, OH 43214-1862Oil & Gas OperatorDec 2006
14Chesapeake Appalachia, LLCOklahoma City, OK 73118Oil & Gas OperatorDec 2025
15CNX Gas Company LLCCanonsburg, PA 15317Oil & Gas OperatorFeb 2026
16Columbia Natural Res IncCharleston, WV 25362-0070Gas OperatorDec 2008
17Consol Gas CompanyCanonsburg, PA 15317Oil & Gas OperatorDec 2021
18D & B Gas Prod LLCKittanning, PA 16201-7123Oil & Gas OperatorDec 2025
19Dakota Oil & Gas CoDelmont, PA 15626-2408Oil & Gas OperatorDec 2025
20Dallas Energy LLCBradford, PA 16701Oil & Gas OperatorDec 2025
21Developed Resources IncCheswick, PA 15024-1351Oil & Gas OperatorDec 2025
22Diversified Oil & Gas LLCJackson Center, PA 16133Oil & Gas OperatorFeb 2026
23Diversified Production LLCKeithville, LA 71047Oil & Gas OperatorMay 2026
24Dorso EnergyWexford, PA 15090Oil & Gas OperatorDec 2004
25Dorso LLCWexford, PA 15090-8758Oil & Gas OperatorDec 2005
26Dorso LPWexford, PA 15090-8314Oil & Gas OperatorDec 2024
27Dunn Joseph LWashington, PA 15301-6404Oil & Gas OperatorDec 2025
28Eagle Resources CorpCranberry TWP, PA 16066-0791Oil & Gas OperatorDec 2012
29East Resources MGMT LLCWarrendale, PA 15086-7528Oil & Gas OperatorDec 2010
30East Resources, Inc.Sewickley, PA 15143Oil & Gas OperatorDec 2021
31Ej Brumage & Ra PultorakWaynesburg, PA 15370-2434Gas OperatorDec 2018
32Enervest Opr LLCCharleston, WV 25301-1782Oil & Gas OperatorDec 2019
33Eqt Chap, LLCCanonsburg, PA 15317-1000Oil & Gas OperatorFeb 2026
34Eqt Production CompanyPittsburg, PA 15222Oil & Gas OperatorFeb 2026
35Equitable Gas CompanyPittsburgh, PA 15212-5352Gas OperatorDec 2013
36Equitable Prod Eastern States Exploration IncSnow Shoe, PA 16874-0178Gas OperatorDec 2001
37Equitable Resources Energy CompanyBig Stone Gap, VA 24219Oil & Gas OperatorDec 1997
38Equitrans IncCannonsburg, PA 15317Oil & Gas OperatorDec 2018
39Equitrans, L. P.Cannonsburg, PA 15317Oil & Gas OperatorJul 2021
40Exco Resources (Pa), LLCMontoursville, PA 17754-2235Oil & Gas OperatorFeb 2026
41Exco Resources Pa IncWarrendale, PA 15086-6501Oil & Gas OperatorDec 2011
42Expand Oper LLCMorgantown, WV 26508Oil & Gas OperatorFeb 2026
43Frank L Washabaugh Oil ProducersImperial, PA 15126-1050Oil & Gas OperatorDec 2010
44Graham Michael DOakdale, PA 15071-1088Oil & Gas OperatorDec 2021
45Hayden Harper Energy Ka, LLCCharlotte, NC 28203-4173Oil & Gas OperatorDec 2021
46HG Energy II Appalachia, LLCOil & Gas OperatorMar 2022
47Indian Hill Gas Co IncFayette City, PA 15438-1203Oil & Gas OperatorDec 2025
48Interstate Gas MKT IncIndiana, PA 15701Oil & Gas OperatorDec 2018
49Iron Pennsylvania Land LLCWaynesburg, PA 15370Gas OperatorDec 2025
50Jesmar Energy IncHolbrook, PA 15341-1318Oil & Gas OperatorDec 2025
51JJ Bucher Producing CorpWellsville, NY 14895Oil & Gas OperatorDec 2025
52K. Petroleum, Inc.Gahanna, OH 43230Oil & Gas OperatorFeb 2026
53Kastle Resources Enterprises IncWooster, OH 44691Oil & Gas OperatorDec 2025
54Keyrock Energy LLCJohnson City, TN 37604-5749Oil & Gas OperatorDec 2024
55Kriebel Minerals IncClarion, PA 16214-6161Oil & Gas OperatorDec 2020
56Kriebel Natural Gas Co LLCClarion, PA 16214-6161Oil & Gas OperatorDec 2025
57Kyle Energy Inc NVApollo, PA 15613-0249Gas OperatorDec 1996
58Leatherwood, LLCCanonsburg, PA 15317-6506Oil & Gas OperatorDec 2023
59Lee Lynn MGMT CoIndiana, PA 15701-3400Oil & Gas OperatorDec 1991
60Loan Asset Issuer LLC, Series 2021 NG-1New York, NY 10022Oil & Gas OperatorFeb 2026
61MTN V Oil & Gas IncIndiana, PA 15701-8914Oil & Gas OperatorFeb 2026
62New Century Energy IncMC Donald, PA 15057-2163Oil & Gas OperatorDec 2021
63Noble Energy IncMidland, TX 79706Oil & Gas OperatorMay 2026
64North Star Energy Resources LLCWaynesburg, PA 15370-3833Gas OperatorDec 2025
65Oil & Gas MGMT IncMount Pleasant, PA 15666-3304Oil & Gas OperatorDec 2024
66Oil & Gas SVC IncReelsville, IN 46171-9686Gas OperatorDec 1991
67Onexxx Prod & Exploration CorpJeannette, PA 15644-9691Gas OperatorDec 2025
68Pa Land Holdings CorpWaynesburg, PA 15370-3020Oil & Gas OperatorDec 2011
69Pa Mineral SVCS LLCIndiana, PA 15701Oil & Gas OperatorDec 2025
70Patriot Exploration CorpStahlstown, PA 15687-1301Oil & Gas OperatorDec 2025
71PDC Mountaineer LLCBridgeport, WV 26330-9665Oil & Gas OperatorDec 2017
72Penneco Oil Company, Inc.Delmont, PA 15626-2408Oil & Gas OperatorDec 2025
73Pennzoil Prod CoVienna, WV 26105-2141Oil & Gas OperatorDec 2000
74Peoples Natural Gas Co LLCPittsburgh, PA 15212Gas OperatorDec 2016
75Petro Dev CorpBridgeport, WV 26330-0026Oil & Gas OperatorDec 2013
76Petro SVC Partners IncIndiana, PA 15701-8556Oil & Gas OperatorDec 2025
77Phillips Exploration IncWarrendale, PA 15086Oil & Gas OperatorDec 2012
78Phoenix Energy Prod IncFreeport, PA 16229-1126Oil & Gas OperatorDec 2025
79Pillar Energy Pa LLCCharleston, WV 25312-5987Oil & Gas OperatorDec 2025
80Pin Oak Energy Partners LLCAkron, OH 44311Oil & Gas OperatorFeb 2026
81Power Gas MKT & Trans IncAkron, OH 44311-1062Oil & Gas OperatorDec 2008
82Range Resources Appalachia LLCCanonsburg, PA 15317Oil & Gas OperatorFeb 2026
83Rannuff Oil & Gas CoWaynesburg, PA 15370-1437Oil & Gas OperatorDec 2025
84Rejiss AssocBraddock, PA 15104-1948Oil & Gas OperatorDec 2009
85Rejiss Assoc Holdings LLCBraddock, PA 15104-1948Gas OperatorDec 2025
86Rice Drilling B LLCCanonsburg, PA 15317-1000Gas OperatorFeb 2026
87Richard H BurklandLemont Furnace, PA 15456-0073Oil & Gas OperatorDec 2012
88Rocksauce Opr LLCCanonsburg, PA 15317-3906Oil & Gas OperatorDec 2025
89Southwestern Energy Prod CoHouston, TX 77032Oil & Gas OperatorJun 2015
90Stone Ridge Energy LLCUniontown, PA 15401-6831Oil & Gas OperatorFeb 2026
91Swepi LPHouston, TX 77079Oil & Gas OperatorJul 2020
92SWN Production Company, LLCSpring, TX 77391Oil & Gas OperatorDec 2025
93T & F Exploration, LPPittsburgh, PA 15241-1375Oil & Gas OperatorOct 2025
94The Production CoLigonier, PA 15658-0467Oil & Gas OperatorDec 2012
95The Production Co LLCLigonier, PA 15658-0467Oil & Gas OperatorDec 2020
96Vernard L ShumakerApollo, PA 15613-0249Gas OperatorDec 2025
97Viking Resources CorpDeerfield, OH 44411-0160Oil & Gas OperatorDec 2007
98Viking Resources LLCUniontown, OH 44685Oil & Gas OperatorDec 2017
99Washington Energy Co LLCCanonsburg, PA 15317-0400Oil & Gas OperatorDec 2024
100XTO Energy Inc.Spring, TX 77389Oil & Gas OperatorMay 2026