Oil & Gas Companies in Harper County, OK

Company NameCompany LocationCompany TypeMost Recent Production
1H & L Operating Co LLPAmarillo, TX 79114Oil & Gas OperatorAug 2022
2H & L Operating CompanyAmarillo, TX 79114Oil & Gas OperatorFeb 2020
3Hadson Petroleum CorporationOklahoma City, OK 73102Oil & Gas OperatorMar 2015
4Halcon Holdings, Inc.Ada, OK 74820Oil & Gas OperatorNov 2018
5Hallwood Petroleum, Inc.Midland, TX 79701Oil & Gas OperatorAug 2024
6Harbor Resources LLCOklahoma City, OK 73120Oil & Gas OperatorDec 2024
7Harding & Shelton IncOklahoma City, OK 73104-2410Oil & Gas OperatorAug 2024
8Harding And Shelton Exploration LLCOklahoma City, OK 73101-1557Oil & Gas OperatorJul 2024
9Harken Exploration CompanyHouston, TX 77079Oil & Gas OperatorMar 2008
10Harrell Petroleum IncOklahoma City, OK 73102-7201Oil & Gas OperatorOct 2017
11Hartman Oil Company IncWichita, KS 67206Oil & Gas OperatorAug 2024
12Hawkins Oil & Gas IncTulsa, OK 74103Oil & Gas OperatorDec 2016
13Hazlewood Oil & Gas Co IncOklahoma City, OK 73139-9353Oil & Gas OperatorApr 2022
14HCMDallas, TX 75206Oil & Gas OperatorMar 2015
15Headington Oil CompanyDallas, TX 75231Oil & Gas OperatorDec 2016
16Headington Oil Company LLCDallas, TX 75204Oil & Gas OperatorApr 2016
17Heartland Environmental ServicesWatonga, OK 73080Oil & Gas OperatorMay 1999
18Helmerich & Payne, Inc.Tulsa, OK 74114Oil & Gas OperatorSep 2024
19Hennessey Oil & Gas LLCHennessey, OK 73742-0212Oil & Gas OperatorAug 2024
20Heritage Petroleum, Inc.Stillwater, OK 74076Oil & Gas OperatorDec 2024
21Herrman & IkenberryCushing, OK 74023-0247Oil & Gas OperatorDec 2003
22Hinkle Engineering, Inc.Oklahoma City, OK 73112Oil & Gas OperatorNov 2016
23Hodgden Operating Co., Inc.Enid, OK 73702Oil & Gas OperatorSep 2024
24Holke Dave Consulting IncMeridian, ID 83646-4812Oil & Gas OperatorAug 2024
25Hondo Oil & Gas CompanyRoswell, NM 88202Oil & Gas OperatorAug 2006
26Horizon Natural Gas CompanyTulsa, OK 74170Oil & Gas OperatorAug 2024
27Horizon Natural Resources, Inc.Tulsa, OK 74136Oil & Gas OperatorJan 2019
28Hosco Operating IncSeminole, OK 74868-2447Oil & Gas OperatorAug 2017
29HRB Operating Company IncBridgeport, TX 76426Oil & Gas OperatorDec 2024
30Huber J M CorpEdison, NJ 08837Oil & Gas OperatorDec 2024
31Hugoton Energy CorporationOklahoma City, OK 73113Oil & Gas OperatorDec 2019
32Hunt Oil CompanyDallas, TX 75201Oil & Gas OperatorDec 2024