Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
101H&P Oil & Gas LLCMertzon, TX 76941Oil & Gas OperatorOct 2025
102H&P OperatingMegargel, TX 76370Oil & Gas OperatorJan 2015
103H&S Production, LLCOil OperatorNov 2024
104H-30 IncorporateOil & Gas OperatorNov 1990
105H-30, Inc.Wichita, KS 67202Gas OperatorOct 2006
106H-40 Drilling, Inc.Medicine Lodge, KS 67104Gas OperatorJun 2025
107H-5 ServicePlainville, KS 67663Oil OperatorMay 1989
108H-D Oilfield Service, Inc.Bazine, KS 67516Oil OperatorJun 2025
109H-D Operating Services L.L.C.Pampa, TX 79065Oil OperatorOct 2025
110H-M Resource Management, Inc.Houston, TX 77055Oil & Gas OperatorFeb 2023
111H-Petro-R IncEdmond, OK 73013Oil & Gas OperatorApr 2025
112H-S ExplorationPerryton, TX 79070Oil & Gas OperatorOct 2025
113H-Two-O InvestmentsIowa Park, TX 76367Oil OperatorSep 2019
114H. & H. Development Co.Gas OperatorAug 2019
115H. & J. Drilling CompanyFort Worth, TX 76114Oil & Gas OperatorAug 2003
116H. & L. Oil CompanyMidland, TX 79707Oil & Gas OperatorMar 2005
117H. & N. Operating Co., Inc.Oil & Gas OperatorOct 1997
118H. A. HarperOil OperatorDec 1982
119H. B. McCulloughOil OperatorOct 2004
120H. Bryan Poff, LLCCedar Park, TX 78613Oil & Gas OperatorOct 2018
121H. C. Oil Co.Weatherford, TX 76085Oil & Gas OperatorOct 2025
122H. D. InvestmentsBreckenridge, TX 76424Oil & Gas OperatorMar 2025
123H. D. McCormickOil & Gas OperatorJun 2016
124H. E. SuttonOil & Gas OperatorJan 1990
125H. G. Oil OperatorOil OperatorMar 2001
126H. H. Blair Oil Company, Inc.Atlanta, KS 67008Oil OperatorDec 2009
127H. I. M. ProducersGraham, TX 76450Oil & Gas OperatorMay 1999
128H. I., Inc.Liberal, KS 67901Oil & Gas OperatorFeb 2012
129H. J. BonnerOil & Gas OperatorAug 1991
130H. K. BeebeOil OperatorJan 1990
131H. L. Brown, Jr.Midland, TX 79702Oil & Gas OperatorMay 2001
132H. L. HuntOil & Gas OperatorJun 1980
133H. L. McKee & J. P. McKee Jr.Gas OperatorMar 2023
134H. L. RicheyOil & Gas OperatorSep 1995
135H. O. Strickler OperatorOil & Gas OperatorDec 1993
136H. Olsen & Sons Contractors, Inc.Forestville, NY 14062Gas OperatorDec 2024
137H. Proler-Luffey Gas Corp.Gas OperatorApr 1979
138H. T. Hilliard & Co.Oil & Gas OperatorDec 1999
139H. W. Reynolds Jr.Gas OperatorDec 1984
140H.A.N. Operating IncorporatedClyde, TX 79510Oil & Gas OperatorAug 2016
141H.D. Smith, Inc.Waller, TX 77484Oil OperatorOct 2025
142H.E. Sutton, Et AlOil & Gas OperatorJan 1990
143H.E.R. Operating, LLCSilsbee, TX 77656Oil & Gas OperatorOct 2025
144H.E.X.T. Operating, LTD.Buna, TX 77612Oil OperatorMar 2024
145H.I.T. Resources, Inc.Arkansas City, KS 67005Oil OperatorJan 2007
146H.K.E.Stafford, TX 77497Oil & Gas OperatorOct 2025
147H.L. Clark Oil Company LLCWhitesboro, TX 76273Oil OperatorOct 2025
148H.L. Hall & Sons LLCOil & Gas OperatorDec 2011
149H.L.Hawkins &H.L.Hawkins, Jr.Oil & Gas OperatorFeb 1989
150H.L.S. Energy Co., Inc.Uvalde, TX 78801Oil & Gas OperatorAug 2003
151H.P. Slagel Producing Co., LLCSan Angelo, TX 76902Oil OperatorOct 2025
152H.T. Olsen Oil & Gas OperationsOil & Gas OperatorAug 2025
153H2oil Services LLCOil OperatorAug 2025
154H2ok LLCMarble Falls, TX 78654Oil & Gas OperatorJul 2025
155H2ox Operating LLCTulsa, OK 74103Oil OperatorJul 2025
156H3 Oil & GasOil & Gas OperatorJun 2025
157H3 Operating, LLCSpringtown, TX 76082Oil & Gas OperatorMay 2020
158Ha Goal IncIndiana, PA 15701-2664Oil & Gas OperatorDec 2018
159Ha.P.C. Oil, Inc.Gonzales, TX 78629Oil & Gas OperatorAug 2006
160Haack Operating CompanyTulsa, OK 74137Oil OperatorApr 2025
161Haas John LOil OperatorDec 2009
162Haas Petroleum, LLCPrairie VIllage, KS 66208Oil OperatorJun 2025
163Haas, C. F. Oil & Gas Inc.Corpus Chrsti, TX 78403Oil & Gas OperatorOct 2025
164Haas, Mark L.Kansas City, MO 67112Oil OperatorFeb 2013
165Haass Ranch Oil Company, LLCCastroville, TX 78009Oil OperatorOct 2025
166Habanero Oil & Gas Operating,LLCAustin, TX 78701Oil & Gas OperatorFeb 2018
167Haber Resources CorporationHouston, TX 77063Oil & Gas OperatorMar 1999
168Habetz Oilfield Saltwater Ser, IncOil OperatorDec 2024
169Habit PetroleumOil OperatorDec 2009
170Habit Petroleum, LLCHays, KS 67601Oil OperatorJun 2025
171Hackberry Production, Inc.Oil OperatorMar 1988
172Hacker Brothers Oil Company, IncMuenster, TX 76252Oil & Gas OperatorMay 2004
173Hacker Brothers Well Service,IncMuenster, TX 76252Oil & Gas OperatorOct 2025
174Hacker, Freddie J.Muenster, TX 76252Oil & Gas OperatorDec 2012
175Hacker, JackCoats, KS 67028Oil & Gas OperatorJun 2025
176Hackley Okla IncOil & Gas OperatorAug 1992
177Had-A-Call OilOil OperatorFeb 2017
178Hadaway Consult And Engineer,LLCCanadian, TX 79014Oil & Gas OperatorOct 2025
179Hadaway Consulting And Engineering LLCCanadian, TX 79014Oil & Gas OperatorJul 2025
180Hadaway Engineering IncCanadian, TX 79014Oil & Gas OperatorJul 2015
181Hadco LTDArdmore, OK 73401-6929Oil & Gas OperatorMar 2015
182Haddad & Brooks IncWashington, PA 15301Oil & Gas OperatorDec 2018
183Haddad Boynton, LLCJonesville, TX 75659Oil OperatorOct 2025
184Hadden, Pennell & RohretLakewood, CO 80228Oil OperatorNov 1994
185Haddock, Jack L.Hays, KS 67601Oil OperatorJun 2025
186Haddox Johnny COkemah, OK 74859-0254Oil OperatorApr 2020
187Haddox Petroleum CorpGas OperatorDec 2010
188Hadley OilNocona, TX 76255Oil OperatorJan 2014
189Hadley Oil Company, LLCNocona, TX 76255Oil OperatorOct 2025
190Hadley/Jackson Energy LLCLake Forest, IL 60045Oil & Gas OperatorAug 2025
191Hadson Energy Resources Corp.Houston, TX 77056Oil & Gas OperatorDec 1994
192Hadson Petro USA IncOil & Gas OperatorNov 2016
193Hadson PetroleumOil OperatorSep 1988
194Hadson Petroleum (USA), Inc.Oil & Gas OperatorDec 1992
195Hadson Petroleum CorporationOklahoma City, OK 73102Oil & Gas OperatorMar 2015
196Haessly Hardwood Lumber IncMarietta, OH 45750Oil & Gas OperatorDec 2024
197Hafer Run EnterpriseIndependence, KS 67301Oil OperatorOct 1997
198Haffaday Oil LLCOil OperatorJan 2025
199Haffner DanHoxie, KS 67740Oil OperatorJun 2025
200Haffner Poor Farms, LLCHoxie, KS 67740Oil OperatorMay 2025