Oil & Gas Companies

Company NameCompany LocationCompany TypeMost Recent Production
1Z & L Oil LLCLongton, KS 67352Oil OperatorMar 2025
2Z & S Construction Co IncKimball, NE 69145Oil & Gas OperatorJun 2025
3Z C Ambrose-G L Blaxton, Jr.Oil & Gas OperatorApr 1983
4Z G Operating LLCOklahoma City, OK 73134-5038Oil & Gas OperatorNov 2009
5Z G Exploration IncOklahoma City, OK 73112Oil & Gas OperatorFeb 2005
6Z&G OperatingWichita Falls, TX 76302Oil OperatorSep 2011
7Z/F Little Buddy, L.P.Tyler, TX 75710Oil & Gas OperatorSep 2000
8Zachary Oil Operating CompanyFort Worth, TX 76102Oil & Gas OperatorJul 2023
9Zachris, Inc.Mansfield, TX 76063Oil OperatorOct 2021
10Zachry Exploration, Inc.San Antonio, TX 78205Oil & Gas OperatorJul 2025
11Zachry Exploration, LLCSan Antonio, TX 78224Oil & Gas OperatorJul 2025
12Zachry Exploration, LTD.San Antonio, TX 78205Oil & Gas OperatorJan 2009
13Zachry Oil And Gas PropertiesMidland, TX 79708Oil & Gas OperatorJul 2025
14Zachry OperatingMidland, TX 79708Oil & Gas OperatorJan 2011
15Zachry, H. B. CompanySan Antonio, TX 78205Oil & Gas OperatorApr 1994
16Zackson Resources, Inc.Houston, TX 77063Oil & Gas OperatorJul 2025
17Zad, Inc.Oil OperatorMay 2001
18Zadeck Energy GroupShreveport, LA 71101Oil & Gas OperatorDec 2011
19Zadeck Energy Group IncOil & Gas OperatorDec 2011
20Zaf OilSan Antonio, TX 78230Oil & Gas OperatorAug 2002
21Zafar Oil & Gas, Inc.Oklahoma City, OK 73132Oil OperatorAug 2013
22Zagava, LLCBreckenridge, TX 76424Oil & Gas OperatorJul 2025
23Zajac Oil Co.Electra, TX 76360Oil & Gas OperatorJul 2025
24Zam'S Production CompanyOil OperatorSep 2004
25Zama Petro IncClinton, WA 98236-0100Oil & Gas OperatorDec 2024
26Zap Oil CompanyNowata, OK 74048-2640Oil & Gas OperatorNov 2005
27Zapata-Fender, L. L. C.Tyler, TX 75710Oil & Gas OperatorApr 2001
28Zargon Oil (ND) Inc.Oil & Gas OperatorMay 2025
29Zarvona Energy LLCHouston, TX 77002Oil & Gas OperatorJul 2025
30Zavala Independent Gas, Inc.San Antonio, TX 78217Oil & Gas OperatorOct 2007
31Zavanna Resources LLCDenver, CO 80202Oil & Gas OperatorJan 2025
32Zavanna, LLCOil & Gas OperatorMay 2025
33Zaveri Oil & Gas LTDAlbany, KY 42602Oil OperatorDec 2006
34Zaza Energy, LLCHouston, TX 77010Oil & Gas OperatorJul 2025
35Zca Gas Gathering Co., Inc.Bartlesville, OK 74003Oil & Gas OperatorApr 2020
36Zeagler Enterprises, Inc.Oil & Gas OperatorJun 2008
37Zeal Production CompanySperry, OK 74073-4714Oil & Gas OperatorMay 2025
38Zebra Oil And GasLubbock, TX 79423Oil & Gas OperatorAug 2002
39Zebra Oil CompanyEl Campo, TX 77437Oil & Gas OperatorJul 2025
40Zeiders Bros Oil & Gas Co LLCEdmond, OK 73003Oil & Gas OperatorApr 2025
41Zeit Exploration Co., Inc.Oil & Gas OperatorMay 1994
42Zelaya Oil And Gas, LLCPremont, TX 78375Oil & Gas OperatorJul 2025
43Zenergy IncTulsa, OK 74136Oil & Gas OperatorMay 2025
44Zenergy Operating Co.Oil & Gas OperatorSep 2023
45Zenergy Operating Company, LLCTulsa, OK 74136Oil & Gas OperatorDec 2016
46Zenith DrillingOil & Gas OperatorAug 1995
47Zenith Drilling CorporationWichita, KS 67206Oil & Gas OperatorMar 2025
48Zenith Exploration Co IncWashington, PA 15301Oil & Gas OperatorDec 2014
49Zenith Oil & Gas IncMT Gilead, OH 43338Oil & Gas OperatorDec 1999
50Zenith Oil & Gas, LLCKilgore, TX 75663Oil & Gas OperatorMay 2025
51Zenithal LLCIsonville, KY 41149Oil & Gas OperatorDec 2023
52Zephyr Lone Star Oper Co.,L.L.C.Oklahoma City, OK 73118Oil & Gas OperatorJul 2025
53Zephyr Operating Co LLCOklahoma City, OK 73118-6035Oil & Gas OperatorApr 2025
54Zephyr SWD LLCOklahoma City, OK 73118-6035Oil OperatorApr 2025
55Zerbst James EOil & Gas OperatorApr 2007
56Zercon Oil & Gas, Inc.Oil OperatorOct 2003
57Zero Mass Mining, LLCOil OperatorJan 2025
58Zeta Energy LLCAshland, OR 97520Oil OperatorMar 2025
59Zetetic Partners, LTD.Georgetown, TX 78626Oil OperatorDec 2018
60Zgen, Inc.Oil & Gas OperatorJul 1990
61Zia Energy IncThe Woodlands, TX 77380Oil & Gas OperatorMay 2005
62Zia Minerals LTD CoAndrews, TX 79714Oil & Gas OperatorSep 1996
63Zickefoose, R. L. And W.F.Burgettstown, PA 15021Oil & Gas OperatorDec 2021
64Ziegler-Peru, Inc.Houston, TX 77027Oil & Gas OperatorDec 2019
65Zielinski, Jason H.Fredonia, NY 14063Gas OperatorDec 2024
66Zilhaver Brian KCambridge Springs, PA 16403-4114Gas OperatorDec 2024
67Zilkha Energy CompanyHouston, TX 77046Oil & Gas OperatorOct 2002
68Zilkha Energy IncHouston, TX 77002-5223Oil & Gas OperatorDec 2008
69Zim Energy CorporationTulsa, OK 74153Oil & Gas OperatorJan 1998
70Zimco (Robt A Zimmerman)Wolf Point, MT 59201Oil OperatorApr 2009
71Zimmerman Oil & Gas Exploration, Inc.Lovington, NM 88260Oil & Gas OperatorApr 2025
72Zimmerman, Aaron W.Penn Yan, NY 14527Gas OperatorDec 2024
73Zimmerman, IVan L. & Lois N.Penn Yan, NY 14527Gas OperatorDec 2024
74Zimmerman, Jon C., IIFreeland, MI 48623Gas OperatorDec 2024
75Zimtex Energy LLCPerryton, TX 79070-5818Oil & Gas OperatorNov 2017
76Zingara Grimes, LLCDallas, TX 75205Oil & Gas OperatorJul 2025
77Zink Petroleum CorpUniontown, OH 44685Oil & Gas OperatorDec 1993
78Zinke & Trumbo LOil & Gas OperatorNov 2000
79Zinke & Trumbo LTDTulsa, OK 74105Oil & Gas OperatorSep 2017
80Zinke & Trumbo, Inc.Tulsa, OK 74136Oil & Gas OperatorMar 2007
81Zinn Petroleum Co.Houston, TX 77024Oil & Gas OperatorNov 2021
82Zinszer Oil Co., Inc.Hays, KS 67601Oil OperatorDec 2019
83Zinszer Oil CompOil OperatorAug 1985
84Zion Energy CorporationPeru, KS 67360Oil OperatorAug 2000
85Zittel, Kenneth D.Springville, NY 14141Gas OperatorDec 2024
86Zivney EnergyWhite Oak, TX 75693Oil & Gas OperatorJul 2025
87ZK Petroleum Co., L.L.C.Houston, TX 77057Oil OperatorJul 2025
88Zlab, AdolphYates Center, KS 66783Oil OperatorJul 1997
89Zlomek, JohnBelmont, NY 14813Oil & Gas OperatorDec 2024
90Zoandra PetroleuOil & Gas OperatorMay 1993
91Zoe Oil & Energy, LPFort Worth, TX 76148Oil & Gas OperatorJul 2025
92Zoller & Danneberg IncDenver, CO 80203Oil & Gas OperatorMay 1975
93Zollinger VeldonCresent, OK 73028Oil & Gas OperatorApr 2009
94Zollinger Veldon IncCrescent, OK 73028-9280Oil & Gas OperatorNov 2018
95Zonal Holding Corp.Oil OperatorDec 1998
96Zone Energy, LLCHouston, TX 77251Oil & Gas OperatorJan 2025
97Zoran Oil & GasJefferson, OH 44047Oil & Gas OperatorDec 2011
98Zoran Oil & Gas CoJefferson, OH 44047Oil & Gas OperatorDec 2024
99Zorger, Gerald W.Wichita, KS 67202Oil & Gas OperatorApr 1985
100Zorra Oil & GasDilley, TX 78017Oil & Gas OperatorJul 2025