1 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Jul 2024 |
2 | Z & S Construction Co Inc | Kimball, NE 69145 | Oil & Gas Operator | Oct 2024 |
3 | Z C Ambrose-G L Blaxton, Jr. | | Oil & Gas Operator | Mar 1980 |
4 | Z G Operating LLC | Oklahoma City, OK 73134-5038 | Oil & Gas Operator | Nov 2009 |
5 | Z G Exploration Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2005 |
6 | Z&G Operating | Wichita Falls, TX 76302 | Oil Operator | Sep 2011 |
7 | Z/F Little Buddy, L.P. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2000 |
8 | Zachary Oil Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
9 | Zachris, Inc. | Mansfield, TX 76063 | Oil Operator | Oct 2021 |
10 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2024 |
11 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Dec 2024 |
12 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
13 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | Dec 2024 |
14 | Zachry Operating | Midland, TX 79708 | Oil & Gas Operator | Jan 2011 |
15 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
16 | Zad, Inc. | | Oil Operator | Jun 2001 |
17 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
18 | Zadeck Energy Group Inc | | Oil & Gas Operator | Jun 2013 |
19 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |
20 | Zafar Oil & Gas, Inc. | Oklahoma City, OK 73132 | Oil Operator | Aug 2013 |
21 | Zagava, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2024 |
22 | Zajac Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Dec 2024 |
23 | Zam'S Production Company | | Oil Operator | Sep 2004 |
24 | Zama Petro Inc | Clinton, WA 98236-0100 | Oil & Gas Operator | Dec 2023 |
25 | Zap Oil Company | Nowata, OK 74048-2640 | Oil & Gas Operator | Nov 2005 |
26 | Zapata-Fender, L. L. C. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2001 |
27 | Zargon Oil (ND) Inc. | | Oil & Gas Operator | Oct 2024 |
28 | Zarko Exploration, LLC | | Gas Operator | Jun 2018 |
29 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
30 | Zavala Independent Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2007 |
31 | Zavanna Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2024 |
32 | Zavanna, LLC | | Oil & Gas Operator | Sep 2024 |
33 | Zaveri Oil & Gas LTD | Albany, KY 42602 | Oil Operator | Dec 2006 |
34 | Zaza Energy, LLC | Houston, TX 77010 | Oil & Gas Operator | Dec 2024 |
35 | Zca Gas Gathering Co., Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Apr 2020 |
36 | Zeagler Enterprises, Inc. | Shreveport, LA 71115 | Oil & Gas Operator | Mar 2009 |
37 | Zeal Production Company | Sperry, OK 74073-4714 | Oil & Gas Operator | Sep 2024 |
38 | Zebra Oil And Gas | Lubbock, TX 79423 | Oil & Gas Operator | Aug 2002 |
39 | Zebra Oil Company | El Campo, TX 77437 | Oil & Gas Operator | Dec 2024 |
40 | Zeiders Bros Oil & Gas Co LLC | Edmond, OK 73003 | Oil & Gas Operator | Aug 2024 |
41 | Zeit Exploration Co., Inc. | | Oil & Gas Operator | May 1994 |
42 | Zelaya Oil And Gas, LLC | Premont, TX 78375 | Oil & Gas Operator | Dec 2024 |
43 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2024 |
44 | Zenergy Operating Co. | | Oil & Gas Operator | Sep 2023 |
45 | Zenergy Operating Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2016 |
46 | Zenith Drilling | | Oil & Gas Operator | Aug 1995 |
47 | Zenith Drilling Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jul 2024 |
48 | Zenith Exploration Co Inc | Washington, PA 15301 | Oil & Gas Operator | Dec 2014 |
49 | Zenith Oil & Gas Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |
50 | Zenith Oil & Gas, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2024 |
51 | Zenithal LLC | Isonville, KY 41149 | Oil & Gas Operator | Dec 2022 |
52 | Zephyr Lone Star Oper Co.,L.L.C. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2024 |
53 | Zephyr Operating Co LLC | Oklahoma City, OK 73118-6035 | Oil & Gas Operator | Sep 2024 |
54 | Zephyr SWD LLC | Oklahoma City, OK 73118-6035 | Oil Operator | Aug 2024 |
55 | Zerbst James E | | Oil & Gas Operator | Apr 2007 |
56 | Zercon Oil & Gas, Inc. | | Oil Operator | Oct 2003 |
57 | Zeta Energy LLC | Ashland, OR 97520 | Oil Operator | Jul 2024 |
58 | Zetetic Partners, LTD. | Georgetown, TX 78626 | Oil Operator | Dec 2018 |
59 | Zgen, Inc. | | Oil & Gas Operator | Jul 1990 |
60 | Zia Energy Inc | The Woodlands, TX 77380 | Oil & Gas Operator | May 2005 |
61 | Zia Minerals LTD Co | Andrews, TX 79714 | Oil & Gas Operator | Sep 1996 |
62 | Zickefoose, R. L. And W.F. | Burgettstown, PA 15021-0000 | Oil & Gas Operator | Dec 2021 |
63 | Ziegler-Peru, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2019 |
64 | Zielke Contracting LLC | Balko, OK 73931-1187 | Oil Operator | Jun 2020 |
65 | Zilkha Energy Company | Houston, TX 77046 | Oil & Gas Operator | Oct 2002 |
66 | Zilkha Energy Inc | Houston, TX 77002-5223-5223 | Oil & Gas Operator | Dec 2008 |
67 | Zim Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Jan 1998 |
68 | Zimco (Robt A Zimmerman) | Wolf Point, MT 59201 | Oil Operator | Apr 2009 |
69 | Zimet Brothers Inc | | Oil Operator | Mar 2008 |
70 | Zimmerman Oil & Gas Exploration, Inc. | Lovington, NM 88260 | Oil & Gas Operator | Oct 2024 |
71 | Zimmerman, Aaron W. | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
72 | Zimmerman, IVan L. & Lois N. | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
73 | Zimmerman, Wayne W. And Pauline R. | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
74 | Zimtex Energy LLC | Perryton, TX 79070-5818 | Oil & Gas Operator | Nov 2017 |
75 | Zingara Grimes, LLC | Dallas, TX 75205 | Oil & Gas Operator | Dec 2024 |
76 | Zink Petroleum Corp | Uniontown, OH 44685 | Oil & Gas Operator | Dec 1993 |
77 | Zinke & Trumbo L | | Oil & Gas Operator | Nov 2000 |
78 | Zinke & Trumbo LTD | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2017 |
79 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |
80 | Zinn Petroleum Co. | Houston, TX 77024 | Oil & Gas Operator | Nov 2021 |
81 | Zinszer Oil Co., Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
82 | Zinszer Oil Comp | | Oil Operator | Aug 1985 |
83 | Zion Energy Corporation | Peru, KS 67360 | Oil Operator | Aug 2000 |
84 | Zittel, Kenneth D. | Springville, NY 14141 | Gas Operator | Dec 2023 |
85 | Zivney Energy | White Oak, TX 75693 | Oil & Gas Operator | Dec 2024 |
86 | ZK Petroleum Co., L.L.C. | Houston, TX 77057 | Oil Operator | Dec 2024 |
87 | Zlab, Adolph | Yates Center, KS 66783 | Oil Operator | Jul 1997 |
88 | Zlomek, John | Belmont, NY 14813 | Oil & Gas Operator | Dec 2023 |
89 | Zoandra Petroleu | | Oil & Gas Operator | May 1993 |
90 | Zoe Oil & Energy, LP | Fort Worth, TX 76148 | Oil & Gas Operator | Dec 2024 |
91 | Zoller & Danneberg Inc | Denver, CO 80203 | Oil & Gas Operator | May 1975 |
92 | Zollinger Veldon | Cresent, OK 73028 | Oil & Gas Operator | Apr 2009 |
93 | Zollinger Veldon Inc | Crescent, OK 73028-9280 | Oil & Gas Operator | Nov 2018 |
94 | Zonal Holding Corp. | | Oil Operator | Dec 1998 |
95 | Zone Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Jul 2024 |
96 | Zoran Oil & Gas | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2011 |
97 | Zoran Oil & Gas Co | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2023 |
98 | Zorger, Gerald W. | Wichita, KS 67202 | Oil & Gas Operator | Apr 1985 |
99 | Zorra Oil & Gas | Dilley, TX 78017 | Oil & Gas Operator | Dec 2024 |
100 | ZP Disposal Systems LLC | Kingfisher, OK 73750 | Oil Operator | Sep 2024 |