1 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
2 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
3 | Sabine Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Jul 1996 |
4 | Sabine Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
5 | Sabine Production Company | | Oil & Gas Operator | Oct 1990 |
6 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Apr 2024 |
7 | Sage Petroleum LLC | Casper, WY 82601 | Oil Operator | Jun 2008 |
8 | Salt Creek Operating LLC | FT Morgan, CO 80701 | Oil & Gas Operator | Mar 2020 |
9 | Salt Creek West Partners | | Oil Operator | Jul 1995 |
10 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
11 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Feb 2024 |
12 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2024 |
13 | Samson Resources Company LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2021 |
14 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 2024 |
15 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
16 | Sands Oil Company Inc | Billings, MT 59103 | Oil & Gas Operator | Feb 2024 |
17 | Sands-American Corp | | Oil & Gas Operator | Jan 1990 |
18 | Santa Rosa Petroleum LLC | Recluse, WY 82725 | Oil & Gas Operator | Feb 2024 |
19 | Sauer Bill Oil & Gas Company LLC | Casper, WY 82604 | Oil & Gas Operator | Jun 1999 |
20 | Saxon Oil Company | Dallas, TX 75204 | Oil & Gas Operator | Oct 2009 |
21 | Sayers Operating Company | Midland, TX 79705 | Oil & Gas Operator | Feb 2005 |
22 | Scana Petroleum Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 2013 |
23 | Scarlett Energy Enterprises LLC | Watchung, NJ 07069 | Oil & Gas Operator | Oct 2014 |
24 | Sceptre Resources Inc | | Oil & Gas Operator | Dec 2007 |
25 | Schiff & Jackson Oil Producers | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
26 | Schlaikjer A L | | Oil Operator | Feb 1997 |
27 | Schmid Properties Inc | Hico, TX 76457 | Oil & Gas Operator | Apr 2024 |
28 | Schneider Oil Corporation | Broomfield, CO 80020 | Oil & Gas Operator | Aug 2009 |
29 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
30 | Seahawk Oil International Inc | Newport Beach, CA 92660 | Oil & Gas Operator | Oct 1997 |
31 | Seedy Draw LLC | Greenwood VIllage, CO 80111 | Oil Operator | Jan 2024 |
32 | Seer Operating LLC | Sheridan, WY 82801 | Oil & Gas Operator | Oct 2016 |
33 | Seguro Oil & Gas Inc | | Oil Operator | Jul 1992 |
34 | Seven Sisters Oil & Gas LLC | Casper, WY 82602 | Oil & Gas Operator | Jan 2022 |
35 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
36 | Sharkey Well Service Inc | | Oil Operator | Dec 2023 |
37 | Sharples Phillip T Trust | Denver, CO 80264 | Oil & Gas Operator | Nov 2020 |
38 | Shelco | Maysville, MO 64469 | Oil & Gas Operator | May 2021 |
39 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
40 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
41 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
42 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2023 |
43 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
44 | Sierra Trading Corporation | | Oil & Gas Operator | Sep 1978 |
45 | Signal Hill Company LLC | Cody, WY 82414 | Oil & Gas Operator | Feb 2024 |
46 | Silverado Oil Inc | Greeley, CO 80631 | Oil Operator | Apr 2000 |
47 | Simasko Production Co | Denver, CO 80204 | Oil & Gas Operator | Nov 1997 |
48 | Simon Oil LLC | Kaycee, WY 82639 | Oil Operator | Dec 2023 |
49 | Simray Production Company LP | Richland, TX 75080 | Oil & Gas Operator | Dec 2010 |
50 | Six Bar Oil LLC | Pine Haven, WY 82721 | Oil Operator | Feb 2024 |
51 | Skidgel Enterprises Inc | Rawlins, WY 82301 | Oil & Gas Operator | Sep 2018 |
52 | Skinner Corporation | | Oil Operator | Apr 1985 |
53 | Skinner Oil & Gas LLC | Gillette, WY 82717 | Oil & Gas Operator | Jan 2024 |
54 | Skinner'S Resources & Expl Inc | | Oil & Gas Operator | Jun 2007 |
55 | Sklar Exploration Company LLC | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2024 |
56 | Skull Creek A LLC | Douglas, WY 82633 | Oil & Gas Operator | Jan 2024 |
57 | Skyline Oil Company | Salt Lake City, UT 84111 | Oil & Gas Operator | Jan 1987 |
58 | Slaughter J M Oil Company | Fort Worth, TX 76116 | Oil & Gas Operator | Jan 2001 |
59 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
60 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
61 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
62 | Smith Conley P Operating Co | Eglewood, CO 80112-3640 | Oil & Gas Operator | Jun 2000 |
63 | Smith Kevin | Thermopolis, WY 82443 | Oil Operator | Apr 2023 |
64 | Smith Red Plains Production LLC | | Oil Operator | Feb 2024 |
65 | Smokey Oil Company Inc | Casper, WY 82601 | Oil & Gas Operator | Dec 1996 |
66 | Snowy Owl LLC | Gillette, WY 82717 | Oil & Gas Operator | Feb 2024 |
67 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
68 | Sois-Osage Inc | | Oil & Gas Operator | Oct 2006 |
69 | Solar Petroleum Inc | | Oil Operator | May 1983 |
70 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
71 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
72 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
73 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Feb 2024 |
74 | Sourcegas Energy Services Co | Golden, CO 80401 | Gas Operator | Jun 2015 |
75 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
76 | South Pass Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Feb 2024 |
77 | Southern Mineral Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2001 |
78 | Southern Oil LLC | Smackover, AR 71762 | Oil & Gas Operator | May 2022 |
79 | Southern States Petroleum Corp | | Oil Operator | Jan 1984 |
80 | Southern Union Exploration | | Oil Operator | Jan 1990 |
81 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
82 | Southland Royalty Company LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2021 |
83 | Southport Exploration Inc | Tulsa, OK 74103-4015 | Oil & Gas Operator | Nov 1998 |
84 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
85 | Southwestern Production Corporation | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2024 |
86 | Spellbound Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2024 |
87 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
88 | Spring Valley Development Co LLC | Centennial, CO 80014 | Oil & Gas Operator | Feb 2024 |
89 | St Michael Exploration | | Oil & Gas Operator | Jun 1987 |
90 | St Oil Company | Denver, CO 80264-2101 | Oil & Gas Operator | Dec 2010 |
91 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
92 | Stag Oil Producers Inc | Midland, TX 79701 | Oil & Gas Operator | Jan 1998 |
93 | Stanco Petroleum Inc | Kimball, NE 69145 | Oil & Gas Operator | Jul 1999 |
94 | Star Oil Operating Company LLC | Centennial, CO 80112 | Oil Operator | Jan 2024 |
95 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
96 | States Exploration Inc | | Oil Operator | Jul 1985 |
97 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
98 | Stealth Energy Inc | Billings, MT 59101 | Oil Operator | Dec 2011 |
99 | Stealth Energy USA Inc | Billings, MT 59104 | Oil Operator | Dec 2017 |
100 | Steamboat Oil And Gas LLC | Gillette, WY 82717 | Oil Operator | Feb 2024 |