| 1 | S & B Oil Company | Wyonna, OK 74084 | Oil & Gas Operator | Nov 2005 |
| 2 | S & B Oil Oper - | | Oil Operator | Dec 1996 |
| 3 | S & B Operating LLC | Overland Park, KS 66202 | Oil Operator | Apr 2022 |
| 4 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Nov 2024 |
| 5 | S & C Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2021 |
| 6 | S & C Oil Co. Inc. | | Oil & Gas Operator | Sep 2024 |
| 7 | S & C Resources Inc | Cleveland, OK 74020 | Oil Operator | Aug 2024 |
| 8 | S & D Energy Associates Inc. | | Gas Operator | Dec 1986 |
| 9 | S & D Partnership | Eunice, NM 88231 | Oil Operator | Aug 2024 |
| 10 | S & F Energy LLC | Ponca City, OK 74601-1618 | Oil Operator | Aug 2024 |
| 11 | S & G Operating LLC | McLoud, OK 74851 | Oil & Gas Operator | Sep 2024 |
| 12 | S & H Oil Company | Vernon, TX 76384 | Oil & Gas Operator | Sep 1999 |
| 13 | S & H Oilfield Enterprises | | Oil & Gas Operator | Sep 2023 |
| 14 | S & H Resources | Abilene, TX 79605 | Oil & Gas Operator | Nov 2024 |
| 15 | S & H Tank Service Of Okla | Lindsay, OK 73052 | Oil & Gas Operator | Mar 2017 |
| 16 | S & H Wells | Iowa Park, TX 76367 | Oil Operator | Nov 2024 |
| 17 | S & J Oil | Hays, KS 67601 | Oil & Gas Operator | Aug 2024 |
| 18 | S & J Oil & Gas Co | Aztec, NM 87410 | Gas Operator | Aug 2022 |
| 19 | S & J Oil Company | Ellinwood, KS 67526 | Oil Operator | Jun 2000 |
| 20 | S & J Operating | | Oil Operator | May 1989 |
| 21 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 22 | S & JB, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2010 |
| 23 | S & K Oil Compan | | Oil Operator | Sep 1989 |
| 24 | S & K Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jul 1994 |
| 25 | S & K Oil Production, Inc. | Blue Mound, KS 66010 | Oil Operator | Jul 2024 |
| 26 | S & L Energy, Inc.C/O John D. Lawrence, Jr. | Fishtail, MT 59028 | Oil Operator | Jun 2024 |
| 27 | S & L Oil Field Services | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jan 1999 |
| 28 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 29 | S & M Oil | Hays, KS 67601 | Oil Operator | Aug 2003 |
| 30 | S & M Oil - Craw | | Oil Operator | Dec 1995 |
| 31 | S & M Production Inc | Pawnee, OK 74058 | Oil & Gas Operator | Aug 2023 |
| 32 | S & M Royalty | Andrews, TX 79714 | Oil & Gas Operator | Jan 1997 |
| 33 | S & N Energies, Inc. | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2002 |
| 34 | S & P Energy | Benbrook, TX 76126 | Oil & Gas Operator | Oct 1994 |
| 35 | S & P Energy, Inc. | Benbrook, TX 76126 | Oil & Gas Operator | Aug 2003 |
| 36 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 37 | S & R Operating | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 38 | S & S & H Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jul 2004 |
| 39 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |
| 40 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 41 | S & S Oil | Ponca City, OK 74601 | Oil & Gas Operator | Dec 2009 |
| 42 | S & S Oil & Gas Corporation | Okemah, OK 74859-0659 | Oil & Gas Operator | Sep 2014 |
| 43 | S & S Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Jul 2016 |
| 44 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Nov 2024 |
| 45 | S & S Oil Company LLC | | Oil Operator | Sep 2024 |
| 46 | S & S Oil Leasing | Chase, KS 67524 | Oil Operator | Jul 2024 |
| 47 | S & S Oil, L.L.C. | Chase, KS 67524 | Oil Operator | Jul 2024 |
| 48 | S & S Operating | Dumas, TX 79029 | Oil Operator | Nov 2024 |
| 49 | S & S Operating Company, Inc. | Winnie, TX 77665 | Oil & Gas Operator | Nov 2024 |
| 50 | S & S Production Company | Walters, OK 73572-1451 | Oil Operator | Jul 2024 |
| 51 | S & S Production, LLC | Parkersburg, OH 26101 | Oil & Gas Operator | Aug 2021 |
| 52 | S & S Star Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2023 |
| 53 | S & S Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 1998 |
| 54 | S & T Oil Compan | | Oil Operator | Feb 1984 |
| 55 | S & T Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2001 |
| 56 | S & T SVC & Supply Inc | Pleasantville, PA 16341-2817 | Oil & Gas Operator | Dec 2023 |
| 57 | S & T SWD LLC | Clinton, OK 73601-3130 | Oil Operator | Feb 2017 |
| 58 | S & V Oil Incorp | | Oil & Gas Operator | Apr 1990 |
| 59 | S & V Operating | Zephyr, TX 76890 | Oil & Gas Operator | Nov 2024 |
| 60 | S & W Drilling C | | Oil Operator | May 1985 |
| 61 | S & W Engine Supply | Oklahoma City, OK 73107 | Oil Operator | Jun 2003 |
| 62 | S & W Engine Supply Inc | Oklahoma City, OK 73143 | Oil Operator | Jan 2000 |
| 63 | S & W Oil & Gas, LLC | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 64 | S & W Oil Compan | | Oil Operator | Dec 1986 |
| 65 | S & W Petroleum Consultants, Inc. | Broomfield, CO 80020 | Gas Operator | Feb 2004 |
| 66 | S & W Transports Inc | Velma, OK 73491 | Oil Operator | Jul 2024 |
| 67 | S & Y Production Co. | Liberty, TX 77575 | Oil & Gas Operator | Jul 1996 |
| 68 | S A C Operating Inc | Woodward, OK 73802-1749 | Oil & Gas Operator | Jan 1999 |
| 69 | S And B Gauging Services, LLC | Onalaska, TX 77360 | Oil Operator | Nov 2024 |
| 70 | S And M Liquid Tire Fill Inc | | Oil & Gas Operator | Aug 2024 |
| 71 | S C Z Oil Compan | | Oil & Gas Operator | Feb 1995 |
| 72 | S H Production LLC | Tulsa, OK 74130-1418 | Oil & Gas Operator | Sep 2024 |
| 73 | S M Brothers Investments LLC | Denver, CO 80210-6059 | Oil Operator | Aug 2024 |
| 74 | S M K Energy Corporation | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Nov 2024 |
| 75 | S N D Energy Company, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Nov 2024 |
| 76 | S O A L LLC | Farmington, NM 87499-2165 | Oil & Gas Operator | Oct 2022 |
| 77 | S O S Recovery Inc | Enid, OK 73703-2403 | Oil & Gas Operator | Jul 2023 |
| 78 | S O Utah | Irvine, CA 92715 | Oil & Gas Operator | Sep 1994 |
| 79 | S R W Inc | | Gas Operator | Aug 2017 |
| 80 | S R W Oil | Laverne, OK 73848 | Oil & Gas Operator | Sep 2024 |
| 81 | S S & T Oil, LLC | Smackover, AR 71762 | Oil Operator | Jun 2024 |
| 82 | S S M Partnership | | Oil & Gas Operator | Jul 1992 |
| 83 | S S S Energy Co | Stow, OH 44224 | Oil & Gas Operator | Dec 1989 |
| 84 | S T Industries Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2011 |
| 85 | S W Energy Corporation | Salt Lake City, UT 84102 | Oil & Gas Operator | May 2020 |
| 86 | S&B Petroleum Corporation | | Oil & Gas Operator | Jun 1994 |
| 87 | S&G Oil LLC | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 2024 |
| 88 | S&JB, LLC | Rockdale, TX 76567 | Oil & Gas Operator | Nov 2024 |
| 89 | S&S Heidrich | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2017 |
| 90 | S&S Williams Inc | | Oil Operator | May 2004 |
| 91 | S-2 Oil Company | | Oil Operator | Mar 1994 |
| 92 | S. A. Camp Companies | | Oil & Gas Operator | Dec 1998 |
| 93 | S. A. Oil Account | Borger, TX 79008 | Oil & Gas Operator | Dec 1997 |
| 94 | S. G. Myers, Jr. | | Oil & Gas Operator | May 2005 |
| 95 | S. G. Myers, Jr. Et Al | | Oil & Gas Operator | Jul 1991 |
| 96 | S. H. Montgomery | | Oil & Gas Operator | Dec 1996 |
| 97 | S. Lavon Evans Jr Inc, Et Al | | Oil & Gas Operator | Jan 2010 |
| 98 | S. Lavon Evans, Jr. Operating Co., Inc. | | Oil & Gas Operator | Aug 2014 |
| 99 | S. M. A. Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1997 |
| 100 | S. M. Reynolds Opr. | | Gas Operator | Dec 1990 |