| 1001 | Shackelford Oil Co | Midland, TX 79707 | Oil & Gas Operator | Jan 2024 |
| 1002 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 1003 | Shafer David Oil Prod Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 1004 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Jan 2024 |
| 1005 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 1006 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 1007 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 1008 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 1009 | Sidwell Theodore R Jr | Thornville, OH 43076-0839-0839 | Oil & Gas Operator | Dec 1988 |
| 1010 | Simpson B T Jr | Orlando, FL 32806 | Oil & Gas Operator | Dec 1986 |
| 1011 | Skyway Energy LLC | Leesburg, OH 34748 | Oil & Gas Operator | Dec 2020 |
| 1012 | Smail Denny Lee | Gretna, LA 70056 | Oil & Gas Operator | Dec 2023 |
| 1013 | Smith C/Dba Sandy Supply | North FT Myers, FL 33903 | Oil & Gas Operator | Dec 1988 |
| 1014 | Smith Management Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1992 |
| 1015 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2023 |
| 1016 | Smith T W | Jeromesville, OH 44840 | Oil Operator | Dec 2016 |
| 1017 | Smithberger John D | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 1018 | Snider Brothers | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2015 |
| 1019 | Snider Russell E | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 1020 | Snyder Oper Partnership | FT Worth, TX 76102 | Gas Operator | Dec 1988 |
| 1021 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2023 |
| 1022 | South Shore Energy LLC | Geneva, OH 44041-0800-0800 | Oil & Gas Operator | Dec 2023 |
| 1023 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2022 |
| 1024 | Sowers William & Sara | Blue Rock, OH 43720 | Oil Operator | Dec 2022 |
| 1025 | Sparks Harold | Radnor, OH 43066 | Oil & Gas Operator | Dec 1987 |
| 1026 | Sparta Energy Corp | Oak Brook, IL 60521 | Oil & Gas Operator | Dec 1985 |
| 1027 | Spectrum Oil Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 1028 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 1029 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 1030 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 1031 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 1032 | Springer Energy Company, LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2022 |
| 1033 | St Croix LTD | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2022 |
| 1034 | St. Clair Oil Co. | St Clairsville, OH 43950 | Oil & Gas Operator | Dec 1997 |
| 1035 | Stach Enterprises LLC | Nashport, OH 43830 | Oil & Gas Operator | Dec 2021 |
| 1036 | Stachler William L | Danville, OH 43014 | Oil & Gas Operator | Dec 1989 |
| 1037 | Stackhouse Construction Inc | Orwell, OH 44076 | Oil & Gas Operator | Dec 2023 |
| 1038 | Standard Oil Co Of WV | Parkersburg, WV 26103 | Oil & Gas Operator | Dec 2022 |
| 1039 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2022 |
| 1040 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 1041 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Apr 2024 |
| 1042 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2021 |
| 1043 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 1044 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 1045 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 1046 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 1047 | Stocker & Sitler Inc | Columbus, OH 43214-0981-0981 | Oil & Gas Operator | Dec 2002 |
| 1048 | Stonebridge Operating Co LLC | Marietta, OH 45750-0060-0060 | Oil & Gas Operator | Dec 2022 |
| 1049 | Stonewall Gas Co | Jane Lew, WV 26378-80-80 | Oil & Gas Operator | Dec 1999 |
| 1050 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 1051 | Stright Roger | Amesville, OH 45711 | Oil & Gas Operator | Dec 2016 |
| 1052 | Striker Robert E | Rogers, OH 44455 | Oil & Gas Operator | Dec 2023 |
| 1053 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 1054 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2022 |
| 1055 | Sutton Enterprises Inc | New Philadelphi, OH 44663-863-863 | Oil & Gas Operator | Dec 1996 |
| 1056 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2022 |
| 1057 | SWN Production (Ohio), LLC | Morgantown, WV 26508 | Oil & Gas Operator | Dec 2023 |
| 1058 | T B Drilling Co | Moxahala, OH 43761 | Oil & Gas Operator | Dec 1998 |
| 1059 | T JS Oil & Gas Inc | Fresno, OH 43824 | Oil & Gas Operator | Dec 2021 |
| 1060 | T&T Energy LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 1061 | Talbott Oil & Gas Co | Tuppers Plains, OH 45783 | Oil & Gas Operator | Dec 2000 |
| 1062 | Tansky J/Tansky Oil Prod | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 1063 | Target Engery Corp | Brecksville, OH 44141 | Oil & Gas Operator | Dec 1992 |
| 1064 | Tatco Petroleum Oper Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 1989 |
| 1065 | Tatum Petroleum Co LLC | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2018 |
| 1066 | Tatum Petroleum Corporation | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2008 |
| 1067 | Taylor Lee | MT Gilead, OH 43338 | Oil Operator | Dec 1993 |
| 1068 | Teagarden David W | Glenford, OH 43739 | Oil & Gas Operator | Dec 2020 |
| 1069 | Temple Oil & Gas Co | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2023 |
| 1070 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |
| 1071 | Terrascan Drilling Corp | Dublin, OH 43017 | Oil Operator | Dec 2005 |
| 1072 | Terrgin Oil & Gas LLC | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2021 |
| 1073 | Tex-Hio Energy | Terrell, TX 75156 | Oil & Gas Operator | Dec 1997 |
| 1074 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 1075 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 1076 | The A I Root Company | Medina, OH 44256 | Gas Operator | Dec 2023 |
| 1077 | The Edward H Everett Company | Newark, OH 43055 | Oil & Gas Operator | Dec 2022 |
| 1078 | Thomas Steel Strip Corp | Warren, OH 44485 | Oil & Gas Operator | Dec 2023 |
| 1079 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 1080 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 1081 | Thunder Corp | Marietta, OH 45750 | Oil & Gas Operator | Dec 2014 |
| 1082 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |
| 1083 | Tipka Bartlo Oil & Gas Co | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1988 |
| 1084 | Tipka Energy Devlopment Company | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2020 |
| 1085 | Tipka William N | Dover, OH 44622 | Oil & Gas Operator | Dec 1988 |
| 1086 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 1087 | Titan Resources LTD | Limaville, OH 44640 | Oil & Gas Operator | Jan 2024 |
| 1088 | TLC Oil LLC | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2022 |
| 1089 | TMR Operating Co Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 1090 | Torent Oil & Gas Co | Canfield, OH 44406 | Oil & Gas Operator | Dec 2001 |
| 1091 | Total Minatome Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 1998 |
| 1092 | Trans Atlantic Ener Corp | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1993 |
| 1093 | Transcontinental Oil & Gas Inc | Aurora, OH 44202 | Oil & Gas Operator | Dec 2023 |
| 1094 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 1095 | Transit Energy Inc | West Salem, OH 44287 | Oil & Gas Operator | Dec 2022 |
| 1096 | Trenmor Gas & Oil Co LLC | Granville, OH 43023 | Oil Operator | Dec 2022 |
| 1097 | Tri-City Drilling Joint Venture | Belpre, OH 45714 | Oil & Gas Operator | Dec 2023 |
| 1098 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 1099 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 1100 | Triple B Energy LLC | Dorset, OH 44032 | Oil & Gas Operator | Dec 2023 |