| 101 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 102 | Monday Creek Resources LTD | Logan, OH 43138 | Oil Operator | Dec 2024 |
| 103 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2024 |
| 104 | Mutual Oil & Gas Co | Akron, OH 44311 | Oil & Gas Operator | Dec 2001 |
| 105 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 106 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Jun 2025 |
| 107 | Nuttco Oil & Gas | Corning, OH 43730 | Oil & Gas Operator | Dec 2010 |
| 108 | Oak Dale Drilling Co | Logan, OH 43138-1851 | Oil & Gas Operator | Dec 2015 |
| 109 | Ohio L & M Company Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2008 |
| 110 | Oil Enterprises | Logan, OH 43138 | Oil & Gas Operator | Dec 2024 |
| 111 | Orwig Oil Company Inc | Bradenton, FL 34212 | Oil & Gas Operator | Dec 2022 |
| 112 | Oxford Oil | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2012 |
| 113 | Paragon Energy Co | Columbus, OH 43214 | Oil & Gas Operator | Dec 1989 |
| 114 | PDC Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Jul 2025 |
| 115 | Pelican Producing Inc | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1996 |
| 116 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 117 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2024 |
| 118 | Petroleum Development Cor | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2004 |
| 119 | Petrox, Inc | Streetsboro, OH 44241 | Oil & Gas Operator | Dec 2024 |
| 120 | Pineco | Laurelville, OH 43135 | Oil & Gas Operator | Dec 2023 |
| 121 | Poling Albert | Logan, OH 43138 | Oil Operator | Dec 2024 |
| 122 | Poston Operating Co Inc | Ashley, OH 43003 | Oil & Gas Operator | Dec 2003 |
| 123 | Quaker State Oil Ref Corp | North Canton, OH 44720-1541 | Oil & Gas Operator | Dec 1994 |
| 124 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 125 | Reliance Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 126 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2024 |
| 127 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 128 | RPJ Fund Management Inc | St. Paul, MN 55101 | Oil & Gas Operator | Dec 1991 |
| 129 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 130 | Sabre Energy Corporation | Lore City,, OH 43755 | Oil & Gas Operator | Dec 2017 |
| 131 | Schmelzer Mark | Rushville, OH 43150 | Oil & Gas Operator | Dec 2007 |
| 132 | Schmelzer Plugging LLC | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 133 | Seifert Companies LTD | Bremen, OH 43107 | Oil & Gas Operator | Dec 2023 |
| 134 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 135 | Smith C/Dba Sandy Supply | North FT Myers, FL 33903 | Oil & Gas Operator | Dec 1988 |
| 136 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 137 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 138 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 139 | Tansky J/Tansky Oil Prod | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 140 | Tatum Petroleum Corporation | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2008 |
| 141 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 142 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |
| 143 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 144 | Unknown Owner | Columbus, OH 43229 | Oil & Gas Operator | Dec 2008 |
| 145 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 146 | Watson Wayne W | Cambridge, OH 43725-3024 | Oil & Gas Operator | Dec 2002 |
| 147 | Wilson Petroleum Corp | Westerville, OH 43081 | Oil & Gas Operator | Dec 2000 |
| 148 | Witco Corporation | Newark, OH 43055 | Oil & Gas Operator | Dec 1995 |
| 149 | WNT Operating Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2001 |
| 150 | Woodyard Drilling | Chesterhill, OH 43728 | Oil & Gas Operator | Dec 2016 |
| 151 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 152 | Zenith Oil & Gas Inc | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 1999 |