| 1 | The Superior Oil Co. | — | 0 | 0 | 21 | — | — |
| 2 | Black Elk Energy Offshore OP LLC | — | 0 | 0 | 14 | — | — |
| 3 | Corpus Christi Oil & Gas Co. | — | 55 | 0 | 13 | — | — |
| 4 | Tenneco Oil Company-Tgcd | — | 62 | 0 | 10 | — | — |
| 5 | TR Offshore LLC | — | 0 | 0 | 8 | — | — |
| 6 | White Marlin Operating Co, LLC | — | 1 | 0 | 7 | — | — |
| 7 | Tri-Union Development Corp. | — | 0 | 0 | 7 | — | — |
| 8 | Hall-Houston Expl. II, L.P. | — | 18 | 0 | 6 | — | — |
| 9 | Capco Offshore of Texas Inc. | — | 0 | 0 | 5 | — | — |
| 10 | Fairways Offshore Expl. Inc. | — | 0 | 0 | 5 | — | — |
| 11 | Vamos Oil & Gas, LLC | — | 8 | 0 | 4 | — | — |
| 12 | Choctaw II Oil & Gas Ltd. | — | 0 | 0 | 4 | — | — |
| 13 | Fieldwood Energy LLC | — | 0 | 0 | 4 | — | — |
| 14 | Merit Energy Company | — | 0 | 0 | 4 | — | — |
| 15 | FMP Operating Company, Ltd PTN | — | 3 | 0 | 3 | — | — |
| 16 | OXY USA Inc. | — | 0 | 0 | 3 | — | — |
| 17 | W & T Offshore, Inc. | — | 13 | 0 | 2 | — | — |
| 18 | Gryphon Exploration Company | — | 10 | 0 | 2 | — | — |
| 19 | Transocean Oil, Inc. | — | 7 | 0 | 2 | — | — |
| 20 | American Coastal Energy, Inc. | — | 4 | 0 | 2 | — | — |
| 21 | Seagull Energy E&P Inc. | — | 2 | 0 | 2 | — | — |
| 22 | Dominion Oklahoma Texas E&P Inc | — | 0 | 0 | 2 | — | — |
| 23 | XTO Offshore Inc. | — | 0 | 0 | 2 | — | — |
| 24 | McMoran Exploration Co. | — | 13 | 0 | 1 | — | — |
| 25 | Llog Exploration Texas, L.P. | — | 9 | 0 | 1 | — | — |
| 26 | Petrogulf, Corporation | — | 3 | 0 | 1 | — | — |
| 27 | Pg&e Resources Offshore Company | — | 3 | 0 | 1 | — | — |
| 28 | Gulf Energy Exploration Corp. | — | 2 | 0 | 1 | — | — |
| 29 | Hunt Petroleum (Aec), Inc. | — | 2 | 0 | 1 | — | — |
| 30 | Great Bay Operations, LLC | — | 1 | 0 | 1 | — | — |
| 31 | Walter Oil & Gas Corporation | — | 1 | 0 | 1 | — | — |
| 32 | Atinum Energy Inc. | — | 0 | 0 | 1 | — | — |
| 33 | Crown Central Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 34 | Graham Royalty Ltd. | — | 0 | 0 | 1 | — | — |
| 35 | Shoreline Petroleum Corp. | — | 0 | 0 | 1 | — | — |
| 36 | Sterling Energy Inc. | — | 0 | 0 | 1 | — | — |
| 37 | United Texas Corp. (A) | — | 0 | 0 | 1 | — | — |
| 38 | Unit Petroleum Company | — | 0 | 0 | 1 | — | — |
| 39 | Conquest Exploration Company | — | 16 | 0 | 0 | — | — |
| 40 | Bellwether Exploration Company | — | 13 | 0 | 0 | — | — |
| 41 | Kirby Exploration Company | — | 13 | 0 | 0 | — | — |
| 42 | OXY Petr. Inc | — | 12 | 0 | 0 | — | — |
| 43 | Amoco Production Company | — | 11 | 0 | 0 | — | — |
| 44 | Cities Service Company | — | 11 | 0 | 0 | — | — |
| 45 | Dreyfus, Louis Natural Gas Corp | — | 11 | 0 | 0 | — | — |
| 46 | Kilroy Company of Texas, Inc. | — | 10 | 0 | 0 | — | — |
| 47 | Mobil Producing TX. & N.M. Inc. | — | 7 | 0 | 0 | — | — |
| 48 | Hampton Resources Corporation | — | 6 | 0 | 0 | — | — |
| 49 | Buttes Resources Company | — | 5 | 0 | 0 | — | — |
| 50 | Exxon Corp. | — | 5 | 0 | 0 | — | — |
| 51 | Llog Exploration Offshore, Inc. | — | 5 | 0 | 0 | — | — |
| 52 | Mesa Petroleum Co. | — | 5 | 0 | 0 | — | — |
| 53 | Sharpe Energy Company | — | 5 | 0 | 0 | — | — |
| 54 | Santa FE Energy Resources, Inc. | — | 4 | 0 | 0 | — | — |
| 55 | Superior Oil Company, The | — | 4 | 0 | 0 | — | — |
| 56 | TXO Production Corp. | — | 4 | 0 | 0 | — | — |
| 57 | C & K Petroleum, Inc. | — | 3 | 0 | 0 | — | — |
| 58 | Energy Reserves Group, Inc. | — | 3 | 0 | 0 | — | — |
| 59 | Getty Oil Co. | — | 3 | 0 | 0 | — | — |
| 60 | Hughes Texas Petroleum | — | 3 | 0 | 0 | — | — |
| 61 | Mitchell Energy Offshore Corp. | — | 3 | 0 | 0 | — | — |
| 62 | Petrocorp Acquisition Company | — | 3 | 0 | 0 | — | — |
| 63 | Primary Fuels, Inc. | — | 3 | 0 | 0 | — | — |
| 64 | Royal Production Company, Inc. | — | 3 | 0 | 0 | — | — |
| 65 | Torch Operating Company | — | 3 | 0 | 0 | — | — |
| 66 | Champlin Petroleum Co. | — | 2 | 0 | 0 | — | — |
| 67 | CNG Producing Company | — | 2 | 0 | 0 | — | — |
| 68 | Huber, J. M., Corporation | — | 2 | 0 | 0 | — | — |
| 69 | J. F. P. Well Service, Inc. | — | 2 | 0 | 0 | — | — |
| 70 | Kerr-McGee Corporation | — | 2 | 0 | 0 | — | — |
| 71 | Manti Operating Company | — | 2 | 0 | 0 | — | — |
| 72 | McMoran Production Co. | — | 2 | 0 | 0 | — | — |
| 73 | McMoran-Transco Expl.co. | — | 2 | 0 | 0 | — | — |
| 74 | Texaco Inc. | — | 2 | 0 | 0 | — | — |
| 75 | Texas Gas Exploration Corp. | — | 2 | 0 | 0 | — | — |
| 76 | Zapata Exploration Co. | — | 2 | 0 | 0 | — | — |
| 77 | Adobe Resources Corporation | — | 1 | 0 | 0 | — | — |
| 78 | American Exploration Company | — | 1 | 0 | 0 | — | — |
| 79 | American Nat. Gas Prod. Co. | — | 1 | 0 | 0 | — | — |
| 80 | Anadarko Production Company | — | 1 | 0 | 0 | — | — |
| 81 | Arena Offshore, LLC | — | 1 | 0 | 0 | — | — |
| 82 | Brehm Investment Group, Inc. | — | 1 | 0 | 0 | — | — |
| 83 | Bridge Oil Company, L. P. | — | 1 | 0 | 0 | — | — |
| 84 | Chroma Operating, Inc. | — | 1 | 0 | 0 | — | — |
| 85 | Dalen Resources Oil & Gas Co. | — | 1 | 0 | 0 | — | — |
| 86 | Genesis Petroleum Corporation | — | 1 | 0 | 0 | — | — |
| 87 | H R K Oil & Gas Inc. | — | 1 | 0 | 0 | — | — |
| 88 | Hughes Texas Petroleum | — | 1 | 0 | 0 | — | — |
| 89 | King Ranch Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 90 | King Ranch Oil & Gas, Inc. | — | 1 | 0 | 0 | — | — |
| 91 | Louisiana Land & Expl. Co., The | — | 1 | 0 | 0 | — | — |
| 92 | McRae Exploration & Prod., Inc. | — | 1 | 0 | 0 | — | — |
| 93 | Osprey Petroleum Company, Inc. | — | 1 | 0 | 0 | — | — |
| 94 | Patrick Pet. Corp. of Michigan | — | 1 | 0 | 0 | — | — |
| 95 | Patrick Pet. Corp. of MI/McMoran | — | 1 | 0 | 0 | — | — |
| 96 | Pennzoil Producing Co. | — | 1 | 0 | 0 | — | — |
| 97 | Repsol Earth Solutions USA LLC | — | 1 | 0 | 0 | — | — |
| 98 | Sonat Exploration Company | — | 1 | 0 | 0 | — | — |
| 99 | Tenneco Oil Company-Tgcd | — | 1 | 0 | 0 | — | — |
| 100 | Texoma Production Company | — | 1 | 0 | 0 | — | — |