| 501 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2023 |
| 502 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Nov 2024 |
| 503 | P & C Oil & Gas, Inc. | Linn, WV 26384 | Oil & Gas Operator | Dec 2021 |
| 504 | P & M Oil Company | Hays, KS 67601 | Oil & Gas Operator | Aug 2024 |
| 505 | P & S Oil And Gas Corporation | | Gas Operator | Dec 1996 |
| 506 | P. D. L. Services, Inc. | Paris, OH 44669 | Oil & Gas Operator | Dec 2020 |
| 507 | P. G. Oil & Gas, LLC | Clarksburg, WV 26302-2512 | Oil & Gas Operator | Dec 2021 |
| 508 | P.D.T. Drilling Limited Partnership | St. Albans, WV 25177 | Gas Operator | Dec 2021 |
| 509 | Pacific Atlantic Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
| 510 | Paleo, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2024 |
| 511 | Panther Creek Mining, LLC | Lexington, KY 40475 | Gas Operator | Dec 2021 |
| 512 | Parker Gas Company | | Oil & Gas Operator | Aug 2020 |
| 513 | Parks, Lawrence E | Big Bend, WV 26136-0000 | Oil & Gas Operator | Nov 2013 |
| 514 | Patchwork Oil & Gas LLC | Davisville, WV 26142 | Oil & Gas Operator | Dec 2021 |
| 515 | Pauley, Joseph E | Spencer, WV 25276-8719 | Oil & Gas Operator | Dec 2021 |
| 516 | Pauley, Ralph | Sod, WV 25564 | Oil & Gas Operator | Dec 2021 |
| 517 | Pauley, W.E., Agent | Spencer, WV 25276-0000 | Gas Operator | Dec 2021 |
| 518 | Paulico Resources, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 519 | Payne, Robert E | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 520 | PDC Mountaineer LLC | Bridgeport, WV 26330-9665 | Oil & Gas Operator | Dec 2017 |
| 521 | Peake Operating Company | | Oil & Gas Operator | Dec 1999 |
| 522 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 523 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2018 |
| 524 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 525 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2023 |
| 526 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 527 | Pentress Gas LLC | Pentress, WV 26544 | Gas Operator | Dec 2021 |
| 528 | Pepper Development, LLC | Clarksburg, WV 26302 | Oil & Gas Operator | Dec 2021 |
| 529 | Perkins Oil & Gas Inc | Pennsboro, WV 26415-0547 | Oil & Gas Operator | Dec 2021 |
| 530 | Perkins Production Company LLC | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 531 | Petro Holdings, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 532 | Petro-Go, Inc. | | Oil & Gas Operator | Mar 1996 |
| 533 | Petro-Mark, Inc. | St Petersburg, FL 33701 | Oil & Gas Operator | Dec 2021 |
| 534 | Petroleum Development Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 535 | Petroleum Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 536 | Petroleum Service Partners, Inc. | Indiana, PA 15701-0000 | Oil & Gas Operator | Dec 2021 |
| 537 | Phoenix Oil, LLC | | Oil & Gas Operator | Dec 2021 |
| 538 | Piersol Oil & Gas Company | Belpre, OH 45714-0000 | Oil & Gas Operator | Dec 2021 |
| 539 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2023 |
| 540 | Pin Oak Operating, LLC | | Gas Operator | Dec 2021 |
| 541 | Pinnacle Mining Company, LLC | | Oil & Gas Operator | Dec 2017 |
| 542 | PMJ, Inc. | Man, WV 25635-0000 | Gas Operator | Dec 2021 |
| 543 | Pocahontas Gas LLC | | Gas Operator | Dec 2021 |
| 544 | Postrock Eastern Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2020 |
| 545 | Prenco | Vienna, WV 26105 | Oil & Gas Operator | Dec 2021 |
| 546 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Nov 2024 |
| 547 | Prince Petroleum Company, Inc. | Salem, WV 26426 | Oil & Gas Operator | Dec 2014 |
| 548 | Prior, Ferrell L | | Oil & Gas Operator | Dec 2021 |
| 549 | Priority Production, LLC | | Gas Operator | Dec 2021 |
| 550 | Professional Oilfield Services, Inc. | Byesville, OH 43723 | Oil & Gas Operator | Dec 2021 |
| 551 | Pruitt, Cecil, Jr. | Chantilly, VA 22021-2105 | Oil & Gas Operator | Dec 2014 |
| 552 | Prusack, James | Grantsville, WV 26147-0180 | Oil & Gas Operator | Dec 2021 |
| 553 | Pure Oil Co | | Oil & Gas Operator | Dec 1996 |
| 554 | Putnam, William H | Marietta, OH 45750 | Oil & Gas Operator | Dec 2022 |
| 555 | Quaker State Corporation | Houston, TX 77002-2806 | Oil & Gas Operator | Dec 2013 |
| 556 | Quality Natural Gas, LLC | Allen, KY 41601 | Oil & Gas Operator | Dec 2022 |
| 557 | R & A Production Dba/R Lynch & A Engelke | Creston, WV 26141-7578 | Oil & Gas Operator | Dec 2021 |
| 558 | R & B Petroleum, Inc. | Scarsdale, NY 10583 | Oil & Gas Operator | Dec 2021 |
| 559 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2023 |
| 560 | R And B Oil And Gas Associates LLC | Wayne, WV 25570 | Oil & Gas Operator | Dec 2021 |
| 561 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 562 | Rader, Louis C. | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 563 | Radius Energy Services, LLC | Montevallo, AL 35115 | Oil & Gas Operator | Dec 2021 |
| 564 | Ragsco LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 565 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 566 | Ramsey Associated Petroleum, Inc. | Glenville, WV 26351-0090 | Oil & Gas Operator | Dec 2021 |
| 567 | Ran Resources, Inc. | Beverly, WV 26253 | Gas Operator | Dec 2021 |
| 568 | Range Resources - Pine Mountain, Inc. | | Oil & Gas Operator | Jan 2011 |
| 569 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Sep 2024 |
| 570 | Rare Earth Minerals, Inc. | | Oil & Gas Operator | Dec 2014 |
| 571 | Raven Ridge Energy, LLC | Charleston, WV 25302 | Oil & Gas Operator | Dec 2021 |
| 572 | Red Gas Company | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
| 573 | Red Rock Energy L.L.C. | | Oil & Gas Operator | Dec 2021 |
| 574 | Redco, Inc. | Columbus, OH 43229 | Oil & Gas Operator | Dec 1998 |
| 575 | Reed Gas Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 576 | Reed Gas Joint Venture | Charleston, WV 25302-0000 | Gas Operator | Oct 2021 |
| 577 | Reishman Oil & Gas | | Gas Operator | Dec 2021 |
| 578 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 579 | Reserve Oil & Gas, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 580 | Riddle, William D | | Oil & Gas Operator | Dec 2021 |
| 581 | Ridgeland Energy, LLC | Pinch, WV 25156 | Oil & Gas Operator | Dec 2021 |
| 582 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 583 | Ritco, Inc | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 2021 |
| 584 | Roberts, Robert S. Dba K & R Operating Co. | | Gas Operator | Dec 2021 |
| 585 | Roberts, Wayne & Janet | | Oil & Gas Operator | Dec 2021 |
| 586 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2023 |
| 587 | Roger'S Properties LLC | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 588 | Rogers & Son | | Oil & Gas Operator | Dec 2008 |
| 589 | Rogers, M & Scull, David | | Oil & Gas Operator | Dec 2008 |
| 590 | Rose, Lonnie | Troy, WV 26443 | Gas Operator | Dec 2021 |
| 591 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 592 | Ross, Mike Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 593 | Rouzer Oil Company | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 594 | Royal Resources Corporation | | Oil & Gas Operator | Dec 2008 |
| 595 | Russell Oil And Gas Company | Weston, WV 26452-0000 | Gas Operator | Dec 2021 |
| 596 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Nov 2024 |
| 597 | Saglio, Inc. | Clay, WV 25043-0712 | Gas Operator | Dec 2021 |
| 598 | Saint-Gobain Ceramics & Plastics, Inc. | Buckhannon, WV 26201 | Gas Operator | Dec 2021 |
| 599 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 600 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |