| 501 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2025 |
| 502 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2023 |
| 503 | Reserve Gas Company, Inc. | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 504 | Resetarits, David W. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 505 | Reyrock Oil, LLC | Limestone, NY 14753 | Oil & Gas Operator | Dec 2023 |
| 506 | Ricotta, Deborah | Lancaster, NY 14043 | Gas Operator | Dec 2023 |
| 507 | Rider, Scott A. | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 508 | Ridge Runner Properties Of N.Y. L.L.C | Pavilion, NY 14525 | Gas Operator | Dec 2023 |
| 509 | Robbins, Jesse M. | Jamestown, NY 14701 | Gas Operator | Dec 2023 |
| 510 | Roberts, Charles J. | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 511 | Robinson'S Oil Inc. | Alfred Station, NY 14803 | Oil & Gas Operator | Dec 2023 |
| 512 | Roche, E. Michael | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 513 | Rochez, Mary B. | East Amherst, NY 14051 | Gas Operator | Dec 2023 |
| 514 | Rodgers, Clyde B. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 515 | Rowland, David M. | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 516 | Rozuk, Claudia | Millersburg, OH 44654 | Gas Operator | Dec 2023 |
| 517 | Rumsey, Travis J. | Van Etten, NY 14889 | Gas Operator | Dec 2023 |
| 518 | Ryan, Kristen S. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 519 | S.A.J.A.S | Brocton, NY 14716 | Gas Operator | Dec 2023 |
| 520 | Safford, Dianne L. | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2023 |
| 521 | Sager, Judith A. & Ronald | Perrysburg, NY 14129 | Gas Operator | Dec 2023 |
| 522 | Saint John Exploration & Production, Inc. | Williamsville, NY 14221 | Oil Operator | Dec 2023 |
| 523 | Salerno, Peter T., Jr. | Clyde, NY 14433 | Gas Operator | Dec 2023 |
| 524 | Sam Koehler Enterprises, Inc. | Andover, NY 14806 | Oil & Gas Operator | Dec 2023 |
| 525 | Samuelson, Peter Philip | Bemus Point, NY 14712 | Gas Operator | Dec 2023 |
| 526 | Sandstone Oil & Gas Development, LLC | Cyclone, PA 16726 | Oil Operator | Dec 2023 |
| 527 | Scanfield, LLC | Russell, PA 16345 | Gas Operator | Dec 2023 |
| 528 | Schichtel'S Nursery, Inc. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 529 | Schiralli, Bradley L. | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2023 |
| 530 | Schiralli, Bradley L. And Paffie, Ronald | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2023 |
| 531 | Schmidt, John T., Jr. | Dunkirk, NY 14048 | Gas Operator | Dec 2023 |
| 532 | Schmitz, Michael E. | Sherman, NY 14781 | Gas Operator | Dec 2023 |
| 533 | Schreiber, Donald And Marilyn | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 534 | Schreiner Oil & Gas Inc | Prescott, AZ 86303 | Oil & Gas Operator | Dec 2023 |
| 535 | Schupp, David And Barbara | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 536 | Schwartz, Randy L. | West Valley, NY 14171 | Gas Operator | Dec 2023 |
| 537 | Schweikert, Donna C. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 538 | Scott'S Peek 'N Peak, LLC | Erie, PA 16509 | Gas Operator | Dec 2023 |
| 539 | Scriven, Daniel | Ripley, NY 14775 | Gas Operator | Dec 2023 |
| 540 | Seaport Natural Gas Co., Inc. | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 541 | Seibel Modern MFG. & Welding Corp. | Lancaster, NY 14086 | Gas Operator | Dec 2023 |
| 542 | Seifert, Timothy M. | Caledonia, NY 14423 | Gas Operator | Dec 2023 |
| 543 | Seitz Farms, Inc. | Phelps, NY 14532 | Gas Operator | Dec 2023 |
| 544 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Mar 2025 |
| 545 | Seneca Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 546 | Seneca Stone Corporation | Seneca Falls, NY 13148 | Gas Operator | Dec 2023 |
| 547 | Senske, Richard S. | Ashville, NY 14710 | Gas Operator | Dec 2023 |
| 548 | Sescil, Douglas W. | Akron, NY 14001 | Gas Operator | Dec 2023 |
| 549 | Severtson, James C. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2023 |
| 550 | Shag Bark Land And Cattle Co. LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2021 |
| 551 | Shattuck, Frank E. & Carol D. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 552 | Sheedy, John D. | North Tonawanda, NY 14120 | Gas Operator | Dec 2023 |
| 553 | Shelex Drilling Inc | Lexington, KY 40523 | Oil & Gas Operator | Dec 2024 |
| 554 | Shields, Timothy R. & Donnalee F. | Randolph, NY 14772 | Gas Operator | Dec 2023 |
| 555 | Shirk, Benjamin B., Jr. & Lydia R. | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
| 556 | Shorewood Farms | Lakeview, NY 14085 | Gas Operator | Dec 2023 |
| 557 | Shultz, Todd W. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2023 |
| 558 | Simme, Steven | Elma, NY 14052 | Gas Operator | Dec 2023 |
| 559 | Simon Of Bolivar Enterprises Inc | Cuba, NY 14727 | Oil & Gas Operator | Dec 2023 |
| 560 | Sisters Of St. Joseph | Clarence, NY 14031 | Gas Operator | Dec 2023 |
| 561 | Sivad Energy No 4 | Akron, NY 14001 | Gas Operator | Dec 2023 |
| 562 | Skora, James B. | Lawtons, NY 14091 | Gas Operator | Dec 2023 |
| 563 | Skrzynski, Thomas J. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 564 | Skubis, Daniel J. | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 565 | Small, Louis E. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 566 | Smith, Albert E. Jr. & Allan E. | Van Etten, NY 14889 | Gas Operator | Dec 2023 |
| 567 | Smith, Diman T. And Louann | Sinclairville, NY 14782 | Gas Operator | Dec 2023 |
| 568 | Smith, Frederick H. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 569 | Smith, Mark A. & Laurel A. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 570 | Smith, Marvin M. | Orchard Park, NY 14127 | Gas Operator | Dec 2023 |
| 571 | Smith, Rodney L. | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2023 |
| 572 | Smith, Ronald L. | Bolivar, NY 14715 | Oil Operator | Dec 2023 |
| 573 | Smith, Yvonne C. And Robert M. | Delevan, NY 14042 | Gas Operator | Dec 2023 |
| 574 | Snow, Shannon | Gerry, NY 14733 | Gas Operator | Dec 2023 |
| 575 | Snyder Brothers, Inc. | | Oil & Gas Operator | Dec 2018 |
| 576 | Snyder, Kenneth L. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 577 | Snyder, Larry G. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 578 | Solar Sportsystems, Inc. | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 579 | Spacht, James W. & Shelly F | Ripley, NY 14775 | Gas Operator | Dec 2023 |
| 580 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2023 |
| 581 | Sprague, Gary L. | Versailles, NY 14168 | Gas Operator | Dec 2023 |
| 582 | Springville-Griffith Institute Central School Dist | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 583 | St. Columban'S On The Lake, Inc. | Silver Creek, NY 14136 | Gas Operator | Dec 2023 |
| 584 | Stagecoach Pipeline & Storage Company LLC | | Gas Operator | Dec 2005 |
| 585 | Stalica, Donald E. | Pavilion, NY 14525 | Gas Operator | Dec 2023 |
| 586 | Stark, Eric | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2023 |
| 587 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2023 |
| 588 | Stebell, Jean M. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 589 | Stedman Energy Inc | Chautauqua, NY 14722 | Oil & Gas Operator | Dec 2024 |
| 590 | Steimle, Peter C. | Auburn, NY 13021 | Gas Operator | Dec 2023 |
| 591 | Stevens, Carole J. & Garry M. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 592 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2023 |
| 593 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2023 |
| 594 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 595 | Storch, Diane F. | Attica, NY 14011 | Gas Operator | Dec 2023 |
| 596 | Stowell, Cindy M. | Perry, NY 14530 | Gas Operator | Dec 2023 |
| 597 | Studley, Richard | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 598 | Studley, Robert SR. & Robert Jr. | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 599 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2023 |
| 600 | Surdej, James P. & Kathleen | | Gas Operator | Dec 2023 |