| Monroe Energy, LLC, Trainer Refinery | Delta Air Lines | 24,570,331 | | |
| Bailey Mine | Core Natural Resources Inc. | 24,222,279 | | |
| Enlow Fork Mine | Core Natural Resources Inc. | 18,792,029 | | |
| UGI Utilities, Inc. | UGI Corp. | 18,200,183 | | |
| Harvey Mine | Core Natural Resources Inc. | 13,533,467 | | |
| Cumberland Mine | Iron Senergy Holding, LLC | 12,875,660 | | |
| United Refining Company Subpart MM | Red Apple Group | 10,146,173 | | |
| Houston Gas Plant | MPLX LP | 8,259,290 | | |
| Peoples Natural Gas Company, LLC | Essential Utilities Inc. | 6,973,032 | | |
| PECO Gas Division | Exelon | 4,474,577 | | |
| Philadelphia Gas Works - Corporate | Philadelphia Gas Works | 3,615,151 | | |
| Bluestone Gas Processing Plant | MPLX LP | 3,054,034 | | |
| National Fuel Gas Distribution Corp - Pennsylvania | National Fuel Gas | 2,312,672 | | |
| Brush Valley | J Clifford Forrest III | 1,326,281 | | |
| Crooked Creek Mine | J Clifford Forrest III | 1,287,468 | | |
| Spring Mountain Strip | BUMA International Group | 1,285,404 | | |
| AMERICAN REFINING GROUP INC | AMERICAN REFINING GROUP INC | 1,238,886 | | |
| Cresson | J Clifford Forrest III | 1,091,735 | | |
| Rustic Ridge #1 Mine | JAZ Ventures LP | 1,011,523 | | |
| MADISON MINE | J Clifford Forrest III | 917,915 | | |
| Barrett Mine | J Clifford Forrest III | 904,156 | | |
| Parkwood Mine | J Clifford Forrest III | 857,007 | | |
| Buck Run P-8 P-10 | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 725,059 | | |
| Wadesville P-33 | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 722,973 | | |
| Tamaqua Mine | Robindale Energy | 653,027 | | |
| Mine 78 | J Clifford Forrest III | 630,401 | | |
| Acosta Deep Mine | J Clifford Forrest III | 616,657 | | |
| MAST MINE | KTRV LLC | 595,990 | | |
| Ellangowan Stripping | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 542,976 | | |
| Primrose Operation | Saint Nicholas Investor Group | 492,855 | | |
| Dutch Run | J Clifford Forrest III | 488,055 | | |
| RES Morrisdale | Robindale Energy | 465,344 | | |
| RES Houtzdale | Robindale Energy | 446,083 | | |
| RES Shawville | Robindale Energy | 424,021 | | |
| Mine No 1 | Quintana Capital Group GP Ltd | 381,537 | | |
| Lowry Mine | J Clifford Forrest III | 379,447 | | |
| Maple Springs Mine | JAZ Ventures LP | 369,681 | | |
| KOCJANCIC | J Clifford Forrest III | 353,746 | | |
| Penfield Mine | J Clifford Forrest III | 336,360 | | |
| Heilwood | J Clifford Forrest III | 328,117 | | |
| Condor Mine | Spencer J Svonavec | 306,319 | | |
| The Casselman Mine | James J Svonavec | 288,781 | | |
| HARMONY MINE | J Clifford Forrest III | 286,301 | | |
| Brownsville | Robert Burns | 281,168 | | |
| Horning Deep Mine | Quintana Capital Group GP Ltd | 279,334 | | |
| Knob Creek | J Clifford Forrest III | 275,559 | | |
| West End | Michael Rich; John J Rich; Brian R Rich | 243,787 | | |
| Logan Surface Mine | Saint Nicholas Investor Group | 242,489 | | |
| Stockton Mine | BUMA International Group | 234,015 | | |
| Lattimer Division | Saint Nicholas Investor Group | 201,806 | | |
| RES Cresson | Robindale Energy | 200,098 | | |
| Good Spring South | Rausch Creek Development LLC | 177,920 | 50% | |
| Good Spring South | RCL Holdings LLC | 177,920 | 50% | |
| Tasara Strips | James J Svonavec | 175,691 | | |
| Hoover Job | George Cowfer Jr | 144,123 | | |
| Continental Strip | Robert Burns | 143,037 | | |
| Trevorton Strip | Robert Burns | 142,304 | | |
| Laurel Sand and Stone Inc | James W Cooper | 134,439 | | |
| Coal Loaders, Inc. | James W Cooper | 124,428 | | |
| West Spring Energy | Reading Anthracite | 122,303 | 50% | |
| West Spring Energy | West Spring Slope Holdings LLC | 122,303 | 50% | |
| Solomon Run | Alisha Steuernagel | 108,712 | | |
| FISHER MINING COMPANY | John A Blaschak | 100,315 | | |
| Mahanoy City Stripping | John W Rich | 95,000 | | |
| Hazleton Shaft South | BUMA International Group | 91,006 | | |
| Driscoll Hollow Mine | James W Cooper | 89,748 | | |
| Mid Valley Bank | Vincent Guarna; Michael Guarna | 88,093 | | |
| Park Mine Coal Company | Daniel P Maksimik Jr | 82,210 | | |
| Shaw | J Clifford Forrest III | 81,857 | | |
| Corbet South Mine | Robindale Energy | 77,111 | | |
| Sherman Mountain Coal Strip | Ricky K Bender; Rick E Bender | 72,675 | | |
| Equitable Gas Company (WV) dba Peoples | Essential Utilities Inc. | 72,145 | | |
| Good Hill Mine | Robert George Koval | 67,745 | | |
| Chambersburg Gas Dept. | Borough of Chambersburg | 65,389 | | |
| Dragon Mine | James W Cooper | 61,773 | | |
| R S & W Drift | John Robert Rothermel | 60,858 | | |
| Slope #2 | Kerry Harris | 58,322 | | |
| Kuperavage Ent Inc/TA Tuscarora Coal | David B Kuperavage | 55,494 | | |
| Locust Summit Strip Mine | Tamara L Fetterolf; Gregory T Fetterolf | 55,187 | | |
| Glen Lyon Operation | Kenneth M Pollock | 54,711 | | |
| NEW SUMMIT | Tamara L Fetterolf; Gregory T Fetterolf | 51,893 | | |
| Sagulla | Neil I Atwell | 47,739 | | |
| T & B Strip | Patrick L Sterbutzel | 47,551 | | |
| Tidal Mine | Robindale Energy | 45,654 | | |
| MELLON # 5 MINE | James W Cooper | 44,561 | | |
| Ebervale Mine | BUMA International Group | 42,792 | | |
| E O J Strip Mine | Elizabeth Zaprazny | 36,829 | | |
| Zerbe 10 Mine | Vincent Guarna; Michael Guarna | 34,027 | | |
| Auger 11 | Gary Gioia | 32,720 | | |
| Mustang Stripping | Jeff M Molesevich; Dennis M Molesevich Sr | 28,972 | | |
| Serill Strip | John Melochick | 28,964 | | |
| Wilson Creek Surface Mines | Quintana Capital Group GP Ltd | 28,819 | | |
| Knox Energy Cooperative Association, Inc. | iCON Infrastructure | 28,277 | | |
| Crystal Strip | John L Foieri; Matthew A Guarna | 24,432 | | |
| River Hill Coal Co., Inc. | Harry J Hanchar | 22,134 | | |
| Big Mountain Anthracite #1 Pit | Chris E Kerstetter | 21,841 | | |
| Powerline Job | Leonard O Swisher Jr | 20,400 | | |
| ADC, Inc Pit 008 | Gary Gioia | 19,682 | | |
| Buck Mountain Stripping | Kerry Harris | 19,643 | | |
| 3139 | Robert E Elkin | 19,105 | | |
| Shawver Operation | Cory Lee Shawver | 17,506 | | |
| Worthville Mine | David D Osikowicz Jr | 15,722 | | |
| Williamstown Mine #1 | Scott B Kimmel | 14,728 | | |
| Blue Ridge Mining L.P. | Marc S Sandri | 14,005 | | |
| Coalbrook Stripping #1 | Vincent Kassa | 13,685 | | |
| Kellar #1 | John R Kellar | 11,971 | | |
| Bowser Mine | Clyde Holding Inc | 11,094 | | |
| K K Strip | Bernard J Kuperavage Jr | 10,685 | | |
| Big Pine Mine | James W Cooper | 10,452 | | |
| Waroquier #1 | Joseph L Waroquier | 9,404 | | |
| FIEG BROS COAL CO. | Scott E Fieg | 9,219 | | |
| Fay Penn #1 | Steve J Patterson | 8,890 | | |
| Slope #1 | Matthew Ward; Alfred J Brown | 8,130 | | |
| Hardrock Coal Co. | Rocky Maynard; Garrett N Blackburn | 7,286 | | |
| No 5 Vein | Donald C Bender; Rick Bender | 6,983 | | |
| Ancient Sun Strip Saylor-McKinney | Donald E Kahle Jr | 5,548 | | |
| Langley Mine | Robert George Koval | 5,314 | | |
| Atlas Anthracite Coal Corporation | Jeff M Molesevich; Dennis M Molesevich Sr | 4,449 | | |
| Beilchick Bros Strips | Matthew J Polenik | 3,185 | | |
| CHERRY TREE MINE | J Clifford Forrest III | 3,081 | | |
| Coral-Graceton | J Clifford Forrest III | 2,986 | | |
| BELL #1 MINE | Robindale Energy | 2,929 | | |
| King #1 | John A Decker; Tim Decker | 2,853 | | |
| Kellar #2 | John R Kellar | 2,691 | | |
| Buck Mountain Slope | Darryl Koperna | 2,152 | | |
| Jett #2 Stripping | Joseph P Cromyak; Dorothy A Cromyak | 1,803 | | |
| Reese No 1 & 2 Strip | James W. Reese | 1,085 | | |
| Polenik Mine | Matthew J Polenik | 909 | | |
| A W Long Coal Company | William A Long; James R Long | 588 | | |
| Bell Corp | Rocky Maynard; Garrett N Blackburn | 73 | | |
| GE's Grid Solutions | GE Vernova | 0 | | |
| Electronic Fluorocarbons, LLC | EFC Gases & Advanced Materials | 0 | | |
| Matheson Tri-Gas Inc. - Donora | Mitsubishi Chemical | 0 | | |
| National Refrigerants, Inc | NATIONAL REFRIGERANTS INC | 0 | | |
| Airgas Therapeutics LLC - Scott Medical Products | Air Liquide | 0 | | |
| Versum Materials US, LLC | Merck KGaA (EMD) | 0 | | |
| Arkema Inc. | Arkema | 0 | | |
| Mitsubishi Electric Power Products, Inc. | Mitsubishi Electric | 0 | | |
| Piramal Critical Care | Piramal Pharma | 0 | | |
| Air Liquide Electronics U.S. LP | Air Liquide | 0 | | |
| AMERICAN REFINING GROUP INC - IMPORT/EXPORT | AMERICAN REFINING GROUP INC | 0 | | |
| CC Packaging LLC | CC PACKAGING LLC | 0 | | |
| Harmon Creek Gas Plant | MPLX LP | 0 | | Yes |
| CHEMPENN | CHEMPENN LLC | 0 | | |
| Sunoco LLC | Energy Transfer | 0 | | |
| Eckley Operation | Saint Nicholas Investor Group | 0 | | |
| Ogden | Leonard O Swisher Jr | 0 | | |
| Fulton Run | J Clifford Forrest III | 0 | | |
| 89 JOB | Robindale Energy | 0 | | |
| Beaver Brook Development Project | Leonard A Rossi | 0 | | |
| COYOTE MOUNTAIN JOB | James J Svonavec | 0 | | |
| Freeland Anthracite Mine | MBU Capital Group LTD | 0 | | |
| Westgren Mine | James W Cooper | 0 | | |