| Monroe Energy, LLC, Trainer Refinery | Delta Air Lines | 26,937,042 | | |
| Bailey Mine | Consol Energy | 25,099,724 | | |
| UGI Utilities, Inc. | UGI Corp. | 17,401,494 | | |
| Enlow Fork Mine | Consol Energy | 13,652,060 | | |
| Harvey Mine | Consol Energy | 13,180,743 | | |
| Cumberland Mine | Iron Senergy Holding LLC | 11,676,448 | | |
| United Refining Company Subpart MM | Red Apple Group | 8,962,949 | | |
| Houston Gas Plant | MPLX LP | 8,148,245 | | |
| Peoples Natural Gas Company, LLC | Essential Utilities Inc. | 6,930,694 | | |
| PECO Gas Division | Exelon | 5,038,292 | | |
| Philadelphia Gas Works - Corporate | PHILADELPHIA GAS WORKS | 4,295,465 | | |
| Bluestone Gas Processing Plant | MPLX LP | 3,125,134 | | |
| National Fuel Gas Distribution Corp - Pennsylvania | National Fuel Gas | 2,564,109 | | |
| Crooked Creek Mine | J Clifford Forrest III | 1,723,401 | | |
| Spring Mountain Strip | PT Delta Dunia Makmur Tbk | 1,639,052 | | |
| Brush Valley | J Clifford Forrest III | 1,266,664 | | |
| AMERICAN REFINING GROUP INC | AMERICAN REFINING GROUP INC | 1,182,697 | | |
| Cresson | J Clifford Forrest III | 1,126,221 | | |
| Peoples Gas Company Pennsylvania | Essential Utilities Inc. | 1,070,707 | | |
| Rustic Ridge #1 Mine | JAZ Ventures LP | 1,060,338 | | |
| Madison Mine | J Clifford Forrest III | 1,045,966 | | |
| Mine 78 | J Clifford Forrest III | 975,843 | | |
| MAST MINE | KTRV LLC | 818,071 | | |
| Barrett Mine | J Clifford Forrest III | 753,641 | | |
| Acosta Deep Mine | Quintana Capital Group GP Ltd | 709,526 | | |
| Parkwood Mine | J Clifford Forrest III | 640,210 | | |
| Tamaqua Mine | Robindale Energy | 621,487 | | |
| Penfield Mine | J Clifford Forrest III | 560,432 | | |
| Dutch Run | J Clifford Forrest III | 505,530 | | |
| SHM-82 | Daniel W Bunn | 469,432 | | |
| Buck Run P-8 P-10 | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 457,439 | | |
| Heilwood | J Clifford Forrest III | 411,000 | | |
| Primrose Operation | Saint Nicholas Investor Group | 404,162 | | |
| RES Shawville | Robindale Energy | 394,649 | | |
| RES Morrisdale | Robindale Energy | 384,720 | | |
| Maple Springs Mine | JAZ Ventures LP | 360,414 | | |
| Kocjancic | J Clifford Forrest III | 350,023 | | |
| Ellangowan Stripping | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 346,293 | | |
| Harmony Mine | J Clifford Forrest III | 326,155 | | |
| Wadesville P-33 | Maria Cantwell; Bonnie R Ryan; Brian R Rich | 311,102 | | |
| Lowry Mine | J Clifford Forrest III | 305,556 | | |
| Logan Surface Mine | Saint Nicholas Investor Group | 293,370 | | |
| Knob Creek | J Clifford Forrest III | 275,596 | | |
| RES Houtzdale | Robindale Energy | 273,315 | | |
| Tasara Strips | James J Svonavec | 267,997 | | |
| Mine No 1 | Quintana Capital Group GP Ltd | 265,988 | | |
| Condor Mine | Spencer J Svonavec | 265,200 | | |
| Horning Deep Mine | Quintana Capital Group GP Ltd | 230,184 | | |
| Brownsville | Robert Burns | 218,647 | | |
| Solomon Run | Alisha Steuernagel | 195,852 | | |
| The Casselman Mine | James J Svonavec | 190,458 | | |
| Laurel Sand and Stone Inc | James W Cooper | 188,026 | | |
| West Spring Energy | Reading Anthracite | 185,897 | 50% | |
| West Spring Energy | West Spring Slope Holdings LLC | 185,897 | 50% | |
| Coal Loaders, Inc. | James W Cooper | 174,191 | | |
| Continental Strip | Robert Burns | 172,764 | | |
| Lattimer Division | Saint Nicholas Investor Group | 167,373 | | |
| West End | Michael Rich; John J Rich; Brian R Rich | 154,820 | | |
| Good Spring South | Rausch Creek Development LLC | 151,256 | 50% | |
| Good Spring South | RCL Holdings LLC | 151,256 | 50% | |
| Fisher Mining Company | John A Blaschak | 149,543 | | |
| Hoover Job | George Cowfer Jr | 136,257 | | |
| Stockton Mine | PT Delta Dunia Makmur Tbk | 130,619 | | |
| Equitable Gas Company (WV) dba Peoples | Essential Utilities Inc. | 123,734 | | |
| Locust Summit Strip Mine | Tamara L Fetterolf; Gregory T Fetterolf | 123,298 | | |
| Trevorton Strip | Robert Burns | 121,071 | | |
| Barrett 2 | John M Stilley | 111,123 | | |
| Langley Mine | Robert George Koval | 92,345 | | |
| Mellon # 5 Mine | James W Cooper | 91,445 | | |
| Chambersburg Gas Dept. | Borough of Chambersburg | 82,120 | | |
| Corbet South Mine | Robindale Energy | 79,544 | | |
| RES Cresson | Robindale Energy | 79,201 | | |
| Park Mine Coal Company | Daniel P Maksimik Jr | 73,549 | | |
| Burns Farm | Neil I Atwell | 70,795 | | |
| Mahanoy City Stripping | John W Rich | 68,622 | | |
| T & B Strip | Patrick L Sterbutzel | 65,718 | | |
| Shaw | J Clifford Forrest III | 63,520 | | |
| E O J Strip Mine | Joseph W Zaprazny | 62,289 | | |
| Driscoll Hollow Mine | James W Cooper | 59,519 | | |
| Kuperavage Ent Inc/TA Tuscarora Coal | David B Kuperavage | 55,795 | | |
| R S & W Drift | John Robert Rothermel | 49,104 | | |
| Mid Valley Bank | Vincent Guarna; Michael Guarna | 40,851 | | |
| Slope #2 | Kerry Harris | 37,901 | | |
| Woolridge #4 | Leonard O Swisher Jr | 37,222 | | |
| K K Strip | Bernard J Kuperavage Jr | 32,758 | | |
| Sherman Mountain Coal Strip | Ricky K Bender; Rick E Bender | 31,826 | | |
| Serill Strip | John Melochick | 30,851 | | |
| Knox Energy Cooperative Association, Inc. | Brown Brothers Harriman | 30,663 | | |
| Wilson Creek Surface Mines | Quintana Capital Group GP Ltd | 28,506 | | |
| Big Mountain Anthracite #1 Pit | Chris E Kerstetter | 26,953 | | |
| Shawver Operation | Cory Lee Shawver | 24,178 | | |
| Auger 3152 | Robert E Elkin | 24,145 | | |
| King #1 | John A Decker; Tim Decker | 23,564 | | |
| Williamstown Mine #1 | Scott B Kimmel | 23,438 | | |
| 3139 | Robert E Elkin | 23,104 | | |
| Crystal Strip | John L Foieri; Matthew A Guarna | 22,465 | | |
| Waroquier #1 | Joseph L Waroquier | 21,270 | | |
| Big Pine Mine | James W Cooper | 20,838 | | |
| River Hill Coal Co., Inc. | Harry J Hanchar | 20,689 | | |
| Worthville Mine | David D Osikowicz Jr | 20,363 | | |
| Fay Penn #1 | Steve J Patterson | 19,159 | | |
| No 5 Vein | Donald C Bender; Rick Bender | 17,749 | | |
| Shankle Mine | Brian K Reichard | 16,924 | | |
| Eagle Hill Strip | Estate of Joseph A Kuperavage Sr; Robert T Kuperavage | 16,463 | | |
| ADC, Inc Pit 008 | Gary Gioia | 14,010 | | |
| Bell Resources, Inc | Shad B Spencer | 13,730 | | |
| Hazleton Shaft South | PT Delta Dunia Makmur Tbk | 12,621 | | |
| Fieg Bros Coal Co. | Scott E Fieg | 11,018 | | |
| Dragon Mine | James W Cooper | 10,825 | | |
| EPB Strip | The Estate of Martha A. Bender; Edward C Bender | 9,067 | | |
| Atlas Anthracite Coal Corporation | Jeff M Molesevich; Dennis M Molesevich Sr | 8,533 | | |
| Ancient Sun Strip Saylor-McKinney | Donald E Kahle Jr | 7,082 | | |
| Kellar #1 | John R Kellar | 5,930 | | |
| Reese No 1 & 2 Strip | James W. Reese | 5,641 | | |
| N & L Slope | Christian K Kauffman | 5,560 | | |
| Hardrock Coal Co. | Roger Ohler | 5,322 | | |
| Beachley Strip | Scott E Fieg | 4,678 | | |
| Mustang Stripping | Jeff M Molesevich; Dennis M Molesevich Sr | 3,125 | | |
| Powerline Job | Leonard O Swisher Jr | 3,109 | | |
| Jett #2 Stripping | Joseph P Cromyak; Dorothy A Cromyak | 2,995 | | |
| Blue Ridge Mining L.P. | Marc S Sandri | 2,953 | | |
| Slope #1 | Matthew Ward; Alfred J Brown | 2,318 | | |
| Bell Corp | Ronald J Kuperavage | 2,305 | | |
| Wymps Gap Surface Coal Mine | Charles C Swenglish | 1,948 | | |
| A W Long Coal Company | William A Long; James R Long | 1,649 | | |
| Kellar #2 | John R Kellar | 1,065 | | |
| Mayo Operation | Prushnok Coal Company Inc | 883 | | |
| Mid Port Strip | Estate of Joseph A Kuperavage Sr; Robert T Kuperavage | 676 | | |
| Tamburlin Strip | Joseph L Waroquier Jr; Gary V Waroquier | 449 | | |
| GE's Grid Solutions | General Electric | 0 | | |
| Electronic Fluorocarbons, LLC | ELECTRONIC FLUOROCARBONS LLC | 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 | | |
| Beilchick Bros Strips | Paul Beilchick | 0 | | |
| Ebervale Mine | PT Delta Dunia Makmur Tbk | 0 | | |
| Buck Mountain Slope | Darryl Koperna | 0 | | |
| Glen Lyon Operation | Kenneth M Pollock | 0 | | |
| Coalbrook Stripping #1 | Vincent Kassa | 0 | | |
| Polenik Mine | Matthew J Polenik | 0 | | |
| Cherry Tree Mine | J Clifford Forrest III | 0 | | |
| Zerbe 10 Mine | Vincent Guarna; Michael Guarna | 0 | | |
| Coral-Graceton | J Clifford Forrest III | 0 | | |
| Auger 11 | Robert E Elkin | 0 | | |
| Tidal Mine | Robindale Energy | 0 | | |
| Buck Mountain Stripping | Kerry Harris | 0 | | |
| NEW SUMMIT | Tamara L Fetterolf; Gregory T Fetterolf | 0 | | |
| Bowser Mine | Clyde Holding Inc | 0 | | |
| Sagulla | Neil I Atwell | 0 | | |
| Good Hill Mine | Robert George Koval | 0 | | |