| Alliance Coal, LLC |
| Ameren Missouri |
| American Coal Ash Association |
| American Electric Power |
| America's Power |
| Arch Resources |
| Armature Advocacy |
| Blackhawk Mining, LLC |
| Blue Sky Energy |
| Bluegrass Natural Resources LLC |
| BNSF Railway |
| Buchanan Ingersoll & Rooney PC |
| Capes Shipping Agencies |
| Central Coal Company |
| Charah Solutions, Inc. |
| CN |
| Coal Association of Canada |
| Coal Users' Group |
| CONSOL Energy Inc. |
| Consumers Energy |
| Converse and Company, Inc. |
| Cooper Consolidated, LLC |
| Crounse Corporation |
| Crown Carbon Reduction Technologies |
| CSX Transportation |
| Deep Creek Resources, LLC |
| Dominion Energy Fuel Services, Inc. |
| Donora River Terminal |
| DTE Electric Company |
| Duke Energy |
| Eagle Specialty Materials |
| Eco Material Technologies Inc. |
| Eco Solution Distributing |
| Energy Policy Network |
| Energy Ventures Analysis, Inc. |
| Entergy |
| FSG Capital |
| Gallagher Clean Energy |
| Glencore Ltd. |
| Global Coal Sales Group, LLC |
| Global Commerce Forum |
| Hallador Energy Company |
| Hampton Roads Testing Labs., Inc. |
| Hellerworx, Inc. |
| Illinois Coal Association |
| Integrity Coal Sales, Inc. |
| Interlake Maritime Services |
| International CCS Knowledge Centre |
| Iron Senergy |
| ITC Coal Resources International Inc.
(ITOCHU) |
| JENNMAR |
| JERA Global Markets North America, LLC |
| John T. Boyd Company |
| Kiewit Mining Group Inc. |
| Knight Hawk Coal, LLC |
| Komatsu America Corp. |
| LafargeHolcim US Inc. |
| LafargeHolcim US Inc. |
| LG&E and KU Energy |
| Liebherr USA, Co. Mining |
| Lignite Energy Council |
| Lower Colorado River Authority |
| M Resources Pty Ltd |
| Marshall Miller & Associates |
| Martin Engineering Co |
| McCloskey by OPIS, A Dow Jones Company |
| MidAmerican Energy Company |
| Montana Coal Council |
| National Tribal Energy Association |
| Natural Resource Partners LP |
| Navajo Transitional Energy Company, LLC |
| Net-Negative CO2 Baseload Generation |
| NexGen Coal Services, Ltd. |
| NRG Energy |
| Omaha Public Power District |
| Paducah & Louisville Railway |
| Peabody |
| Pickands Mather Coal Company |
| Platte River Power Authority |
| PM Coal Company, LLC |
| Progress Rail Services |
| Ramaco Coal, LLC |
| River Trading Company, LTD |
| RMEL |
| Robindale Energy Services |
| SAI Gulf |
| Salt River Project |
| Sampling Associates International LLC |
| Sandy Creek Services, LLC |
| Savage Services Corp. |
| SCH Services, LLC |
| Schneid Energy & Mining Consultants,
LLC |
| SGS North America Inc. |
| Standard Laboratories, Inc. |
| Synmax Inc. |
| T. Parker Host |
| Taft Advisors |
| Tennessee Valley Authority |
| Texas Mining and Reclamation Association |
| The Indiana Rail Road Company |
| Union Pacific Railroad |
| University of Wyoming |
| Usibelli Coal Mine, Inc. |
| Veolia |
| Visa Commodities AG |
| Warrenton River Terminal, LLC |
| Warrior Met Coal, Inc. |
| Waste Connections |
| Weir International, Inc. |
| West Virginia Coal Association |
| West Virginia University |
| Western Fuels Association |
| Westmoreland Mining LLC |
| Westshore Terminals Limited Partnership |
| Women's Mining Coalition |
| Xcel |
| Xcoal Energy & Resources |
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