AES Puerto Rico - AGREMAX
Charah, Inc.
DOE's Office of Fossil Energy and the National Energy Technology Laboratory (NETL)
Duke Energy
Elsevier Ltd. - FUEL
Headwaters Resources
The SEFA Group
Synthetic Materials (SYNMAT)
Trans-Ash, Inc.
Boral Material Technologies, Inc.
E.ON
FlyAshDirect, Inc.
Mineral Resources Technologies, Inc., A CEMEX Company
Ameren Energy Fuels and Services
Lafarge
Progress Materials, Inc.
Combustion Byproducts Recycling Consortium (CBRC)
EPRI
Full Circle Solutions, Inc.
Golder Associates
Great River Energy
Ish, Inc.
Midwest Coal Ash Association, Inc. (MCAA)
Polish CCP Union
Texas Coal Ash Utililzation Group (TCAUG)