Founding Partners ($4,000 and up)
- Clinch River Valley Energy Group, Inc.
- Energy, Environment and Resource Center (EERC)
- Oak Ridge National Laboratory (ORNL)
- Sevier Transportation Board
Platinum Partners ($2,000)
- AmeriGas
- Dream Works Printing
- Knoxville Utilities Board (KUB)
- Sevier County Utility District
Gold Partners ($1,000)
- McNutt Oil
- Tennessee Valley Authority (TVA)
Silver Partners ($500)
- Big Frog Mountain
- Calloway Oil (EZ Stop)
- City of Knoxville
- Friends of the Smokies
- Hydrocore
- St. Mary's Health System
- WBIR TV (Channel 10)
- WUOT - 91.9FM
Associate Partners ($200)
- Blossman Gas, Inc.
- Blue Sky Biodiesel, Inc.
- Camel Custom Canvas
- Energy Control Consultants
- First Capitol Carriages
- Fun Buggies of Pigeon Forge and Gatlinburg
- Knox County
- Metro Knoxville Airport Authority
- Wilbur Smith Associates
- Whedbee Insurance
- Xcel Engineering, Inc.
Supporting Partners (nonprofit and individual memberships - $25)
- Don Ault, First Capitol Tours
- Ted Buel, G. T. Design, Inc. ($100!)
- Marc Orion Cardoso, EcoGenics
- Mark Downing, Trans Tech Volvo/BMW
- Asher Freeman
- Linda Gass
- Ben Gill
- J. Randolph "Randy" Humble, Atty.
- Bob Jackson, Rindt-McDuff Associates
- Knoxville/Knox County Community Action Committee
- Charles Manneschmidt
- Gary M. McCown, DDS ($100!)
- Metropolitan Knoxville Airport Authority/McGhee Tyson Airport ($50)