- The Sierra Club
- Southern Alliance for Clean Energy
- Mountain True (formerly the Western North Carolina Alliance)
- French Broad Riverkeeper
- Robert Orr SYSCO
- Tennessee Clean Water Network
- Tennessee Environmental Council
- Tennessee Riverkeeper
- Watauga Watershed Alliance
- Natural Resources Defense Council
- Legal Environmental Assistance Foundation
- American Canoe Association
- Tennessee Scenic Rivers Association
- Clean Water Fund of North Carolina
- Save Our Cumberland Mountains
- Conservancy of Southwest Florida
- Association Concerned Over Resources and Nature
- Individual landowners dealing with property or groundwater contamination
- Individuals, businesses, and municipalities harmed by environmental disasters like the BP Oil Spill, ExxonMobil’s Pegasus Pipeline Failure, and the TVA Coal Ash Spill
- Local citizen organizations and individualsdealing with land use issues and environmental permit challenges
- Individual landownerschallenging condemnation of private property for industrial development
- Individuals damaged by workplace or environmental contamination with hazardous waste and toxic chemicals