• American Tree Farm System
• Aromatic Cedar Association 
• Department of Agriculture, Food and Forestry
• Department of Wildlife Conservation
• Oklahoma Association for Environmental Education 
• Oklahoma Biological Survey
• Oklahoma Christmas Tree Growers Assocation 
• Oklahoma Forestry Association
• Oklahoma Urban and Community Forestry Council
• Oklahoma Woodland Owners Association
• Land Legacy  
• National Association of State Foresters  
• Noble Foundation  
• Quachita Chapter, Society of American Foresters
• Southern Group of State Foresters
• The Nature Conservancy, Oklahoma Chapter 
• Society of American Foresters

Federal Forestry

• Arkansas Forestry Commission
• Colorado State Forest Service
• Kansas Forest Service
• Louisiana Department of Agriculture and Forestry
• Missouri Department of Conservation
• New Mexico State Forestry Division
• Texas Forest Service

Urban Forestry

• International Society of Arborculture

Wildland Fire/Wildland Urban Interface