1. American Association of Agricultural and Biological Engineers
  2. American Horticultural Therapy Association
  3. American Society of Agronomy
  4. Association of Agricultural Computing Companies
  5. British Columbia Institute of Agrologists
  6. Crop Science Society of America
  7. Ecological Society of America
  8. Food and Environment Reporting Network
  9. GRAIN
  10. International Society of Arboriculture
  11. National Grain and Feed Association
  12. Saskatchewan Institute of Agrologists
  13. Society of American Foresters
  14. Tree Care Industry Association
  15. United States Government, Department of Agriculture