The organizations listed below are frequent collaborators with The Dawes Arboretum.
- 1% for the Planet
- American Public Gardens Association
- Birding FAN Club
- Botanic Gardens Conservation International
- Boy Scout Troop 33
- Center for Plant Conservation
- Columbus Zoo and Aquarium
- Connect a Million Minds
- Denison University
- Department of the Interior, United States Fish and Wildlife Service
- Ducks Unlimited
- Heritage Girls
- Hocking College
- Invasive Plant Council
- The Ohio State University Extension Services
- Licking County Foundation
- Licking County Historical Alliance
- Licking County Master Gardeners
- Licking County Soil and Water Conservation District
- Licking Memorial Hospital
- Licking County Visitors Bureau
- Mount Carmel Health Systems
- North America-China Plant Exploration Consortium (NACPEC)
- North American Plant Collections Consortium (NAPCC)
- Ohio Biological Survey
- Ohio Certified Volunteer Naturalists
- Ohio Chapter American Chestnut Society
- Ohio Department of Natural Resources: Division of Forestry, Division of Natural Areas and Preserves, Division of Soil and Water, Division of Wildlife
- Ohio Department of Transportation
- Ohio Historical Society
- Ohio Lepidopterist Society
- Ohio Mushroom Society
- Ohio Nursery and Landscape Association
- The Energy Cooperative
- The Ohio Invasive Plant Council
- The Ohio State University
- The Works
- U.S. Department of Agriculture
- U.S. Fish and Wildlife Service
- Walk with a Doc
- Whispers and Echoes Studio
- Zane State University
