The following links may be of interest to professionals in arboriculture, forestry, land use planning, and land stewardship.
- American Society of Consulting Arborists
- American Society of Landscape Architects
- Green Works: Vermont Nursery & Landscape Association
- International Society of Arboriculture (ISA)
- Society of American Foresters
- Society of Municiple Arborists
- Tree Care Industry Association