- Global Organization of Tree Climbers (GOTC)
- Atlanta Tree Climbing Club
- ISA – International Society of Arboriculture
- Pacific Northwest ISA
- National Arborists
- Climbing Arborist
- TreeBuzz
- Tree Climbers International
- Tree Climbing Meetups
- Tree Climber’s Coalition
Tree Climbing Stores
Tree Climbing Magazines, Blogs and Publications