List of ISA Components
The ISA Chapters and Associate Organizations (Components) linked below hold regular local tree climbing competitions. Visit their websites to learn more about the events they offer.
Choose Your Local ISA Chapter
- Atlantic Chapter (Canada-New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland)
- Austria Chapter
- Brazil Chapter
- Czech Republic Chapter (Sekce péče o dřeviny)
- Denmark Chapter (Denmark, Iceland)
- Florida Chapter (U.S.)
- Germany Chapter
- Hong Kong Chapter
- Illinois Chapter (U.S.)
- Indiana Chapter (U.S.)
- Italy Chapter
- Kentucky Chapter (U.S.)
- KPB Dutch Chapter (The Netherlands)
- Mexico (Asociación Mexicana de Arboricultura)
- Michigan Chapter (U.S.)
- Mid-Atlantic Chapter (U.S.) (Washington, DC, Maryland, Virginia, and West Virginia)
- Midwestern Chapter (U.S.) (Iowa, Kansas, Missouri, Nebraska, North Dakota, Oklahoma and South Dakota)
- Minnesota Chapter (U.S.)
- New England Chapter (U.S.) (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont)
- New Jersey Chapter (U.S.)
- New York Chapter (U.S.)
- New Zealand Chapter
- Norway Chapter
- Ohio Chapter (U.S.)
- Ontario Chapter (Canada)
- Pacific Northwest Chapter (U.S.-Alaska, Idaho, Oregon, Washington, and British Columbia, Canada)
- Penn-Del Chapter (U.S.-Delaware, Pennsylvania)
- Prairie Chapter (Chapter-Alberta, Manitoba, Saskatchewan)
- Quebec Chapter (Canada) la Société internationale d’arboriculture
- Rocky Mountain Chapter (U.S.-Colorado, Montana, New Mexico, and Wyoming)
- Southern Chapter (U.S.-Alabama, Arkansas, Georgia, Louisiana, Mississippi, North Carolina, Puerto Rico, South Carolina, Tennessee, Virgin Islands)
- Spain Chapter (La Asociación Española de Arboricultura)
- Sweden Chapter (Svenska Trädföreningens)
- Texas Chapter (U.S.)
- Utah Chapter
- Western Chapter (U.S.-Arizona, California, Hawaii, and Nevada)
- Wisconsin Chapter (U.S.)
In some locations, ISA has associate organizations rather than chapters. Visit their websites to learn more.