Local ISA Chapters

ISA is the premier tree care organization in the world. As an international organization, our goal is to provide you with the best services and programs at both the international and local levels. Being an organization that understands the needs of the industry at the global level is important to us, but sometimes you want to consult with someone who understands the specific concerns of your region.

This is where local ISA chapters and associate organizations play a critical role. When you join both ISA and your local ISA chapter, you receive information about trends and issues within the profession from around the globe, as well as a network of colleagues and resources tailored to your local needs. Chapter memberships support local programs, regional tree climbing competitions, and much more.

Choose Your Local ISA Chapter

You can choose to join any of the following ISA chapters.

Atlantic Chapter (New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland)
Austria Chapter
Brazil Chapter
Czech Republic Chapter
Denmark Chapter (Denmark, Iceland)
Florida Chapter (U.S.)
Germany Chapter
Illinois Chapter (U.S.)
Indiana Chapter (U.S.)
Italy Chapter
Kentucky Chapter (U.S.)
KPB Dutch Chapter (The Netherlands)
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
Norway
Ohio Chapter (U.S.)
Ontario Chapter
Pacific Northwest Chapter (Alaska, British Columbia, Idaho, Oregon, and Washington, U.S. and Canada)
Penn-Del Chapter(Delaware, Pennsylvania)
Prairie Chapter (Alberta, Manitoba, Saskatchewan, Canada)
Quebec Chapter
Rocky Mountain Chapter (Colorado, Montana, New Mexico, and Wyoming)
Southern Chapter (Alabama, Arkansas, Georgia, Louisiana, Mississippi, North Carolina, Puerto Rico, South Carolina, Tennessee, Virgin Islands, U.S.)
Spain Chapter
Swedish Chapter
Texas Chapter (U.S.)
United Kingdom/Ireland Chapter (England, Ireland, North Ireland, Scotland, Wales)
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.