International Society of Arboriculture
The International Society of Arboriculture (ISA) is an international non-profit organization headquartered in Champaign, Illinois USA. Its mission statement: "Through research, technology, and education promote the professional practice of arboriculture and foster a greater public awareness of the benefits of trees."
The ISA has over 20,000 members internationally, with international chapters and affiliates in Australia, New Zealand, UK, Canada, Asia, South America and Europe.
The ISA also runs the ISA Certified arborist program. On their website, http://www.isa-arbor.com/, they list husqvarna (maker of chainsaws), vermeer (makers of heavy equipment, including wood chippers), and Davey (tree pruning service) as "distinguished partners", also another pruning service, Bartlett Tree Experts, is listed as an honored partner.
External links
- International Society of Arboriculture Home Page
- International Society of Arboriculture Australia Chapter
The ISA website offers a page where one can verify a Certified Arborist in a specific area.