Contact Us

ISA Ontario is a chapter of the International Society of Arboriculture. On average, we represent 700-800 members. We are a volunteer-based organization with our office administrative services located in Milton, Ontario.

For all member and general public inquiries on any ISA Ontario Chapter or arboriculture-related issue, contact Kathleen Pugliese at: 
7856 Fifth Line South
Milton, Ontario L9T 2X8
Ph. 1-888-463-2316 or 416-493-7022
Fax 1-855-329-4726 (1-855-FAX-ISAO)

Emails sent using the form below are automatically forwarded to ISAO Headquarters.

Our mission is to enhance and promote the care and benefit of trees for present and future generations in Ontario through education, research and awareness.