About Us
Mission Statement: The Western Chapter ISA is a member driven organization dedicated to fostering a greater appreciation for trees by promoting research and education to advance the professional practice of arboriculture
Officers 2008/2009
Historical Officer Listing - 1934 to Present
Publication Order Form
| ISA Members-2456 Chapter only-157 Certified TW-506 Cert Arborists-2668 -Utility Specialists-245 -Municipal Specialists-35 -BCMA-30 |
ISA Members-124Chapter only-10 Certified TW-6 Cert Arborists-177 -Utility Specialists-8 -Municipal Specialists-6 |
ISA Members-358Chapter only-5 Certified TW-60 Cert Arborists-357 -Utility Specialists-46 -Municipal Specialists-13 |
ISA Members-117 Chapter only-5 Certified TW-55 Cert Arborists-187 -Utility Specialists-6 -Municipal Specialists-4 -BCMA-1 |
The Western Chapter of the International Society of Arboriculture was formed in 1934. It is a nonprofit corporation comprised of over 3200 persons in Arizona, California, Hawaii and Nevada engaged or interested in the practice of arboriculture.
The Chapter strives to: