OCISA | Home Page

Find an Arborist

We promote the hiring of companies who have ISA certified professionals on staff. ISA Certified Arborists® are held to a Code of Ethics and are encouraged to follow industry standards.

Continuing Education

Professional arborist are encouraged to keep current on best practices and industry standards through workshops, seminars, the annual conference and on-line education opportunities.

More Information

Become an Arborist

An ISA credential enables the public the opportunity to make an informed selection of services based on the knowledge and advanced training you demonstrate as a credential holder.

More Information

Ohio Chapter ISA

Upcoming Events

←	June 2025					→
S	M	T	W	T	F	S
1 Ohio Tree Climbing Championship Columbus, OH May 31 - June 1, 2025	2 OGIA Diagnostic Walkabout Spring Grove June 2, 2025	3	4 TRAQ Qualification Course SOLD OUT Westerville, OH June 4 - 6, 2025	5 TRAQ Qualification Course SOLD OUT Westerville, OH June 4 - 6, 2025	6 TRAQ Qualification Course SOLD OUT Westerville, OH June 4 - 6, 2025 Risks To Our Urban Forests and Woodlands Webinar June 6, 2025	7
8 Camp Canopy June 8 - 13, 2025	9 Camp Canopy June 8 - 13, 2025	10 Camp Canopy June 8 - 13, 2025 Tree Talk Tuesday - Managing Spotted Lanternfly in the Urban Forest Webinar June 10, 2025	11 Camp Canopy June 8 - 13, 2025	12 Camp Canopy June 8 - 13, 2025 Assessing Tree Decay Biology, Biomechanics and Risk Rocky River, OH June 12 - 13, 2025	13 Camp Canopy June 8 - 13, 2025 Assessing Tree Decay Biology, Biomechanics and Risk Rocky River, OH June 12 - 13, 2025 Ironwood Games Central Ohio June 13 - 14, 2025	14 Ironwood Games Central Ohio June 13 - 14, 2025
15	16	17	18	19	20 Trees And The Design/Build Industries Webinar June 20, 2025	21
22	23 Certified Arborist Preparation Course Registration Deadline: June 11 Canton, OH June 23 - 26, 2025	24 Certified Arborist Preparation Course Registration Deadline: June 11 Canton, OH June 23 - 26, 2025	25 Certified Arborist Preparation Course Registration Deadline: June 11 Canton, OH June 23 - 26, 2025	26 Certified Arborist Preparation Course Registration Deadline: June 11 Canton, OH June 23 - 26, 2025	27 ISA Written Exam Enrollment Deadline: June 11 Canton, OH June 27, 2025 Advanced Arboriculture and Tree Science Webinar June 27, 2025	28
29	30

July 7, 2025

OGIA Diagnostic Walkabout

Smale Riverfront Park

July 8, 2025

Tree Talk Tuesday - Tree vs. Dirt

Webinar

July 10, 2025

OGIA Diagnostic Walkabout

Kendal at Oberlin

view all events