Become a Member
Your membership pays itself back through discounts on products, access to exclusive resources, and educational opportunities.Become a Member
Attend an Event
We promote safety in all that we do. MAC-ISA provides a huge array of educational events. Click below to view all the upcoming events.Register Online
Become Certified
Want to become a Certified Arborist or Tree Worker? Find out which of the ISA certification credentials best meet your needs.Become Certified
Upcoming Events
News & Announcements
Save the date for our Annual Meeting, October 1-3, 2023 in Morgantown, WV. See last year's program here!
MAC-ISA hosted the 2023 Annual Tree Climbing Championship at Morgan's Grove Park, Shepherdstown, WV. Congratulations to the 2023 Champions, Jeff Inman and Stephanie Littenberg! Read about it in the news. This article has a quote from TCC Champion, Jeff Inman!
With the support of volunteers and the Town of Culpeper, the Board of Directors planted a dogwood tree at Rockwater Park in Culpeper, Virginia on April 26th in recognition of Arbor Day. Read more.
The Board of Directors of MAC-ISA is pleased to announce that Liz Buxton has been named its new Executive Director. Liz will take over the helm from longtime Executive Director Nancy Herwig who is retiring at the end of May. You can contact Liz at This email address is being protected from spambots. You need JavaScript enabled to view it.. Read more.
MAC-ISA has upcoming Arborist Certification Courses, Tree Risk Assessment Qualification and Renewal Courses, and more ahead of us this year. Click here for our upcoming events. Check out the Green Industry events that we have listed near the bottom of the page as well.
Registration is available for our Certification courses and TRAQ courses and TRAQ renewal courses.
We have an updated Species Rating Guide & Tree Appraisal Guidelines for the Mid Atlantic Region
Safety Tips
Attend An Event
We promote safety in all that we do. MAC-ISA provides a huge array of educational events. Register for one of our events today!
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Annual Meeting Two-day event usually held in October.
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Tree Climbing Championship Chapter members showcase their climbing skills.
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Certification Courses Three-day course to become ISA Certified Arborists.
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Tree Risk Assessment (TRAQ) Consists of a 2-day educational course followed by a ½ day assessment
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Day of Safety To promote a culture of safety while fostering education.
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Tree Fund Events MAC-ISA partners with the Tree Fund.
