Welcome to MAC-ISA
The MAC-ISA is a non-profit professional organization of arborists, urban foresters, and others involved in the caring of trees.Our membership is made up of people from commercial, utility municipal sectors, educational institutions and other green industry related fields.Our mission is to promote a culture of safety while fostering education and research that supports the care and benefits of trees. Our chapter area includes District of Columbia, Maryland, Virginia and West Virginia.
News and Events
- MAC-ISA TRAQ courses and Certification Courses - Our 2017 schedule for Certification and TRAQ courses is now posted. Certification courses are open for enrollment. Click here for more information.
- Bonnie Appleton Memorial Fund Update: HELP US REACH OUR FUNDRAISING GOAL OF $100,000 to endow this scholarship. We need your help to finish our goal! Please donate. Read more under our TREE Fund link.
- Upgraded ISA on-line Learning Center is now live! Click here to see the updated on-line Learning Center where you can take courses and earn CEUs.
- To hire a certified arborist in the Mid-Atlantic go to www.goodtreecare.com.