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About Illinois Arborist Association


Our mission: “Foster interest, establish standards, exchange professional ideas and pursue scientific research in Arboriculture.”

Certified Arborist Business Listing Service

Do you have a Certified Arborist on Staff? Your company can be listed on our Business Listings page for residents to search for Certified Arborists for Hire

Educational Opportunities in Tree Care & Safety

Member Discounts on Conferences, Workshops, Exams, Books & More

Professional Recognition

With use of your exclusive IAA Member Logo as well as through the IAA Awards Program

Read MORE


Healthy Trees, Happy Homes

IAA Services

Find An Arborist
Illinois Trees Newsletters
Employment Opportunities
Business Listings for Certified Arborists
IAA Partners
Legislative
Plant Appraisals for Illinois
Arborist Resources and Forum

IAA Fun Facts

1308

Current IAA Members

1598

Certified Arborists in IL

64

Municipal Arborists

91

Utility Arborists

48

Tree Worker Climber Specialist

38

Board Certified Master Arborist

1

Tree Worker Aerial Lift Specialist

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Which Certifications are Right for Me?

IAA Products

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Opposite Leaf ID Photo Quiz #2 – 1/2 CEU (IAA Non-Member Rate)
$15.00
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Species Requirements Quiz – 1 CEU (IAA Non-Member Rate)
$30.00
Illinois Arborist Association
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Single Arborist Certification Class
$25.00
Leaves turning orange
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Opposite Leaf ID Photo Quiz #1 – 1/2 CEU (IAA Non-Member Rate)
$15.00
Illinois Arborist Association
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Plant Diseases Quiz – 1 CEU (IAA Non-Member Rate)
$30.00
Illinois Arborist Association
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Chainsaw Maintenance Video – 1 CEU (IAA Non-Member Rate)
$30.00
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Abiotic Stresses Quiz – 1 CEU (IAA Non-Member Rate)
$30.00
Illinois Arborist Association
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Student Membership
$25.00
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IAA Member Dues
$55.00
Illinois Arborist Association
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ISA Member Dues
$135.00
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IAA Officers

Eric Hendrickson

President-Elect

Joe Hansen

Vice President

Tony Dati

Past President

Aaron Schulz

ISA CoR Liaison

Dan O’Brien

President

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IAA Testimonials

What Our Members Say

(Click/Tap on Read More for full testimonial)

The Illinois Arborist Association has been instrumental in my career development as a municipal arborist.  April, Monica, and the board do an outstanding job supporting the arboricultural industry by providing quality educational programming and exc... Read More...

Michael Collins

Riverside Department of Public Works

I am emailing you to let you know I passed the exam this morning and also to thank you for your help through this whole process. I was in the Lombard class that was finished smoothly via Zoom, had an unexpected medical exemption from my first exam da... Read More...

Thank you!
I joined the IAA and became a Certified Arborist in 2010.  It was one of the best decisions I have ever made.   The path that IAA has taken me on has never been dull and always full of great adventures.  Education is a key component to the organi... Read More...

Tony Dati

Village of Niles Public Works

I am a proud member of the Illinois Arborist Association! They are an excellent State Chapter of the International Society of Arboriculture. The IAA focuses heavily on the continuing education component so critical to the Arboricultural Industry. I a... Read More...

Daniel M Miraval

Green Extraction Technologies, LLC

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