International Society of Arboriculture (ISA)

The International Society of Arboriculture is a worldwide network of professional arborists actively engaged in the growth and development of themselves, their companies and employees, and the industry. Membership in ISA provides you with opportunities for personal and professional growth and connects you to other professionals with similar needs, career goals, and interest in improving the arboricultural profession.

When you join both ISA and your local ISA chapter, you receive information about trends and issues within the profession from around the globe, as well as a network of colleagues and resources tailored to your local needs. Chapter memberships support local programs, regional tree climbing competitions, and much more.

For more information on upcoming events or how to join ISA and/or your local chapter, click here.

Utility Arborist Association (UAA)

The Utility Arborist Association is the premier organization for individuals and companies who desire to provide professional utility arboricultural services. Members of the UAA and their employers have a commitment to the public to enhance the practice of arboriculture.

Through the International Society of Arboriculture, the UAA is made up of people serving people, to enhance the quality of utility arboriculture. Their mission is to provide UAA members with opportunities to improve their skills and knowledge, and enhance public awareness.

The UAA accomplishes its mission through communication and education via the Utility Arborist Newsline, the UAA Annual Meeting, the UAA website, sponsoring regional workshops, an annual UAA scholarship, UAA annual awards programs, and UAA publications and videos. The UAA sustains long-range programs and communications to stay abreast of ever-changing technologies in tree and vegetation management on utility rights-of-way.

To be a part of this rapidly growing organization, please go to theRegistration page to sign-up, or call 217-355-9411 for more information.

Phone: 1-877-602-7267
Fax: 1-989-775-0835


Physical Address:
3700 East River Road
Mount Pleasant, MI 48858
See Map

Mailing Address
(including Payments):
P.O. Box 1905
Mount Pleasant, MI 48804-1905

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