Professional Affiliates are member organizations that aim to supplement your ISA membership with resources and networks geared specifically toward your area of practice. The Professional Affiliates below outline available opportunities for specialized activities.

Arboricultural Research and Education Academy

Arboricultural Research and Education Academy (AREA) members are scientists and educators in all tree-related disciplines working toward the scientific understanding of woody plants and their care.

• Supports efforts of faculty, students, and researchers
• Coordinates the educational program at the ISA Annual Conference

Society of Commercial Arboriculture

Society of Commercial Arboriculture (SCA) members are concerned with establishing and sustaining long-range programs such as management, business trends, certification, legal issues, safety standards, compliance, equipment evaluation, job costing, and tree evaluation.

• Publishes quarterly newsletter, SCAToday
• Creates a network of leading commercial arborists throughout the world
• Hosts annual meeting devoted exclusively to topics of concern
• Supports the International Tree Climbing Championship
• Supports the Tree Dynamics and Arborists’ Techniques Fund
• Helps support college scholarships and tree care-related research

Society of Municipal Arborists

Society of Municipal Arborists (SMA) is an organization of persons actively engaged in municipal arboriculture or in related fields and who care for community trees.

• Holds its own annual meeting, conference, and trade show
• Holds a one-day workshop/tour at the annual ISA international conference
• Offers a forestry department accreditation, the "gold standard" for municipal tree care programs
• Offers a week-long leadership institute designed to increase effectiveness personally, professionally, and programmatically
• Provides peer-to-peer learning through member e-lists, forums, and social media pages
• Offers world-wide Arborist Exchange program
• Provides electronic "City Trees" magazine, 40 pages full of municipal information

Utility Arborist Association

Utility Arborist Association (UAA) sustains long-range programs and communications regarding the technologies and methods of tree and vegetation management as they affect utilities.

• Publishes Utility Arborist Newsline six times a year
• Holds an UAA Annual Meeting
• Sponsors regional workshops
• Funds an annual UAA scholarship
• Promotes UAA annual awards programs
• Produces UAA publication and videos

ISA is connected to other related organizations in the green industry. Explore more ways to make a difference in your community.

Cooperative Organizations

• European Arboricultural Council
• Centre for Urban Greenery and Ecology (CUGE)
• Institute of Applied Ecology, Chinese Academy of Sciences
• National Parks Board (NParks)
• TREE Fund

Topical Resources

• Sudden Oak Death
• Emerald Ash Borer Pest Alert
• Forest Health Protection
• Tree Ordinance Guidelines
• Urban & Community Foresty
• Forest Health Publications
• Tree Line Connection

Professional Resources

• Phytosphere Research
• Insurance Information
• Treesearch—USDA
• Urban Forestry Database

Green Organizations and Programs

• American Forests
• American Phytopathological Society
• American Society of Consulting Arborists
• Arbor Day Foundation
• Association of Northwest Landscape Designers
• Association of Professional Landscape Designers
• Colorado Tree Coalition
• Connecticut Tree Protective Association
• Earthworks
• EcoIQ.com
• EcoSpeakers.com
• Fairfax Releaf (Virginia)
• Forest Engineering Research Institute of Canada (FERIC)
• International Tree Foundation
• Massachusetts Arborists Association
• Missouri Community Forestry Council
• The National Forest Foundation
• Northern Nut Growers Association, Inc.
• Ohio Nursery and Landscape Association
• Professional Tree Care Association of San Diego County
• Society of American Foresters
• South Carolina Forestry Commission
• Southern Nevada Arborist Group
• Sustainable Urban Forests Coalition
• Think Trees New Mexico
• Tour des Trees
• Tree Canada Foundation
• Tree Care Industry Association
• Tree Works Environmental Practice
• TreeLink
• WebGarden

Arboricultural Education

• Capel Manor College—London
• Clemson University
• Myerscough College
• School of Forest Resources, University of Georgia
• Sir Sandford Fleming College
• University of Guelph
• University of New Brunswick, Faculty of Forestry
• Urban Forestry Institute in Florida
• Urban Forests Centre, University of Toronto
• Urban Forests Ecosystem Institute, College of Agriculture at California
• Western Center for Urban Forest Research and Education—Davis, California
• Western Illinois University Forestry Club