Alliance for Community Trees
201 Lathrop Way, Suite F
Sacramento, CA 95815
(800)ACT-8886
E-mail: act@macnexus.org

ACT provides support for nonprofit organizations involved in planting trees and educating the public about the benefits of trees in urban areas. Organized in 1993, the group has grown to 50 member organizations throughout the United States.

American Forests
P.O. Box 2000
Washington, DC 20013
(202)955-4500

American Forests is the nation's oldest citizen conservation organizations and a leading force in the protection and management of forest resources in America. In addition to its general research and education programs, it operates the Global ReLeaf program, the National Urban Forest Council, and the Citizen Forestry Support System to encourage people to plant and care for trees.

National Arbor Day Foundation
211 N. 12th St.
Lincoln, NE 68508
(402)474-5655

A major program of the foundation is the Tree City USA program. This program has recognized over 2,000 municipalities for their urban forestry efforts. Other programs include Tree Line USA, Conservation Trees, Trees for America, Arbor Day Farms, and Rain Forest Rescue.

International Society of Arboriculture
P.O. Box 908
Urbana, IL 61801
(217)328-2032

A nonprofit organization for municipal foresters and professionals in arboriculture and urban forestry. Membership totals over 9,000 including 7,000 certified arborists. Major programs include funding urban forestry research (over $100,000 per year) and certification programs designed to improve the knowledge of urban forestry professionals.

National Association of State Foresters
444 N. Capital St. N.W., Suite 540
Washington, DC 20001
(202)624-5415

The association represents the directors of the state forestry agencies from all fifty states, seven U.S. territories and the District of Columbia. State forestry organizations provide statewide linkage, program management, and delivery systems for the skills and technical services that encompass the USDA Forest Service Urban and Community Forestry Program.

National Tree Trust Foundation
1120 G Street, N.W., Suite 770
Washington, DC 20005
(202)846-TREE

A nonprofit organization that has distributed trees to over 500 community groups across the nation. The Trust planted over 1.1 million trees in 1996. Their Growing Together program is established in 31 states and has involved over 100,000 students in tree-planting efforts. Through their grant program they have provided over $1 million in grants to 53 organizations in 29 states.

Society of American Foresters
5400 Grosvenor Lane
Bethesda, MD 20814
(301)897-8720

An organization of 18,000 members involved in allied areas of professional forestry. The organization has an urban forestry working group. This group provides support through conference organizing, newsletters, and continuing forestry education credits for professional foresters.

Society of Municipal Arborists
7000 Olive Branch Road
St. Louis, MO 63130-2300
(314)862-1711

The organization's approximately 500 members promote interest in the planting and maintenance of public trees and the preservation of public open space. The organization and many of its members are actively involved in research on urban street trees. Also, the organization administers Municipal Forestry Development and County Forestry Development accreditation programs.

USDA Forest Service
210 14th St. S.W.
Washington, DC 20250
(202)205-9694

The lead federal agency for providing technical and financial assistance and research on urban and community forestry for the nations 45,000 cities and towns where 80% of the U.S. population resides. The Forest Service works with state foresters and other partners to deliver the financial and technical assistance available through its Urban and Community Forestry Program.