Joseph & Sophia Abeles Foundation
American Bonsai Society

Bay Island Bonsai (California)
Bonsai Clubs International

Bonsai Society of Acadiana
Bonsai Society of Greater New Haven
Bonsai Society of Lehigh Valley (Pennsylvania)

Bonsai Society of Kalamazoo

Bonsai Society of Upstate New York
Brandywine Bonsai Society

California Bonsai Society
California Shohin Society

Corpus Christi Bonsai Club

Delaware Valley Bonsai Study Group, (Pennsylvania)
Fort Walton Beach Bonsai Society (Florida)
Friends of the National Arboretum

Greater Evansville Bonsai Society (Indiana)
Greater New Orleans Bonsai Society

Inland Empire Bonsai Society (California)

Kofu Bonsai Kai (California)
Mid-Atlantic Bonsai Societies
Monastery of the Holy Spirit (Georgia)
Mohawk-Hudson Bonsai Society

Nashville Bonsai Society

Pennsylvania Bonsai Society
Potomac Bonsai Association
Potomac Viewing Stone Group

San Diego Bonsai Club

Santa Anita Bonsai Society

Sanctuary Bonsai, (Connecticut)
Sei Boku Bonsai Kai (California)
Shanti Bithi Nursery (Connecticut)
Stone Lantern Discoveries

Triangle Bonsai Society (North Carolina)
Virginia Bonsai Society

Water Stone Press (California)
Yama Ki Bonsai Society, Inc. (New York)