The many civic, social and athletic organizations are sometimes the backbone of Green Tree Borough, providing the foundation of Green Tree activities. Check the Calendar of Events to see when a particular group meets, check out their web page or contact the Borough Office at (412) 921-1110 for more information about any of these fine organizations.

Greentree Athletic Association (GAA)

KO Soccer Association

Green Tree Rotary

Green Tree Garden Club

Friends of the Library

American Legion Post #823

Green Tree Great White Sharks

S.E.E.D. (Society for Educational Environmental Development)

Green Tree Woman's Civic Club

Green Tree Seniors

Green Tree Historical Society

Boy & Girl Scouts