The following individuals and organizations have endorsed the freedom to marry in Pennsylvania:

ACLU/ACLU of Pennsylvania
Freedom to Marry
Congregation Beth Ahavah, Philadelphia
AIDS Law Project of Pennsylvania
Alder Health Services
American Eagle Outfitters, Inc.
Attic Youth Center
Bike Pittsburgh
Rev. Josh Blakesley, United Church of Christ in Warminster
Pastor Keith Collins, Church of the Overcomer
Cultural Presets
Rep. Mary Jo Daley, Pennsylvania House of Representatives
Dauphin County Young Democrats
Delaware Valley Americans United
Delaware Valley Legacy Fund
Dignity Philadelphia
Rep. Darryl Doleman, Pennsylvania House of Representatives
Dreams of Hope (Pittsburgh)
Equality Forum
Equality PA
Erie Gay News
John Fetterman, Mayor of Braddock
First United Methodist Church of Pittsburgh
Rep. Dan Frankel, Pennsylvania House of Representatives
Freethought Society
Councilman William K. Greenlee, City of Philadelphia
Hangley Aronchick Segal Pudlin & Schiller
HIAS Pennsylvania
Hispanic Bar Association
JUDAH Fellowship Christian Church
Rabbi Beth Kalisch, Beth David Reform Congregation
Keystone Progress
Rev. Shanea D. Leonard, Pastor
LGBT Center of Central PA
LGBT Community Center of Northeastern Pennsylvania
Sen. Daylin Leach, Pennsylvania Senate
Marriage Equality USA
Marriage Equality for Pennsylvania
Mazzoni Center
Men of All Colors Together (MACT)/ Philadelphia
Patrick Murphy, Former US Congressman
NEPA Rainbow Alliance, Ince
New Hope Celebrates, Inc.
Michael A. Nutter, Mayor of Philadelphia
NW PA Pride Alliance
William Peduto, Mayor-elect of Pittsburgh
Pennsylvania Diversity Network
Pennsylvania Nonbelievers
Pennsylvania Student Equality Coalition
PFLAG New Castle
PFLAG of Erie & Crawford Counties
PFLAG Philadelphia
Philadelphia Coaltion of Reason
Philadelphia Family Pride
Prevention Point Philadelphia
Reconciling United Methodists of Eastern Pennsylvania
Councilwoman Natalia Rudiak, City of Pittsburgh
Rep. Michael Schlossberg, Pennsylvania House of Representatives
SeniorLAW Center
Congregation Rodeph Shalom, Philadelphia
Rep. Brian Sims, Pennsylvania House of Representatives
Support Center for Child Advocates
The Summit
TransFamily of Erie
Unity Fellowship of Christ Church Philadelphia
United Steelworkers International Union (USW)
Whosoever Metropolitan Community Church
William Way LGBT Community Center
Women’s Law Project
Chelsea Wagner, Allegheny County Controller
Xi Epsilon Tau Sorority, Inc.