Through its membership in the Presbyterian Church (USA) the Presbytery of Philadelphia is a member of the following ecumenical organizations or movements:

• World Council of Churches
• World Communion of Reformed Churches
• National Council of Churches of Christ
• Church World Service
• Churches Uniting in Christ
• Christian Churches Together
• Caribbean and North American Area Council
• New Fire

Regionally the Presbytery of Philadelphia is a member of:

• The Synod of the Trinity
• The Pennsylvania Council of Churches

Locally the Presbytery of Philadelphia is a member of:

• The Metropolitan Christian Council of Greater Philadelphia
• The Religious Leaders Council of Greater Philadelphia

Many Congregations are part of local ministeriums or gatherings of local clergy and congregations. In addition several congregation take part regularly in such Interfaith Activities as:

• Interfaith Walk for Peace and Reconciliation
• Philadelphia Interfaith Children’s Festival
• Heeding God’s Call