C

• Church of Scotland‎ (10 C, 144 P, 2 F)

P

• Presbyterian Church in Ireland‎ (1 C, 15 P)

R

• Reformed Church in America‎ (3 C, 9 P)
• Reformed Church in Hungary‎ (1 C, 7 P)
• Reformed Church in Romania‎ (2 C, 1 P)

U

• United Church of Canada‎ (4 C, 16 P)
• United Church of Christ‎ (6 C, 26 P, 1 F)
• United Reformed Church‎ (4 C, 4 P)

• World Alliance of Reformed Churches

D

• Dutch Reformed Church

E

• Evangelical Presbyterian Church (United States)

F

• First Church in Charlestown

I

• Church of South India

K

• Kiribati Uniting Church

O

• Old South Church

P

• Protestant Church of Algeria
• Protestant Church of Switzerland

R

• Reformed Church in Romania
• Reformed Synod of Denmark

U

• Union of the Armenian Evangelical Churches in the Near East
• United Reformed Church