Associate Reformed Presbyterian Church
The Association of Reformed Baptist Churches of America
Bible Presbyterian Church
Canadian and American Reformed Churches
Continental Baptist Churches
The Evangelical Presbyterian Church (Ireland)
The Evangelical Reformed Churches Of Singapore
Free Presbyterian Churches of North America
Orthodox Presbyterian Church
Protestant Reformed Churches
The Reformed Churches of Australia
Reformed Churches of New Zealand
Reformed Church in the United States
The Reformed Episcopal Church
The Reformed Presbyterian Church of Ireland
Presbyterian Reformed Church
Free Reformed Churches of North America
Presbyterian Church in America
United Reformed Churches in North America
The Free Church of Scotland
International Conference of Reformed Churches

Members include The Associate Reformed Presbyterian Church, The Canadian Reformed Churches, The Christian Reformed Churches in the Netherlands, The Evangelical Presbyterian Church in England and Wales, The Evangelical Presbyterian Church of Ireland, The Free Church in Southern Africa, The Free Church of Central India, The Free Church of Scotland, The Free Reformed Churches in South Africa, The Free Reformed Churches of North America, Gereja Gereja Masehi Musyafir N.T.T., The Orthodox Presbyterian Church, The Presbyterian Church in Korea (Kosin), The Presbyterian Chruch of Eastern Australia, The Reformed Church in the United States, The Reformed Church in the Netherlands (Liberated), The Reformed Churches of New Zealand, The Reformed Presbyterian Church of Ireland, The Reformed Presbyterian Church of North America, and The United Reformed Churches in North America.