The Independent Evangelical Catholic Church in America
- United States. Has made a few pastoral reforms, but otherwise very similar to the Roman Catholic Church. Apostolic succession in the Vilatte and Duarte Costa lines. Map of dioceses, list of clergy, FAQ, position statements, code of canon law.
- http://www.evangelicalcatholicchurch.org/

Ecumenical Catholic Church
- An inclusive church in the Duarte Costa line of succession. Present in the United States. Explanation of basic beliefs, photo directory of leadership, contact information.
- http://www.ecchurch.org/

AmerTradCath
- E-mail news list for members of the American Traditional Catholic Church.
- http://groups.yahoo.com/group/amertradcath/

Christian Heritage Catholic Church
- Independent, autonomous Catholic institution with congregations in Philadelphia and Baltimore. Mission statement, locations, biographical profile of the presiding prelate.
- http://www.chccworld.org/

Catholic Apostolic Church in North America
- Independent, autocephalous Catholic Church. Duarte Costa succession. Western theology. Congregations may use Roman Catholic, Anglican, or Eastern liturgical rites. Two religious orders: Franciscans and Benedictines.
- http://www.cacina.org/