Национальная ассоциация евангельских христиан(Fellowship of Evangelical Protestant groups in the United States, founded in 1942 by 147 Evangelical leaders. The umbrella group represented about 40 denominations (объединений церквей) and 45,000 churches in 2017)
Национальный совет Церквей Христовых США(An agency of Protestant, Anglican, and Eastern Orthodox denominations that was formed in 1950 in the United States by the merger of 12 national interdenominational agencies)
Польская национальная католическая церковь Америки(Old Catholic church that arose in the late 19th and early 20th centuries among Polish immigrants in the United States who left the Roman Catholic church)
