The United Reformed Churches in North America is a member of the North American Presbyterian and Reformed Council. NAPARC is made up of 13 denominations of like faith and practice seeking to give visible expression to their unity in Christ. Jesus prayed, "for those who believe in me . . . that they may be one . . . so that the world may beleive that you have sent me" John 17:20-21.
The NAPARC website can be found here.