From their history page: http://thenalc.org/history/
The NALC is a fast-growing Christian church in the Lutheran tradition, uniting more than 141,000 Lutherans in more than 400 congregations across North America. The NALC embodies the theological center of Lutheranism in North America and stands firmly within the global Lutheran mainstream.
Another one for those seeking support to leave the ELCA
I belong to one of these LCMC affilliates and it has worked well for our growing congregation.