"To many, the idea of white activists taking leadership and doing anti-racist organizing in white communities is a theoretical notion. However, the work of People Against Racism and People for Human Rights provides concrete examples of white anti-racist organizing."
In this paper, "The Role of White Activists in Movements for Racial Equality", written in 2008, Ted Cullinane discusses People Against Racism (PAR), in Detroit, and People for Human Rights (PHR), in Philadelphia, both offshoots of NSM.
Link to Ted Cullinane paper