Colorado Force is a member of the USL W-League.  The W-League is comprised of 30 franchises in the US and Canada and feeds into the Women's Professional Soccer (WPS) league.  The WPS is comprised of 9 franchises.  Additionally, in the US, there is another amatuer league, the Women's Premier Soccer League (WPSL) which is comprised of 50 teams.

WPS

W-League

WPSL