Mainstreet Federal Credit Union
Mainstreet FCU first opened in 1953. It has over 70,000 members at 11 locations. It was created by school teachers using a vacant classroom as their office.
The field of membership includes Douglas, Franklin, Johnson, Leavenworth, Linn, Miami, and Wyandotte County.
Headquarters: 13001 W 95th St, Lenexa, KS 66215