1. Topeka Sand & Silt Co 3900 NE Belmont Ave, Topeka, KS 66616 Coordinate: 39.07357,-95.60791 Phone: (785) 233-9849
2. Mid-states Materials 1800 NW Brickyard Rd, Topeka, KS 66618 Coordinate: 39.08256,-95.72484 Phone: (620) 864-2013