1. Midwest Engineering & Design 3100 Brown Station Rd Ste C, Columbia, MO 65202 Coordinate: 38.98212,-92.29324 Phone: (573) 875-0045
2. Pertech 51 N Rangeline Rd, Columbia, MO 65201 Coordinate: 38.94908,-92.20461 Phone: (573) 303-3737