1. General Filters Inc 43800 Grand River Ave, Novi, MI 48375 Coordinate: 42.48272,-83.47965 Phone: (248) 349-2481
2. Advanced Concepts-The Envrnmnt 43422 W Oaks Dr, Novi, MI 48377 Coordinate: 42.49112,-83.47765 Phone: (248) 366-6636