1. Acoustek Nonwovens 637 E Big Beaver Rd Ste 213, Troy, MI 48083 Coordinate: 42.56302,-83.1352 Phone: (248) 689-7200
2. Soundwich Inc 850 Stephenson Hwy, Troy, MI 48083 Coordinate: 42.54293,-83.11785 Phone: (248) 607-3709