Dave Shaffer

CEO

Grand Rapids

415 Leonard St NW, Suite 110
Grand Rapids, MI 49504
Call: (616) 245-0800
Fax: (616) 245-3974
Email: info@interphaseinc.com

2636 N Garfield Rd #32
Traverse City, MI 49686
Call: (231) 941-4454
Fax: (231) 941-2252
Email: info@interphaseinc.com