Map for Interphase Interiors, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Industrial & Manufacturing >> Furniture & Related Product Manufacturing Interphase Interiors, Inc. 415 Leonard St. NW, Suite 110Grand Rapids, MI 49504 | directions Mr. Dave Shaffer 616-245-0800 | fax: 616-245-3974 Visit Site If you would like to see your business here, contact us today to get listed!