Directions to 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 | map Mr. Dave Shaffer 616-245-0800 | fax: 616-245-3974 Visit Site Get directions to: Interphase Interiors, Inc., 415 Leonard St. NW, Suite 110, Grand Rapids MI Get directions from: Click to Print This Page If you would like to see your business here, contact us today to get listed!