Directions to United Sign Search | Advanced Search | New Members | Coupons and Discounts | All Categories Advertising & Media >> Signs United Sign 444 Irwin AvenueMuskegon, MI 49442 | map Mr. Brent McKinnon 231-733-1877 | fax: 231-725-7314 Visit Site Get directions to: United Sign, 444 Irwin Avenue, Muskegon MI Get directions from: Click to Print This Page If you would like to see your business here, contact us today to get listed!