Spalding DeDecker Associates, Inc. Share: Civil Engineering & Surveying Spalding DeDecker Associates, Inc. Visit Website Request Info 905 South Boulevard East Rochester Hills, MI 48307 (248) 844-5400 (248) 844-5404 (fax) www.spaldingdedecker.com Map What's Nearby? Distance: 5 10 15 20 25 50 mi.