Auth Consulting & Associates, Inc. Share: Engineers Auth Consulting & Associates, Inc. Visit Website 2920 Enloe Street Hudson, WI 54016 (715) 381-5277 Facebook About Map About For 20 years Auth Consulting & Associates has provided Planning, Designing, Engineering, and Surveying services to individuals, commercial & industrial enterprises, and public institutions. What's Nearby? Distance: 5 10 15 20 25 50 mi.