Engineers Engineers {Directory Results} Search Radius... 1 mi 5 mi 10 mi 50 mi 100 mi Engineers Results: 6 TKDA 11 East Superior Street, Suite 420, Duluth, MN 55802 (218) 724-8578 Visit Website Obernel Engineering 525 South Lake Avenue, Suite 222, Duluth, MN 55802 (218) 722-3060 Visit Website Barr Engineering Co. 325 South Lake Avenue, Duluth, MN 55802 (218) 529-8200 Visit Website SEH 418 West Superior Street, Suite 200, Duluth, MN 55802 (218) 279-3000 Visit Website LHB Inc. 21 West Superior Street, Suite 500, Duluth, MN 55802 (218) 727-8446 Visit Website Lake Superior Consulting, LLC 130 West Superior Street, Suite 500, Duluth, MN 55802 (218) 727-3141 Visit Website Powered By GrowthZone