Udac, Inc. Udac, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Family, Community & Non-Profit >> Non-Profit Udac, Inc. 4724 Mike Colalillo DriveDuluth, MN 55807 (218) 722-5867 | fax: (218) 722-0209 Visit Site Send a message to: Udac, Inc. Your Name: Your Email: Subject: Message: (Date: 1/18/2021)