Contact Our Watson, IL Location DMI Services 6519 N US Hwy 45 Watson, IL 62479 Get Directions Mailing Address PO Box 1346 Effingham, IL 62401 Main: (217) 536-5100 Business Hours Mon – Sun Open 24 Hours VISIT US DMI Property Improvement Services 804 S Henrietta Effingham , IL 62401 Get Directions CONTACT US Main: (217) 536-5100