U.S. Corp of Engineers – St. Louis » Directory U.S. Corp of Engineers – St. Louis » Directory Go back to directory. Add to Address Book. U.S. Corp of Engineers – St. Louis U.S. Corp of Engineers – St. Louis Contact: Michael Gawedzinski, GIS Administrator/Cartographer Work US Army Corp of Engineers – MVS 1222 Spruce Street – Fourth Floor – EC-S St. Louis MO 63103-2833 work Work Phone: 314-331-8370work Categories: Federal Updated 4 years ago.