MG+M’s O’Fallon, Illinois, office is situated at the I-64 and Green Mount Interchange, with easy access to I-64. We are 15 minutes from St. Louis and 30 minutes from St. Louis Lambert International Airport. Our office is next to the Regency Conference Center with multiple fine-dining restaurants and hotels within a half a mile.
The O’Fallon office is transitioning to our new Edwardsville, Illinois, location beginning in the fourth quarter of 2025..