Illinois, Chicago Area

From Chicago's Midway Airport

Exit Airport onto Cicero Avenue follow signs for I-55.  Take I-55-South toward Joliet/St. Louis.  Exit off of I-55 onto I-294 North (tollway you will need coins!) Exit off I-294N onto I-88 West (tollway you will need coins!). approximately  20 miles to exit off of I-88.  Exit off I-88 West at Farnsworth Avenue North.  Immediately get into left hand lane and Corp Blvd. is the first street on left. Take the 1st left hand turn lane.  Follow Corporate Boulevard to 1050 building, and GES is the first building on north side of street.

From Chicago's O'Hare Airport

Follow the signs to exit the airport heading toward I-294 South (tollway you will need coins!).  Take I-294 South to I-88 West (tollways you will need coins!).  Take I-88 West exiting at Farnsworth Avenue North (about 20 miles).
When exiting Farnsworth North, immediately get into left hand turn lane. 
Turn left (west)onto Corporate Boulevard.  1050 Corporate Boulevard, GES is the first building on the north side of the street.