Chicago Marriott Suites O'Hare
6155 North River Road
Rosemont, IL 60018
(847) 696-4400
Chicago Marriott Suites O'Hare This is in the same Riverway Center as the DISW office. You could literally walk from the hotel lobby to the training room without going outside. (Very convenient in the Winter.) They also have a shuttle to/from O'hare Airport.
Hyatt Place - Rosemont
6350 N. River Road
Rosemont, IL 60018
847-518-1234
Some amenities include: Onsite Restuarant, Complimentary Airport Shuttle, Complimentary WIFI, Onsite Parking