Contact Us / OST Chicago

450 East 22nd St.
Suite 240
Lombard, IL 60148

(312) 278-7111
(312) 278-7112 fax


Location: We are located off of 22nd Street just north of Butterfield Road and the Yorktown Shopping Center near the I-85 and I-355 interchange. We are on the second floor of a two story tan building across from the TownePlace Suites by Marriott.