According to our records, this business is located at 8700 W Bryn Mawr Ave. in Chicago (in Cook County), Illinois 60631, the location GPS coordinates are: 41.9828381 (latitude), -87.8431918 (longitude). Expresstek Services is categorized under Computer Consultants (SIC code 7379). Known organization president is Calvin Denton. You can contact the company by phone at (773) 209-8087.