Are you aware of the following link. It contains, I think three Chicago area testers; Naperville, Skokie, and the area around Great America I think.
http://giftedissues.davidsongifted.org/BB/ubbthreads.php/topics/36728/1.htmlhttp://giftedissues.davidsongifted....osing_a_tester_with_2E_e.html#Post112049From the top thread
Elizabeth Mika - Gurnee, IL
(north of Chicago)
Dr. Mark McKee in Naperville, IL.
Dr. Jerry Schecter. He is our district school pyschologist. He's also a SENG group leader and highly interested in supporting gifted children. His private practice is in Skokie, IL.