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MECHANICAL CONTRACTORS

Hayes Mechanical

5959 S. Harlem Ave.
Chicago, IL 60638
Telephone: 773-784-0000 Fax: 773-784-0010
www.hayesmechanical.com

Kroeschell, Inc.

3222 N. Kennicott Ave
Arlington Heights, IL 60004
Telephone: 312-649-7980
www.kroeschellinc.com

W.J. O’Neil Chicago LLC

224 N. Justine
Chicago, IL  60607
Telephone:  312-470-6300    Fax:  312-470-6305
www.wjo.com