Allied Mechanical, Inc. 4901 West 128th Place Alsip, IL 60803 Full Service Mechanical Contractor Welcome to Allied Mechanical, Inc. We are located South of the Chicago metro area and the 294 TriState tollway just off of Cicero Ave. Allied Mechanical, Inc., 4901 W. 128th Place, Alsip, IL Phone: (708) 597-7300 FAX: (708) 597-6933 Copyright © 2008, Allied Mechanical, Inc.