MCA of Chicago contractors are the most qualified and safe contractors available in industrial piping, new construction, and HVAC service.

Their union workforce consists of over 6,000 highly-trained pipefitters and service technicians who have completed a rigorous five-year training program in Local Union 597’s state-of-the-art training facility.

Our member contractors are extremely educated, highly professional, and the most high-quality, cost-efficient contractors you will find. When you work with an MCA of Chicago member company, you know you can trust them with your next job.

If you are a member looking to update your information, email

809 North McCool Road
Valparaiso, IN 46307

Ron Owen

Air Con Refrigeration & Heating, Inc.
123 Lake St.
Waukegan, IL 60085

Michael Abdula

AT Mechanical, LLC
2000 Hawthorne Ave. Melrose Park, IL 60160

Alex Tompsidis

Built3d LLC
20654 Burl Court Ste C Joliet, IL 60433

Jason Ashburn

Dynamic Heating & Piping
4739 W. 136th St. Crestwood, IL 60418

Thomas Mulcahy


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