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J M Brennan, Inc.

J.M. Brennan, Inc. is a mechanical contractor performing HVAC, Plumbing, Process Piping, Industrial Sheet Metal, Controls, and Service for the Industrial, Commercial, and Healthcare customers in southeastern Wisconsin.... Read more


To provide the best service, quality, and workmanship to our customers.... Read more

Additional Culture Details

JM Brennan prides itself on our employees, our vendors, our customers, and our 85 year history of providing the highest level of service, quality, and workmanship to Southeastern Wisconsin.... Read more


Milwaukee, WI


290 US Employees


Heating, Ventilation, Air Conditioning, & Refrigeration

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