J.M. Brennan, Inc. is located in Milwaukee, WI and proudly serves all of Southeastern Wisconsin. We're your single-source mechanical contractor for HVAC, plumbing, process piping, controls, industrial sheet metal, and 24/7 service. The craftsmen at J.M. Brennan understand the mechanics behind every component in your building. That's why we're able to offer solutions for even the most demanding projects. J.M. Brennan is the preferred mechanical contractor for hospitals, commercial buildings, universities, and manufacturing facilities.
J.M. Brennan is the only mechanical contractor you want on the job for your new building or addition. From the beginning, we are committed to the long-term success of a project. If we see an opportunity for improvement, or to minimize future maintenance, we communicate it. If we see a problem, we fix it. In addition to our talented tradespeople and superintendents, J.M. Brennan's project managers are extremely experienced in both design and construction. Our longstanding client relationships are proof that customer satisfaction is behind everything we do.
J.M. Brennan is a single-source mechanical contractor for design, build, and most importantly - service. Our 40 service technicians have the knowledge and experience to handle a full range of HVAC, plumbing, and fire protection problems.
J.M. Brennan is the leading mechanical contractor for all projects from simple to complex. To earn that reputation, we've made an unparalleled investment in our people and our capabilities. We maintain a seasoned, experienced team with a detail-oriented focus and a commitment to quality work. Our dedicated crew, including certified welders, steamfitters, sheet metal workers, plumbers, and service technicians, will ensure the timely completion of your next project.
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