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 employs more than 375 talented, experienced tradespeople and skilled technicians.
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 employs more than 375 talented, experienced tradespeople and skilled technicians.
Services
Careers
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J.M. Brennan is the leading mechanical contractor in Milwaukee. We back our certified engineers, designers, technicians, and tradespeople with ongoing training and the right resources. We're interested in talented employees with experience in the industry as well as new people beginning their career.
Design
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J.M. Brennan has spent more than 85 years creating high-performance, tailored solutions for our customers. Today, we continue to build on a tradition of quality, workmanship, and superior value with the latest technology. To plan projects effectively, J.M. Brennan has professional engineers and designers in-house.
Engineering
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When you're comfortable in a space, or that space functions perfectly for its intended use, you don't think much about it. That level of comfort needs to be engineered by a contractor that listens to the customer. J.M. Brennan will design mechanical systems for a facility's specific needs, as well as ease of future maintenance and long-term energy efficiency.
Building Information Modeling BIM
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J.M. Brennan has extensive experience utilizing Building Information Modeling (BIM) on projects. We go beyond traditional 3-D use of BIM to 5-D-which includes the coordination and the fabrication. We take it to the next level by leveraging technology as a tool to integrate the design into the construction process.
Prefabrication
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We have a long history and experience in prefabrication on construction projects. Utilizing prefabrication can save both time and money. It will reduce installation costs, reduce the need for on-site fire watch for prefabricated work, improve quality control on welding, soldering, and assembly, lower material handling on-site, increase just-in-time deliveries, improve workflow on site, and reduce risk of injury.
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