J M Brennan Inc

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.

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 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.

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.