J M Brennan

Company Overview

Founded in 1932, J.M. Brennan is a mechanical contracting business serving the southeastern Wisconsin area. We specialize in the design and installation of boilers, chillers, air handling units, exhaust systems, ventilators, sanitary sewers, water treatment facilities, and heat recovery systems. We also provide piping solutions for food-grade, refrigeration, industrial gas, underground, and compressed air needs. Our team includes experienced designers, engineers, steam and refrigeration fitters, and sheet metal workers. As a family-run company, we employ a variety of equipment, like backhoes and dump trucks. J.M. Brennan also offers 24/7 repair and maintenance services and operates from our office in Milwaukee. Since its founding in 1932, JM Brennan has been a family-run business. Our location near downtown Milwaukee allows us to serve all of southeastern Wisconsin.