J.M. Brennan, Inc.
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J.M. Brennan, Inc.
J.M. Brennan is a mechanical contractor dedicated to providing high performance HVAC, Building Controls, Plumbing, Process Piping, Industrial Sheet Metal, Fire Protection & Monitoring. We employ over 400 of the most highly skilled Pipe Fitters, Plumbers, Sheet Metal Workers, Sprinkler Fitters, Service Techs, and Controls Techs. We provide engineering, sustainable design, and service 24/7. Our customers include industrial, commercial, and healthcare facilities throughout Southern Wisconsin including Milwaukee and Madison.