JM Brennan, Inc.

JM Brennan, Inc. HVAC - CONTROLS - PLUMBING - PIPING - FIRE PROTECTION - UNDERGROUND UTILITIES - ELECTRICAL- SERVICE

Happy Labor Day to the Friends, Families and Team at JM Brennan! ☘️
09/07/2026

Happy Labor Day to the Friends, Families and Team at JM Brennan! ☘️

We are the proud owners of a lamb! 🐑
09/04/2026

We are the proud owners of a lamb! 🐑

The HVAC, Plumbing and Electrical Service Teams held a team building Sporting Clays Event today! ☘️
08/29/2026

The HVAC, Plumbing and Electrical Service Teams held a team building Sporting Clays Event today! ☘️

The Women of JM Brennan enjoyed a day of team building aboard a pontoon boat on the Milwaukee River! Thank you to Alain...
08/27/2026

The Women of JM Brennan enjoyed a day of team building aboard a pontoon boat on the Milwaukee River! Thank you to Alaina Cartagena for all your planning. 🛥️

Proud to be a part of this project! ☘️
08/20/2026

Proud to be a part of this project! ☘️

The new 32’ sign is going up on the roof of the new Pipe Prefabrication Shop on Wheelhouse Road east of American Family ...
08/18/2026

The new 32’ sign is going up on the roof of the new Pipe Prefabrication Shop on Wheelhouse Road east of American Family Field! ☘️

Join Us!!! 🏍️
08/07/2026

Join Us!!! 🏍️

94 years ago John Brennan Sr. began a legacy. His son John Brennan, Jr. expanded upon it and his two grandsons John and...
07/06/2026

94 years ago John Brennan Sr. began a legacy. His son John Brennan, Jr. expanded upon it and his two grandsons John and Matt built what is JM Brennan today. The first name in Mechanical Contracting in Southern Wisconsin. 800 employees. HVAC, Controls, Plumbing, Piping, Fire Protection, Electrical, Underground Site Utilities and Service. The legacy continues. ☘️

Address

2101 W St Paul Avenue
Milwaukee, WI
53233

Telephone

+14143423829

Website

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