J.M. Brennan, Inc. Employee Directory

Q: What is J.M. Brennan, Inc. known for?

J.M. Brennan, Inc. was founded in 1932. J.M. Brennan, Inc. operates in the Construction industry.

Q: How many employees does J.M. Brennan, Inc. have currently?

J.M. Brennan, Inc. has approximately 185 employees.

ConstructionWisconsin, United States51-200 Employees

J.M. Brennan is a mechanical contractor dedicated to providing high performance HVAC, Building Controls, Plumbing, Process Piping, Industrial Sheet Metal, Fire Protection & Monitoring, Site Utilities and Electrical.  We employ over 500 of the most highly skilled Pipe Fitters, Plumbers, Sheet Metal Workers, Sprinkler Fitters, Service Techs, Controls Techs, & Electricians.  We provide engineering, sustainable design, and service 24/7.  Our customers include industrial, commercial, and healthcare facilities throughout Southern Wisconsin including Milwaukee and Madison.

Find J.M. Brennan, Inc. employees' phone numbers or email addresses

J.M. Brennan, Inc. Global Highlights

North America
154

United States Of America
153
Mexico
1

Africa
1

South Africa
1

Europe
1

Ireland
1

South America
1

Brazil
1

J.M. Brennan, Inc.'s Leadership

M. B.
Co-President
Mobile Phone
Email
J. B.
Co-President
Mobile Phone
Email
E. G.
Director Of Technology & Marketing
Mobile Phone
Email
J. T.
Director Of Controls
Mobile Phone
Email
M. L.
Safety Director
Mobile Phone
Email
T. K.
Controller
Mobile Phone
Email
J. H.
Director Of Construction Operations
Mobile Phone
Email
N. W.
Director Of Service Operations
Mobile Phone
Email

J.M. Brennan, Inc. Employee Metrics

100%

50%

2026

2025

2024

Program & Project Management
Civil Engineering & Construction
Accounting
Arts & Design
Administrative
Other

Contact profiles from J.M. Brennan, Inc.

Name

Title

Contact Info

Location

Last Update

M. B.
Co-President
Mobile Phone
Email
United StatesWisconsin
Feb 06, 2026
J. B.
Co-President
Mobile Phone
Email
United StatesWisconsin
Feb 06, 2026
E. G.
Director Of Technology & Marketing
Mobile Phone
Email
United States
Feb 06, 2026
J. T.
Director Of Controls
Mobile Phone
Email
United StatesWisconsin
Feb 06, 2026
M. L.
Safety Director
Mobile Phone
Email
Feb 06, 2026
T. K.
Controller
Mobile Phone
Email
United StatesWisconsin
Jan 29, 2026
J. H.
Director Of Construction Operations
Mobile Phone
Email
United StatesWisconsin
Feb 06, 2026
N. W.
Director Of Service Operations
Mobile Phone
Email
United StatesWisconsin
Feb 06, 2026
J. H.
Director Of Construction Operations
Mobile Phone
Email
Oct 17, 2024
N. B.
Fire Protection Construction Manager
Mobile Phone
Email
United StatesWisconsin
Jan 23, 2026

Frequently Asked Questions

What is J.M. Brennan, Inc. known for?

J.M. Brennan, Inc. was founded in 1932 operates in the Construction industry; you can contact the main corporate office by phone at

+1-414-342-****

. Explore J.M. Brennan, Inc.'s company overview page for more information.

What is J.M. Brennan, Inc.'s most common email format?

J.M. Brennan, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more J.M. Brennan, Inc. email formats with LeadIQ.

How many employees does J.M. Brennan, Inc. have currently?

J.M. Brennan, Inc. has approximately 185 employees as of February 2026. These team members are located across 4 continents, including North AmericaAfricaEurope.

Who are J.M. Brennan, Inc.'s key employees and leadership?

As of February 2026, J.M. Brennan, Inc.'s key employees include:

Co-President: M. B.
Co-President: J. B.
Director Of Technology & Marketing: E. G.
Director Of Controls: J. T.
Safety Director: M. L.

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