J.M. Brennan, Inc. Alternatives & Competitors
12 companies similar to J.M. Brennan, Inc. — DESIGN - BUILD - SERVICE
Companies similar to J.M. Brennan, Inc.
DEEM, LLC
For your Commercial and Industrial Construction needs, choose DEEM, LLC
Indianapolis, United Stat...
Century 3, Inc.
From Architecture & Engineering to Procurement, Construction, & Maintenance — Integrated s...
Greer, United States
Pacific Rim Mechanical
Premier Mechanical Contractor in Southern California
San Diego, United States
F.E. Moran Group of Companies
We save lives, protect property, and create healthy environments. One Moran.
Northbrook, United States
Rival Readout
Competing with J.M. Brennan, Inc.? We do this properly.
10 rivals, 90 days of dated moves, ranked by what matters and sourced, in 7 business days.
Integrated Facility Services
Your Single-Point Resource for Mechanical Contracting & Service
Fenton, United States
Gamewell Mechanical LLC
Since 1966 With Gamewell Mechanical on the job, Contractors and Owners can feel comfortabl...
Salisbury, United States
P1 Construction, LLC
The Expertise of Many. The Power of One.
Lenexa, United States
James River Air Conditioning Company
When It's Comfort That Matters!
Richmond, United States
Andy J. Egan Co.
Best in Class for More Than a Century
Grand Rapids, United Stat...
Fraser Engineering Co., Inc., Women Owned
Commercial & Industrial Mechanical Contractor - HVAC / Plumbing / Process / Service Great...
United States
About J.M. Brennan, Inc.
J.M. Brennan, Inc., founded in 1932, is a seasoned mechanical contractor prominently serving industrial, commercial, and healthcare facilities across Southern Wisconsin, with key markets in Milwaukee and Madison. With a workforce exceeding 500 skilled professionals, including pipe fitters, plumbers, and electricians, J...
24/7 Emergency Service, Design and Engineering, Building Information Modeling (BIM), Prefabrication, New Construction, Remodels & Renovations, Equipment Install and Replacement, Preventive and On-Site Maintenance
Commercial Property Owners, Industrial Facilities, Builders and Developers, Renovation Contractors, Facility Managers
Mechanical Contractor, High Performance HVAC, Building Controls, Plumbing, Process Piping, Industrial Sheet Metal, Fire Protection, Fire Monitoring, Electrical, Site Utilities, Sustainable Design, Engineering Services, Industrial Facilities, Commercial Facilities, Healthcare Facilities
B2B, B2C
Project Based, Service Fee, Retainer
Frequently Asked Questions
From the desk
Mapping a market? Start with a Rival Readout.
In 7 business days we read 10 rivals around J.M. Brennan, Inc.: 90 days of dated moves, ranked by what matters to you, each with its source. Fully credited if you continue.
Compiled from the BounceWatch company index. We last looked at J.M. Brennan, Inc. on 1 Apr 2026. The 12 companies listed here were last checked between 12 Sep 2024 and 8 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
