24/7 Service, Quality Work, and Customer Focused Approach
For over 90 years, J.M. Brennan, Inc. has been a leading mechanical contractor in Milwaukee, Wisconsin. Our company was founded in 1932 by John M. Brennan, Sr., who emigrated from Ireland to start a new life in the United States. Despite the challenges of the Great Depression, Mr. Brennan Sr. persevered and built a reputation for quality workmanship and customer satisfaction.
Our History
John M. Brennan, Jr. took the reins in the 1970s and expanded the company's capabilities and services. In 1997, the next generation of Brennans, Matt and John, took over the company. Under their leadership, J.M. Brennan has continued to grow and thrive, becoming the leading mechanical contractor in Southeastern Wisconsin.
Our Capabilities
At J.M. Brennan, we have the knowledge, resources, and past experience to handle all your mechanical contracting needs. From design and build to 24/7 service, we have solutions for:
- HVAC
- Plumbing
- Process Piping
- Industrial Sheet Metal
- Controls
- 24/7 Service
- Fire Protection
Our Services
Our team of certified engineers, designers, technicians, and tradespeople work together to deliver exceptional results. We offer a range of services, including:
- Design Engineering
- Building Information Modeling (BIM)
- Prefabrication
- Build New Construction
- Prefabrication Remodels & Renovations
- New Equipment Install
- Custom Solutions
- Service On-Site Maintenance
- Equipment Replacement
- Preventive Maintenance
- 24/7 Emergency Service
Our Commitment to Quality
At J.M. Brennan, we take pride in our commitment to quality. We employ more than 375 talented, experienced tradespeople and skilled technicians, and our fleet of 130 trucks is one of the largest in Milwaukee. Our proactive approach to solving problems ensures that our customers receive exceptional service.
Our Commitment to Customer Satisfaction
At J.M. Brennan, our customer-driven approach is at the heart of everything we do. We understand the importance of building strong relationships with our customers, and we strive to exceed their expectations. Whether it's a routine maintenance check or an emergency repair, we're committed to delivering the highest level of service.
Contact Us
J.M. Brennan, Inc.
2101 W. St. Paul Ave.
Milwaukee, WI 53233
Phone: 414-342-3829
Fax: 414-342-3209
MADISON:
6430 Ronald Reagan Ave.
Madison, WI 53704
Phone: 608-472-4745
Mixed Reviews on Service and Billing Practices
Customer Service
- Some customers praise the company's service, citing well-organized and quick delivery, as well as top-notch customer service.
- However, others have had negative experiences, including difficulty resolving billing issues and unresponsive customer service.
Billing and Pricing
- Some customers have complained about high prices, with one reviewer stating that they were overcharged.
- Others have had issues with billing, including receiving lump sum bills without explanation and difficulty getting answers to questions about their bills.
Employee Performance
- Some reviewers have praised the journeymen who work for the company, saying they are great and do a good job.
- One reviewer, an employee, has also praised the company, saying it's an amazing place to work with friendly and helpful coworkers.
Traffic and Safety Concerns
- One reviewer expressed concern about the company's truck traffic, feeling that it may be a hazard.
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