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Our experience spans decades of hands-on work in facilities that cannot afford downtime, which is why clients count on us for reliable service, steady communication, and a team that understands the real pressures of keeping operations running.
Our goal has always been to ensure that complex mechanical systems that power Manitoba's industries and largest facilities perform reliably, safely, and efficiently.
| Key Attribute | Value Proposition for A & B Mechanical Customers | Differentiation Point |
| Operational Reliability & 24/7 Response | We ensure your facility remains operational and productive, minimizing costly downtime with guaranteed 24-hour emergency support. | Commitment to being "always on" for critical systems. |
| Unwavering Safety & Compliance | Our COR™ Certified status demonstrates a safety culture that exceeds legislative requirements, reducing your project liability and risk exposure. | Industry-leading safety certification, essential for industrial sites and major projects. |
| Integrated Mechanical Authority | We offer a complete depth of services-from Industrial HVAC and Boiler Installation to complex Controls and Plumbing Systems-meaning one partner manages your entire mechanical footprint. | Single-source expertise across all major mechanical disciplines. |
| Proven Local Legacy | Since 1989, we have partnered with Manitoba's largest organizations, delivering complex projects with decades of proven experience and local market insight. | Established history and strong reputation in the Winnipeg and Manitoba market. |
"We have used A & B Mechanical for several projects with great success. We have always found they always carry out a top notch job and their workmanship is professional and of high quality. I am sure you would fine the same results should you have them work for you."
Grant Clegg, Vice-President
Parkwest Projects Ltd.
"North Perimeter Construction Ltd. has contracted with A&B Mechanical Ltd. on several large scale projects and technically challenging projects over the years and has always been satisfied with the quality and workmanship provided by A&B Mechanical Ltd."
Phillip Pawluk, Vice-President
Northern Perimeter Construction Ltd.
"A&B Mechanical is a contractor of choice for Mayer's with whom we have worked with for many years. They have strong self-direction, skilled trades and excellent communication. They have always been there for us when we've needed them and we recommend their services unreservedly."
Colin Grover - President
Mayer's Construction
I have been consistently been impressed with A+B Mechanical. They have proven to be highly knowledgeable and capable at finding creative solutions to complex problems, especially during urgent situations. Their team is well-trained and reliable, and I confidently recommend them for their expertise and responsiveness.
Sergio Cohen - Director of Building Operations
The Bethania Group
I am delighted to write this enthusiastic recommendation for A&B Mechanical. Having worked closely with them over the past 30 years, I can confidentally say that their professionalism, dedication, and commitment to excellence sets them apart from all other companies in their field.
Terry Williams - Manager
CTD Machine Works
CTD Contracting
Our commitment to our clients is matched only by our dedication to safety. A & B Mechanical maintains a COR™ Certification, recognizing our proactive safety culture that consistently exceeds legislative requirements. This means when we work on your large scale mechanical projects, you benefit from best-in-class safety protocols, minimizing liability and ensuring a protected, professional job site.

We are proud to be a Winnipeg-based company that has grown alongside the Manitoba economy for over three decades. Our founder, Bruce McWhirter, built this company on hard work and the principle of listening to the customer. That founding spirit of partnership and dedication is now taken over by Ryan McWhirter, Kallem McWhirter and Andrew Besant who leads our team of professionals today.
For a partner with the expertise, responsiveness, and safety record required to manage your most critical infrastructure, choose A & B Mechanical. Let us discuss your next project.
1400 Spruce Street
Winnipeg, Manitoba, Canada, R3E 2V7
x 204-783-3622 A office@abmech.ca