Mechanical Design, Installation & Service Service Call 716.874.9200 ABOUT US SERVICES & SOLUTIONS CONTACT US CAREERS NEWS Services & Solutions Our breadth of service makes us a national leader in building systems Our customers often ask us, “Is there anything you cannot do?” We tell them, “This is one of the few times we say ‘No!'” We not only engineer and design mechanical systems, we also install, maintain , retrofit, and upgrade them. Today, our depth and breadth of service are second to none, and we’re continually improving and innovating our work. Whatever your project, we give customers like you a distinct set of advantages: A national footprint with a strong local presence Technical proficiency with all major equipment manufacturers An Energy Star® partner and member of the Green Building Council LEED® Accredited pros in each of our operating companies To learn more about our construction, building services, and retrofit capabilities, click these links. HVAC Services Mechanical Design & Build Specialty Services Building Control Systems Sheet Metal Fabrication Custom Fabrication ABOUT US SERVICES & SOLUTIONS CONTACT US CAREERS NEWS © 2020 MJ Mechanical This site is protected by copyright and trademark laws under U.S. and International law. All rights reserved.