Founded in 1989, MJC is a manufacturer of HVAC Products, modifications, and coatings solutions. Beginning as a coil coating provider to the HVAC industry, over the decades, MJC has continued to develop and engineer innovative products and solutions to the HVAC industry including Air Rotation Units, Custom Equipment, and OEM Modifications & Coatings. All MJC solutions are proudly manufactured in the United States of America. Our purpose at MJC is building a great company, with great people, and great results!