M&D Mechanical Contractors, Inc. Employee Directory
ConstructionAlabama, United States51-200 Employees
M&D Mechanical Contractors, Inc. is a mid-sized, Decatur, Alabama-based mechanical contracting firm with roots dating back to 1910 when it was founded as Mason & Dulion Co. It serves industrial, institutional, and government clients across North Alabama and the southeastern United States, offering mechanical contracting services and related capabilities including piping and metal fabrication. The company maintains in-house CAD and BIM capabilities and has a long history that includes high-rise construction work in Birmingham during the 1920s and projects with NASA at the Marshall Space Flight Center on Saturn C-5 test stand support systems. In recent years, M&D has broadened its offerings to include specialty services such as medical gases, duct fabrication, and green building. In March 2024 the firm earned the Excellence in Construction Eagle Award for the ARCO Intersect Development 565 Logistics Park Phase 2 project in Huntsville, Alabama.