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in mechanical, plumbing, HVAC, process piping and custom duct/pipe fabrication; M&D Mechanical Contractors serves the Industrial, Institutional, Government, and Commercial market with a focus on safety and quality. Our expanded capabilities include design build construction, medical gas systems, Building Information Modeling, and green building.

Celebrating Over 100 Years of Doing Business Safely.




    M&D Mechanical recently completed the installation of the plumbing, HVAC, and medical gas systems for the newly-opened Madison Hospital. This 198,000 square foot facility houses 60 patient rooms, five O.R. suites, labor and delivery rooms, imaging equipment, and a full emergency department.


    In 2012, M&D Mechanical Contractors began construction on a 42-acre site located in the Mallard Fox Creek Industrial Park in Decatur, Alabama for POLYPLEX International. On this project, M&D fabricated and installed over 70,000 pounds of HVAC ductwork that will furnish conditioned air throughout a 145,000 square foot manufacturing facility.


    NASA at Marshall Space Flight Center decided to revitalize their central chilled water plant with underground distribution piping to various buildings. For this project, M&D worked with NASA to replace the 1250 ton of existing chillers with new 1250 ton chillers as well as smaller 350 ton chillers which required smaller pumps as well.

  • M&D Mechanical Receives National Excellence in Construction Award from Associated Builders and Contractors

    M&D Mechanical Contractors Inc., work on the Neely Henry Dam Dissolved Oxygen Enhancement project in Ohatchee, AL, has earned a National Excellence in Construction® Eagle Award from Associated Builders and Contractors in the in the Specialty Contractor, Mechanical/Industrial $2M-$10M category.

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  • M&D Mechanical Employees Receive Top Apprentice Honors

    Two of M&D Mechanical apprentices were chosen as Top Apprentices during the recent Associated Builders & Contractors (ABC) of North Alabama Awards Banquet.

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  • M&D Mechanical Contractors Selected as Subcontractor for New Huntsville Water Treatment Plant

    M&D Mechanical Contractors will become a subcontractor for Brasfield & Gorrie, the general contractor on the new Huntsville Utilities water treatment plant.

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  • ULA Factory Optimization Project

    M&D Mechanical Contractors has been chosen as a subcontractor for Turner Construction for the ULA Factory Optimization Project - Phase 1A-1B.

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  • M&D Mechanical Contractors Earns Elite OSHA SHARP Certification

    This prominent certification, held currently by only four companies in Alabama, is open only to small businesses with 250 or fewer onsite employees.

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P.O. Box 2629 | 1810 Sherman St. S.E.
Decatur, AL 35601

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AL #01288

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We'll share the latest employee and company news, as well as some of the projects we are working on.