Thank you for visiting the J.&L. Mavilia, Inc. website. Providing government and commercial mechanical contracting services to MD, DC, and VA since 1991. Call or email us today!
Welcome to J.&L. Mavilia, Mechanical Contractors. Providing mechanical contracting services to government and commercial clients since 1991. Licensed in Maryland, Virginia, and the District of Columbia. Please contact us for any of your mechanical contracting needs.

Air handlers (installations, rebuilds, replacements, and modifications) Boilers, Chillers, Cooling Towers, General Piping applications (orbital welding, weld pipe, PVC, CPVC, Copper, Stainless Steel, Underground Conduit, Steel, Galvanized etc.) Controls, Ductwork, Structural Steel, Metal Fabrication, Water and Air Balancing, Plumbing, Tanks, Demolition and more...Read more about us here.
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What we're doing...
We've moved! We moved our headquarters to a new, larger facility in Upper Marlboro, MD. We had a wonderful and successful open house on January 7th to celebrate a new year and new office. Please visit our contact page and update your information - our new address and new phone/fax numbers. Thanks to all of our customers and vendors and we look forward to a safe and profitable 2011.