Employee Portal

Shapiro & Duncan

Providing the best mechanical solutions through relationships built on trust

Our People

Take Pride in their work

serve the community

do the right thing

drive innovation


When it comes to providing cutting edge mechanical engineering and construction solutions – including design-build, fabrication, installation and maintenance services that promote sustainability at every stage of a building’s life cycle – Shapiro & Duncan is a leader in the Washington, D.C. market.

Years Experience
Projects Completed
1 +
Total Revenue
0 B+
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What we do

A full-service mechanical construction services provider, Shapiro & Duncan provides, engineering, estimating, pre-construction, HVAC and fabrication services.  All management, design-build, construction (including estimating and project management) and customer service functions are housed under one roof at the company’s Rockville main office.

What Our Clients Say About Us


Who We serve

With a 40+ year track record of success, Shapiro & Duncan is a proven provider of high value, high quality mechanical services – including design-build, construction, fabrication, installation and maintenance – for a wide range of commercial, government and institutional customers.  We excel at demanding, time-sensitive projects requiring sophisticated project management capabilities.

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The Difference Is Our People

In every interaction, be it with customers, subcontractors, general contractors, owners, or any other stakeholders, our S&D team consistently exemplifies our core values. They are the fundamental strength of our company, and our current success is a direct result of their unwavering commitment. Our remarkable reputation is built upon how our team treats everyone with respect and professionalism.