About Us

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.

A third generation family-owned business, Shapiro & Duncan has been serving customers in the D.C. area since 1976. We are the "Provider of Choice" for complex commercial, government and institutional design-build projects that require first-rate performance, work quality and customer service.

Our company is unique in the way we use Building Information Modeling (BIM) and Integrated Project Delivery to promote sustainability and ensure customer satisfaction.

Our People Perform!
For Shapiro & Duncan, the success formula has been and always will be about people and their performance. In traditional markets and growth markets, on projects that require high-tech or low-tech tools, and through good economic times and tough times, our watchwords remain: "Our People Perform."