

Shapiro and Duncan
Shapiro and Duncan is the culmination of three generations of plumbers and mechanical contractors. In the mid-30's Jake Shapiro started J. Shapiro Plumbing & Heating in Washington, D.C.; his son David, a mechanical engineer, organized a merit shop mechanical contracting company, Shapiro & Duncan, Inc, incorporated in the State of Maryland in 1976. Shapiro & Duncan is known for offering its customers the best mechanical value in the area. Shapiro and Duncan has over 44 years of relevant experience in the industry under the same family ownership.
We specialize in full service mechanical design and construction:
- Mechanical Engineering/Building
Information Modeling
- Coordination and Prefabrication
Assembly
- Integrated Energy Solutions
- Mechanical Construction
- Mechanical Service & Maintenance
- Professional Project Management
Today, Shapiro & Duncan has successfully completed nearly 2,500 projects and our annual sales are in excess of $130 million with 400+ employees.
Video Resource
Shapiro and Duncan Scavenger Hunt

Contact Info
Shapiro & Duncan, Inc.
14620 Rothgeb Drive
Rockville, Maryland 20850
Phone (301)315-6260
Shapiro and Duncan Chat
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