Location and Projects
Middlesex Corporation Construction
Since 1972, Middlesex Corporation has been constructing large-scale infrastructure across the Northeast and beyond, operating from its office in Littleton, Massachusetts. The company specializes in heavy and civil construction, with experience spanning highways, bridges, marine facilities, rail and transit systems, and energy transmission projects. Middlesex has completed award-winning projects such as the I-75 Overpass Road Interchange for the Florida Department of Transportation, the Walk Bridge Replacement in Connecticut, and the Niantic River Bridge Replacement for AMTRAK. Its portfolio includes airport cargo expansions, commuter rail system builds, and major electrical transmission installations for utilities like Eversource and Liberty Utilities. The firm has a long-standing focus on teamwork and innovation to tackle complex infrastructure projects for public sector transportation agencies and utility providers throughout the region and the East Coast.
Middlesex Corporation Services
Middlesex Corporation Contact Information
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Building Permits by Middlesex Corporation
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Middlesex Corporation License info
Verified License
| License # | 2705170656 |
| Status | Active |
| State | Virginia |
| Type | Highway / Heavy (H/H) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Middlesex Corporation at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- BuildZoom verified this license was active as of December 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CGC1525524 |
| Status | Active |
| State | Florida |
| Type | Certified General Contractor |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Middlesex Corporation at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 54240 |
| Status | Active |
| State | Louisiana |
| Type | Highway, Street And Bridge Construction |
| Class | Commercial License Certificate |
| Date Issued | 10-14-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Middlesex Corporation at the Louisiana Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 71875 |
| Status | Active |
| State | North Carolina |
| Type | Highway |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Middlesex Corporation at the North Carolina Licensing Board for General Contractors.
This is a sample of licensing data; click here to access a complete history.