The Middlesex Corp.
The Middlesex Corp., listed in Littleton, Massachusetts, ranks No. 224 on the 2026 ENR Top 400 Contractors list.
Who is The Middlesex Corp.?
On the ENR Top 400 Contractors list for 2026, published by Engineering News-Record, it ranks No. 224.
More about the company is on its website, middlesexco.com.
Before you hire any contractor in Massachusetts, check the license with the Massachusetts Division of Occupational Licensure.
What does The Middlesex Corp. say about its work?
The Middlesex Corporation delivers safety, quality, and excellence in the Northeast and Southeast with heavy/civil, rail/transit, energy, and paving project.
In the company's own words, from middlesexco.com, read October 2026.
Where is The Middlesex Corp. located?
The Middlesex Corp. is listed in Littleton, MA. Its street address is not on record yet.
How big is The Middlesex Corp.?
The Middlesex Corp. ranks No. 224 on the ENR Top 400 Contractors list for 2026. Engineering News-Record ranks the largest U.S. contractors by construction revenue.
Source: ENR Top 400 Contractors (2026), Engineering News-Record
How do I check The Middlesex Corp.'s contractor license?
Search the Massachusetts Division of Occupational Licensure for The Middlesex Corp. before you hire. We do not hold license records for individual companies. Massachusetts licenses construction supervisors and registers home improvement contractors at the state level.
Check a license in MassachusettsLicensing rules checked October 2026. Requirements change, so confirm on the state site.
The Middlesex Corp.: FAQs
Where is The Middlesex Corp. located?
The Middlesex Corp. is listed in Littleton, Massachusetts. Its street address is not on record yet.
What does The Middlesex Corp. say about its work?
On middlesexco.com, The Middlesex Corp. describes itself like this: "The Middlesex Corporation delivers safety, quality, and excellence in the Northeast and Southeast with heavy/civil, rail/transit, energy, and paving project."
How do I contact The Middlesex Corp.?
Visit middlesexco.com.
How big is The Middlesex Corp.?
The Middlesex Corp. ranks No. 224 on the ENR Top 400 Contractors list for 2026. Engineering News-Record ranks the largest U.S. contractors by construction revenue.
Is The Middlesex Corp. licensed?
We do not hold license records for individual companies. Massachusetts licenses construction supervisors and registers home improvement contractors at the state level. Search the Massachusetts Division of Occupational Licensure to check a contractor before you hire.
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Office locations © OpenStreetMap contributors, available under the Open Database License. Company rankings from the ENR Top 400 Contractors (2026).
