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No. 3 · ENR Top 400 Contractors 2026

STO Building Group

STO Building Group, listed in New York, New York, ranks No. 3 on the 2026 ENR Top 400 Contractors list.

Who is STO Building Group?

On the ENR Top 400 Contractors list for 2026, published by Engineering News-Record, it ranks No. 3. According to its website, it was founded in 1971.

Its office is at 330 West 34th Street, New York, NY 10001. The phone number on record is (212) 481-6100. More about the company is on its website, stobuildinggroup.com.

STO Building Group is one of 89 construction companies we list in New York. Before you hire any contractor in New York, check the license with the New York Department of State, Division of Licensing Services.

What does STO Building Group say about its work?

STO Building Group is a family of construction companies specializing in commercial building delivery across multiple regions.

In the company's own words, from stobuildinggroup.com, read October 2026.

Where is STO Building Group located?

STO Building Group is at 330 West 34th Street, New York, NY 10001.

How big is STO Building Group?

STO Building Group ranks No. 3 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 STO Building Group's contractor license?

Search the New York Department of State, Division of Licensing Services for STO Building Group before you hire. We do not hold license records for individual companies. New York has no statewide general contractor license. Licensing is handled by the county or city where the work is done, such as the New York City Department of Buildings.

Check a license in New York

Licensing rules checked October 2026. Requirements change, so confirm on the state site.

What other construction companies are in New York?

We list 89 construction companies in New York. Here are 8 more.

All construction companies in New York
FAQ

STO Building Group: FAQs

Where is STO Building Group located?

STO Building Group is at 330 West 34th Street, New York, NY 10001.

What does STO Building Group say about its work?

On stobuildinggroup.com, STO Building Group describes itself like this: "STO Building Group is a family of construction companies specializing in commercial building delivery across multiple regions."

How do I contact STO Building Group?

Call (212) 481-6100. Visit stobuildinggroup.com. The office is at 330 West 34th Street, New York, NY 10001.

How big is STO Building Group?

STO Building Group ranks No. 3 on the ENR Top 400 Contractors list for 2026. Engineering News-Record ranks the largest U.S. contractors by construction revenue.

Is STO Building Group licensed?

We do not hold license records for individual companies. New York has no statewide general contractor license. Licensing is handled by the county or city where the work is done, such as the New York City Department of Buildings. Search the New York Department of State, Division of Licensing Services 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).

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