Vast Experience

Successful Projects. Satisfied Clients.

Whitestone has successfully completed more than 400 projects throughout our 40 years in business. A high percentage of those projects is from repeat business, which has helped our bonding capacity rise to the $100 million level. 

Often involved in complex, multi-phased jobs, we are well equipped to handle projects of any scope.

Our Clients

Our clients range from city and state agencies to private organizations, as well as high-end residential owners. 

Our Partners

We work closely with suppliers, developing strong relationships, and earning even stronger support.


Client List

Our clients span the five boroughs of New York City, Nassau County and Suffolk County. Some of those clients include:

  • Audubon III – Medical Research Building
  • Bookspan
  • Children’s Hospital of NY
  • NYC DDC – Window Replacement
  • East Meadow UFSD (8 Schools)
  • Glen Oaks Campus (3 Schools)
  • Information Technology HS
  • Stony Brook Hospital Complex
  • South Street Seaport Museum
  • Stillwell Subway Terminal
  • Teachers College
  • The Cloisters
  • Verizon (30 Buildings)
  • 42/43 Realty LLC, New York, NY
Public Agencies:
  • NYC School Construction Authority (SCA)
  • Dormitory Authority of the State of New York (DASNY)
  • NYC Metropolitan Transportation Authority (MTA)
  • Long Island UFSD & CSD School (NYSED)
  • Economic Development Association of New Jersey (EDANJ)

For references, feel free to contact any of the above clients.

Whitestone is a supplier and installer of several window and glass manufacturers. Some of our long-standing relationships include companies such as:


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million bonding capacity

college job fair


Date and Time: Tuesday, October 17, 2023 5:30-8:00 pm
Location: 285 Jay Street, Tillary Lobby

NYC SCA MWBE Networking Event

Wednesday, October 18th from 9AM – 2PM
at 30-30 Thomson Ave, LIC, NY 11101