Products
Tri-State is the manufacturer and installer of premium quality vinyl windows and patio doors. We do the entire job ourselves, no subcontractor or middleman! Tri-State builds them, installs them and we guarantee them.
47 Years of Relationship
Top quality materials fabricated by master mechanics, delivered promptly to the job site by our fleet of service trucks, installed by trained craftsmen who take pride in their work, produces the desired result - a perfect job!
Testimonials
Dear Dan of Tri-State I had a lot of work done on this house, but buying the windows from you was the best thing I have done. Your worker was excellent putting those big windows in by himself. Really terrific. Your service was great. I really should ... [MORE]

Dear Dan of Tri-State

 

I had a lot of work done on this house, but buying the windows from you was the best thing I have done. Your worker was excellent putting those big windows in by himself. Really terrific. Your service was great. I really should of written this a lot sooner! If any one asks about windows I will send them to your company. Hopefully someday I can get a couple more. Thanks again, for your services.

 

Rita G.

Islip Terrace, NY

June 10, 2011
Tristate Introduces New Patio Doors, Windows, Bays & Bows with Built-in Privacy Mini Blinds You can increase the value of your home with Tristate's New Platinum Privacy Mini Blinds.     Built-in to your patio door or casement windows, yo...
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Information on this website do not apply to New York City residents. New York City residents are asked to visit our website at: www.tristatewindowfactorycorp.com