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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
Sabat75 Manitou TrailKings Park New York 11754April 23, 2012Mr. John Kypreos, PresidentTri-State Window Factory Corp360 Marcus BoulevardDeer Park NY 11729Dear Mr. Kypreous:We are writing to express our thanks for the wonderful experience we had with your ... [MORE]

Sabat
75 Manitou Trail
Kings Park New York 11754

April 23, 2012

Mr. John Kypreos, President
Tri-State Window Factory Corp
360 Marcus Boulevard
Deer Park NY 11729

Dear Mr. Kypreous:
We are writing to express our thanks for the wonderful experience we had with your company.
We had all our windows and a door changed: 22 windows, 2 half moons, and a slider!

Bryan was a pleasure to deal with and very helpful all the way through. We live in a development
and needed a lot of paperwork prior to the job. Bryan came through every time.

Our installation crew, headed by Carlos, was terrific. Carlos, Carlos, and Jose were
perfectionists and we could not have asked for more, as we are perfectionists ourselves!

The windows are amazing. We can not believe how easy they are to operate and maintain. They
truly are beautiful.

I will highly recommend your company to all our family, friends, and everyone in our
development.

Thank you for a job well done!

Sophie & Louis Sabat

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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