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.
48 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 John,Last week, Tri-State Window Factory installed windows in my home, and I am very happy I chose them to do the job. Before I contracted with Tri-State, I had gotten estimates from seven other companies, and saw the windows they were going to insta... [MORE]

Dear John,
Last week, Tri-State Window Factory installed windows in my home, and I am very happy I chose them to do the job. Before I contracted with Tri-State, I had gotten estimates from seven other companies, and saw the windows they were going to install. In my estimation, none of these companies had a window that compared to Tri-State and their prices in most cases were higher than Tri-State. From speaking with your sales people to doing the actual job, your people were the best. Installing 30 windows in my home, I don’t think was a small job. Your guys did it in one day and they did it right. I would recommend Tri-State to anyone.
Thanks for a job well done,

George M.

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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