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!
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]