Why MI Should Be Your Trusted Manufacturer

We’re so much more than windows

As one of the nation’s largest suppliers of high-qualitywindows and doorsfor remodeling, replacement, and new construction projects, our customers count on us to provide a proven product backed by exemplary service. There’s so much that goes on behind our windows to ensure a positive experience for homeowners, our professional partners, and our team members – from the relationships we build, to our relentless attention to detail and state-of-the-art facilities.


Cleaning Window
What makes the MI Experience better than the rest?
THE MI STORY »

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Energy-efficient windows and doors made easy.
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MI Authorized Dealer Seal
Interested in becoming an MI dealer?
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MI Limited Lifetime Warranty Icon
The best products are backed by the best warranties.
THE MI WARRANTY »

Recent MI News
MI gives back through its non-profit foundation.
MI FOUNDATION»

MI Windows Careers in Production
Take the first steps toward a rewarding career.
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