Become a True Partner with MI

From our beginnings in 1947, our founders cared about delivering the best product and serving our customers at a level that couldn’t be found anywhere else. This ideal of putting people first has been ingrained in our culture from the start, and it’s one we live every day.

The MI Service Advantage

Here for You
Responsive Support
Trusted Partners
Simplified Selection
Photo of two MI Production Supervisors at work  Photo of Customer Service Representative on a Phone Call  Maintenance  Simulation of person selecting product options

MI’s owner-operated, family-first team is accessible and attentive, delivering flexibility, support, and timely solutions around-the-clock.


Our seasoned sales and service teams respond quickly, ensuring everyone is treated to an exceptional experience and gets the answers they need.


Our qualified network of dealers and distributors serve as a source of local expertise, acting with a level of integrity that meets our high standards.


Our easy-to-understand product lines and simplified selection process make it simple to choose the best windows and doors for your project.


Pursuit of 100% every day, every order

Every Order 100% Trouble-Free

“Good enough” is never good enough for us, because everything we do is focused on one number: 100%. That means getting it right, down to the smallest detail. With millions of windows manufactured each year, our commitment to 100% is no small mission – it’s a testament to our way of business – in production, delivery, and end-to-end service.

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The resources to help you succeed

We do our best to create tools that make it easy for you to land more sales and satisfy your customers' needs. From glossy brochures to in-depth technical data, our resource library offers a range of tools to help you succeed.

Experience the MI Difference

Find out how we can help you turn any project into your customers' dream home.

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