A Partner For Your Success


You dream it. We’ll help bring it to life.

When you’re successful, we know we’ve done our job right. You face multiple choices, specifications, guidelines and, of course, deadlines, and we’re here to help you fulfill your vision by making the right decisions.

For residential and multi-family markets, MI is your single-source provider for a variety of architectural styles, glass and grid options, colors and more—all designed for long-lasting beauty, performance, and energy efficiency.

A better experience. That’s MI. 

As one of the nation's largest suppliers of high-quality replacement and new construction windows, backed by support that goes above and beyond, you can count on us as a partner to deliver the window that brings your designs to life. Our seasoned sales and service teams respond quickly and with the knowledge to ensure you always get the answers you need.

  • Design flexibility with on-trend styles and top-rated performance at the right price
  • Exceptional quality controls at every step ensures all orders are on-time, accurate, and complete
  • State-of-the-art manufacturing plants around the country to deliver what you need, where you need it
  • Awarded the Best Product Award for Energy Efficiency from Builder News Magazine for the MI EnergyCore Window System
  • Audits every hour, on every line, in every plant so you know our windows are examined and feature-complete
  • One of the first companies to be accepted into the AAMA 103-15 procedural certification program within the United States
  • 100% trouble-free guarantee