MI Windows and Doors is a U.S. manufacturer of windows and patio doors, with a history that began as Metal Industries in a Florida airplane hangar in 1947. The company says its regional footprint across the eastern United States allows it to tailor products to regional requirements, and it is part of MITER Brands, formed as a parent brand for MI and Milgard in 2022.
ENERGY STAR
National Fenestration Rating Council (NFRC)
AAMA InstallationMasters
MITER BrandsMITER Brands is a nationwide family of window and door manufacturers, formed in 2022 as the parent company uniting brands including MI Windows and Doors and Milgard. Its heritage traces to Metal Industries, which began in Florida in 1947, and the company says it serves homeowners and building-industry professionals across all 50 states. MITER Brands reports more than 15 manufacturing facilities in seven states.MILLERSBURG, PA
Polaris Windows & DoorsSince 1959, Polaris Windows & Doors has manufactured replacement and new-construction vinyl windows and doors, beginning at its first plant in Youngstown, Ohio. The company became an early pioneer of vinyl replacement windows in 1979 and now distributes its products through authorized installer teams in 30 states. Its window systems use Polaris-designed vinyl extrusions and include the DuoTilt Lock System, while its products are made in the USA.AUSTINTOWN, OH
Earthwise WindowsFounded in 2004, Earthwise Windows is a national network of locally owned manufacturers making energy-efficient vinyl windows and patio doors for replacement, remodeling, new construction and commercial projects. Its regional facilities build products tailored to local climates rather than relying on a one-size-fits-all design, and the group has produced more than 10 million windows and doors. Earthwise was the first window manufacturer to earn Made in USA Certified status, with products also carrying ENERGY STAR and NFRC certifications.MIDDLETOWN, OH
Michbi Doors, Inc. d/b/a Open & Shut DoorsMichbi Doors, Inc. d/b/a Open & Shut Doors is a family-run manufacturer of hollow metal doors and frames, incorporated in 1981. The company says it has grown into the largest WBE hollow metal manufacturer on Long Island and operates an office and manufacturing facility in Farmingdale, New York. It also distributes architectural hardware and wood door products.F, NY