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ABOUT GRINNELL DOOR COMPANY, INC.
Grinnell Door company was established in Detroit MI by the Iannuzzi family back in late 1950's by 4 brothers that had a passion for the building industry. Originally Grinnell was a supplier of quality window sashs and doors. Over the years the business has changed, from a simple sash and door company to what you see today.
Grinnell prides itself on key functions that simplify the building process for its customers, by supplying quality Entry doors, interior doors, leaded glass and much more.
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