Big Mountain Glass and Windows LLC has been serving the Flathead Valley and surrounding areas for over 35 years, providing high quality windows, doors and custom glass to thousands of homes and businesses. We approach every project with focused care and attention to detail no matter how big or small. Our mission is to provide not only a superior product but superior customer service. Big Mountain Glass and Windows is a family owned and operated business headquartered in Whitefish Montana. Four of the family members help our team members run the businesses day to day operations.