Top Line Roofing Great Falls is a licensed and insured roofing contractor in Great Falls, MT. Our team of roof installers has a great amount of experience installing residential roofs and commercial roofs throughout the Great Falls area. Whether you are in need of an asphalt shingle roof, metal roof, membrane roof, or virtually any other material, we can help. Additionally, we specialize in roof repair services for damaged roofs and will happily provide roof inspection services for your home or business.