Thompson-Mathis Metal Manufacturing has been serving the greater Dallas area as a supplier of sheet metal in copper, galvanized and bonderized steel, stainless, aluminum and painted steel since 1966. We manufacture residential and commercial gutter systems, custom metal fabrication for roofs including various flashings, copings, dormers, vents, conductor heads, spires, interior and exterior wall panels and chimney caps. Thompson-Mathis manufactures downspout elbows from 2" to 6" round and square in copper, mill finish aluminum, and steel that are sold nationally.