D.T. Porter Building
 The D.T. Porter Building in Memphis Tennessee was constructed in 1895 and was the city's first steel frame skyscraper. It had a circulating hot water heating system. It was renovated in 1983 and converted to condominiums. It was listed on the National Register of Historic Places for Shelby County Tennessee in 1995. It was designed by Edward Culliatt Jones's architecture firm.