Miller and Pflueger was an architectural firm that formed when James Rupert Miller named Timothy L. Pflueger partner. Pflueger, at the time a rising star of San Francisco's architect community, had begun his architectural career with architecture firm, Miller and Colmesnil sometime in 1907, under the tutelage of James Rupert Miller. Together, Miller and Pflueger designed a number of significant buildings in San Francisco, including the Pacific Telephone & Telegraph Company Building which was the city's tallest skyscraper for four decades.