Pittsburgh Playground - Pittsburgh Wood

Pittsburgh Playground Association [Pittsburgh, Pa.], 1912

Pittsburgh Post Office Clerks' Beneficial Association (Pittsburgh, Pa.), 1903

Pittsburgh Post [Pittsburgh, Pa.], 1904

Pittsburgh Press (Pittsburgh, Pa.), 1904

Pittsburgh Press Club (Pittsburgh, Pa.), 1900-1917

Pittsburgh Screen Club (Pittsburgh, Pa.), 1916

Pittsburgh Testing Laboratory, Limited (Pittsburgh, Pa.), 1901

Pittsburgh Trust Company (Pittsburgh, Pa.), 1893

Pittsburgh Tube Company (Pittsburgh, Pa.), 1908-1918

Pittsburgh Typewriter Co. (Pittsburgh, Pa.), 1893

Pittsburgh, Virginia and Charleston Railway Company (Pittsburgh, Pa.), 1891-1901

Pittsburgh-Westmoreland Coal Co. (Pittsburgh, Pa.), 1915

Pittsburgh Wood Preserving Company (Pittsburgh, Pa.), 1913