Rapp Brothers Brick and Tile Company (1877-1915)
   Morton Earthenware Company (1915-1916)
   Cliftwood Art Potteries (1920-1940)
   Midwest Potteries (1940-1944)
   American Art Potteries (1944-1963)
   Morton Pottery Company - Part I (1922-1950)
   Morton Pottery Company - Part II (1950-1976)