American, 1933–2022

American, 1930–2007

American, active 1872–1928

American, partnership active 1844–1861

American, active 1901–1991

American, established 1911

American, active 1972–1997

London

American, 1930–2022

British, 1804–1877

Scottish, 1802–1870

Scottish, 1821–1848