Adams, L.E.- Aetna

Adams, L.E., 1893

Adams Express Company (New York, N.Y. ), 1905, 1916

Adams Express Company (Pittsburgh, Pa.), 1913

Adams, Livingston and Davis (New York, N.Y.), 1913

Adamson, Robert, 1913

Addenbrook, Thomas, 1894, 1903

Addington Golf Syndicate Limited (London, England), 1919-1925

Aeolian Company (New York, N.Y.), 1906-1918

Aetna Sand and Gravel Co. [no place], 1906