A. A. Skaugaards
A. Booth Packing Co.
A. Bradley
A. Desmarteaux
A. F. Morley
A. Fisher's Sons
A. Fraser
A. Gordon
A. Kaplan
A. McVittie
A. Peter
A. Peterson
A. T. Spencer & Co.
A. W. Hickman
A. Weston & Sons
A.A. Turner Transportation Co.
A.B. Bartlett
A.E. Mathews
A.F. Wilson
A.G.W.I. Lines
A.J. Harper
A.J. McBrier
A.L. Stockwell
Abitibi Paper and Power Co.
Ace Steamship Company
Acme Transit Co.
Adirondack & St.Lawrence Railway Company
Admiral Tug & Barge Co.
Alaska Steamship Co.
Albert E. Goodrich
Alexandria Bay Steamship Co.
Algoma Central & Hudson's Bay Railroad, (Lake Superior Steamship Co.)
Algoma Central Marine
Algoma Central Railway
Algoma Central Steamship Co.
Algoma Navigation Co.
Algoma Steamship Co.
Algoma Steamships, Ltd.
Allied Oil Transport Co.
American Agricultural Chemical Co.
American Interlake Line
American Mediterranean Steamship Co.
American Navigation Co.
American Steamship Co.
American Steel Barge Co.
Amersand Steamship Co.
Andaste Steamship Co.
Anglo-American Oil Co.
Ann Arbor Railroad
Argentina Government
Argo Steamship Co.
Arnold Bernstein
Arnold Transit Co.
Arrow Steamships Ltd.
Arthur R. Champion
Arundel Corp.
Ashley & Dustin Steamer Line
Atlantic & Caribbean Steam Navigation Co. (Red "D" Line)
Atlas Steamship Co.
Aube Steamship Lines Co.
August Karl
Auxiliary Power Co.
