B. Davis
B. Eldridge
B. Line Steamship Co.
B.F. Foster
B.F. Frankinthall, Jr.
B.F.T. No. 1 Corp.
Bacoi Shipping Co.
Baker & Co.
Ballentine & Crawford
Baltimore Steam Packet Co.
Barkalow, L. Talbot
Barry Brothers
Barry Transportation Co.
Basingwells Steamship Co.
Bathurst Lumber Co.
Bathurst Marine Co.
Bay Transportation Co.
Bay-Houston Towing Co.
Bayswater Shipping, Ltd.
Beaconsfield Steamship Co.
Beaver Island Boat Co.
Becker Steamship Co.
Becker Towing Co.
Bell City Line
Benton
Benton Transit Co.
Bermudez Transportation Co.
Bessemer Steamship Co.
Bessie A. Somerville
Bethlehem Transportation Co.
Betts
Bewick
Bison Steamship Co.
Blount Marine Corp.
Blue Water Ferry Co.
Blue Water Ferry, Ltd.
Bob-Lo Ferry Company Ltd.
Bob-Lo Navigation Co.
Boland & Cornelius
Booth Fisheries Canadian, Ltd.
Booth Fisheries, Inc.
Boutell Steel Barge Co.
Bowater Pulp & Paper Mills, Ltd.
Bradley Transportation Co.
Brinen Lumber Co.
Britamlube Ltd.
British American Oil Co.
British American Oil Company, Ltd.
British Ministry of Transport
Brockville Navigation Co.
Brower, Chicago
Brown and Co.
Browning Lines
Browning Steamship Co.
Buckeye Steamship Co.
Buckman Brothers
Buckport Shipping, Ltd.
Budge
Buffalo & Grand Island Ferry Co.
Buffalo & Lake Huron Railroad Co.
Buffalo Sand & Gravel Co.
Buffalo Steamship Co.
Buffalo Transit Company
Buhl Family
Bultema Dock & Dredge Co.
Burnside Terminal
Byrne Bros. Dock & Dredge Co.