T. Ahlquist
T. Currie
T. Emig
T. H. Browning Steamship Co.
T. H. Smith
T. Hellesoe
T. J. McCarthy Steamship Co.
T. L. Handy
T. W. Kirby
T.F. Madden
T.J. McCarthy Steamship Co.
Tanker A.C. Dodge, Inc.
Tanker N.W.Gokey, Inc.
Tashmoo Transit Co.
Taylor
Terminals & Transportation Corp.
Texaco Canada, Ltd.
Texas Company
The "Iron Fleet" (J.W. Millen)
Thomas Steamship Lines
Thompson Towing & Wrecking
Thompson Transportation Co.
Thompson Tug Co.
Thos. Adams
Thos. Young
Thousand Island Ship Building Co.
Thousand Islands Navigation Co.
Timber Transit Co.
Tocutex
Toledo & Saginaw Trans. Co.
Toledo Excursion Lines, Inc.
Tomlinson Fleet
Tonawanda Barge Line
Tonawanda I & S (Mills)
Toronto Towing & Salvage Co.
Toronto Transportation Commission
Transford Corp.
Transit Tankers and Terminals, Ltd.
Traverse Bay Line
Treasure Unlimited
Trent Valley Navigation Co.
Trerice, et alii
Tri-State Steamship Co.
Triad Shipping
Trinidad Leaseholds, LTD.
Trinidad Shipping Co., Ltd.
Trowbridge & Wilcox
Tug Interstate, Inc.