R. C. Fox
R. E. Peterson
R. Knapp
R. Knox
R. Vanderhoef
R.G. Beazley
Rederi
Redwood Enterprises, Ltd.
Reed Line
Reid Towing & Wrecking Co.
Reid Transit Co.
Reiss Steamship Co.
Reoch (Redwood Enterprises)
Reoch Steamships, Ltd.
Reoch Transports, Ltd.
Reoch [Leadale Steamship Co., Ltd.]
Republic Steel Co.
Richardson Transportation Co.
Richelieu & Ontario Navigation Co.
Risdon, Beazley, Ltd.
River Rouge Sand Co.
Roby Transportation Co.
Rochester Transit Co.
Roen Steamship Co.
Roger Miller & Sons
Rose O'Donnell
Rouge Steel Co.
Royal Canadian Yacht Club
Rubber Development Corp.
Russell Construction Company
Rutland Transit Co.
Rutland-Lake Michigan Transit Co.