4. Travel Equipment/Clothing Vendors
Their
Tilley Hat is one of the most notably Canadian pieces of
clothing in existence, short of the 
4.1. CRSes
The Sabre Travel Information Network (which is what people generally think of when they hear about Sabre) has a Web site that can be used to access various travel schedule and reservation information. It is called Travelocity, and is stressing some high end SGI boxes to their expected capabilities and beyond.
Just for interest's sake, some other major CRSes (Computer Reservation Systems) are:
Worldspan owned mostly by Delta, Northwest Airlines, TWA
AXXESS (Japan Air Lines)