The graphics company ATi is from Canada Paul, much more well known than Matrox.
RIM and the blackberry line are Canadain, though not doing so well lately.
Canada also builds most all the robotics for NASA. Including the main piece, the "Canadarm" -what a stupid name.
Google the "Avro Arrow" A Canadian jet fighter in the 50's that was to trump all others at the time, the very first "fly by wire" aircraft. It was shut down because NASA had to beat Russia to the moon, Russia was ahead at the time. Canadian engineers and scientists from the Avro Arrow project, along with Americans at NASA, and post war Germans sent America to the moon.
Edit: Wanted to add a couple more fun facts about the Arrow. The MkII that used two of the Canadian built Iroquois engines (the most powerful jet engine ever made at the time, with 20,000lbs of dry thrust, and 26,000lbs with afterburner) would have given the Arrow more thrust than an F-14 Tomcat, it would have been able to fly as high as a U-2 spy plane, at over mach 2, and carry more payload than a the famous B-52 or Lancaster Bomber (also made by Avro). The MKI arrow with much lower power Pratt & Whitney 12,500lb thrust engines broke Mach 2, the MKII would have easily attained Mach 2.5 with the Iroquois engines, and the high speed MKIII version would have been able to sustain Mach 3 @ 95,000 feet, This was all ~1958