41.   But it may be Bombardier that perhaps best exemplifies the rewards and frustrations of Canadian companies of doing business in the region.

42.   But not Biovail Corp., a Canadian pharmaceutical company whose shares are traded on the American Stock Exchange.

43.   But the punch that Sprint Spectrum dodged landed squarely on Northern Telecom Ltd., the large Canadian company that makes equipment for telephone and data networks worldwide.

44.   But that close inspection came last week, as regulators asked the Canadian company just what it was made of.

45.   But they also contain gold, and Sinis and his Canadian mining company invested heavily to get it out.

46.   But the punch Sprint Spectrum dodged landed squarely on Northern Telecom Ltd., the massive Canadian company that makes equipment for global telephone and data networks.

47.   But, they say, the demand for the planes, manufactured by Bombardier Aerospace, a Canadian company, is unrealistic.

48.   Cambior Inc., a Canadian mining company, plans to channel nearly a mile of Pinto Creek.

49.   Canadian companies also make attractive buyout targets because they are used to doing business in the U.S, he said.

50.   Canadian companies are among hundreds of non-U.S. businesses operating in Cuba through joint ventures.