Essentially all public shows will use mass-produced factory fireworks, mostly from China; competition and regulation have largely snuffed out U.S. makers. These fireworks are cheap and abundant, great for post-barbecue reverie but unsatisfying to discerning eyes.
“In municipal displays you’ll see quantity over quality,” said Niesen, a member of Northern Lighter Pyrotechnics. “For something really spectacular, the public should come to the conventions of fireworks clubs.”
Fireworks clubs? Somehow, I don't think there are very many Canadian hobbyists. With the extreme firearms paranoia of urban Canadians, I bet the purchase of all the firework fixin's is prohibited.