Quebec is the largest aluminum importer to the U.S.,' Premier Francois Legault said hours before heading to Washington D.C.

With the threat of tariffs looming, here's a look at the top sectors in terms of exports to the United States.

Aluminum is the second largest sector in Quebec after aerospace, representing 10 per cent of the province's export market. Legault toured an aluminum plant Thursday in Sept-Îles in an attempt ...