Ontario Tourism was the top radio advertiser in Toronto for the week of March 14 to 20.

The tourism board had 933 radio spots, lifting it up from third place, while Toyota Dealers Association jumped on to the Media Monitor charts in second place with 897 ads. PC Optimum slipped to third from its second-place spot the previous week.

In Montreal, the Government of Quebec was once again the top advertiser with 633 ads, and Mazda increased its radio ads to take the second spot with 364 ads.

Categorically, banks, public service, and cars dealerships had the biggest presence on Toronto radio, while cars and trucks, government and banks were the most active in Montreal.