Subway took second place with 5,696 occurrences, according to AdEase’s March 10 to 16 report.
Subway came in as the second most active advertiser, followed by BCE.
With 5,117 combined occurrences, the QSR ranked in almost all markets.
Desjardins Group and Toyota trail closely behind in the latest report on radio ad spend.
The jeweler scored 5,717 combined occurrences, 1,457 more than the previous radio buying week.
The retailer recorded 4,260 combined occurrences during the week of Jan 27 to Feb 2.
Rogers and Subaru are among the advertisers that moved the most on the AdEase ranking.
QSRs, local government, and dine-in restaurants and bars are the highest-spending groups of the week.
AdEase’s report for the week of Jan 6 to12 shows that the third most active advertiser was Spence Diamonds.
The latest AdEase report shows that London Drugs ranked second in the week of Dec 30 to Jan 5.
Shoppers remained as the second most active advertiser on radio during the week of Dec. 9 to 15.
QSRs and dine-in restaurants are among the highest-spending groups of the week.
Spence Diamonds ranks as the second most active advertiser, followed by Shoppers Drug Mart.
McDonald’s, which had dominated the airwaves over the past few weeks, did not appear on the list.
With 7,869 combined occurrences, the QSR landed first in Vancouver, Calgary and Edmonton.