Johnston Wiltshire McDermott Advertising of Brampton, Ont. is conducting a search for a media buying agency to work on its current accounts and expected new business

The assignment, valued at more than $7 million, includes Drug Trading Company and its retail operations I.D.A. Drugstores, Guardian Drugs and RxCentral which account for more than $5 million.

The agency’s other clients are Hoffman-LaRoche, Kenral and Sancella.