Retail sales supervisors supervise and co-ordinate the activities of workers in the following unit groups: Retail Salespersons (6421), Cashiers (6611), Store Shelf Stockers, Clerks and Order Fillers (6622) and Other Sales Related Occupations (6623). They are employed by stores and other retail businesses, wholesale businesses that sell on a retail basis to the public, rental service establishments and businesses involved in door-to-door soliciting and telemarketing.