Doctor Who Cottage (Police Box) Industries was a business created by multiple incarnations of the Doctor from which they sold various items. It was formed in the year 2000.
The Second Doctor attempted to sell recorders, the Third Doctor attempted to sell sonic screwdrivers, the Fourth Doctor announced that hand-knitted scarves were going cheap while the Fifth Doctor claimed to sell the very best willow cricket bats. (NOTVALID: The Next 20 Years)