Dunlop

Began with John Boyd Dunlop’s pneumatic tyre and went on to make tennis rackets, balls and golf equipment.

John Boyd Dunlop was a veterinary surgeon in Belfast who developed a pneumatic tyre for his son's tricycle. The invention became the basis of a large tyre and rubber company.

Dunlop also made tennis balls and rackets, and the wooden Maxply racket became one of the most widely played. The name is now used by several companies in tyres and sport.

The flying D and model names such as Maxply.

• Sport and leisure