WCCA

The Wiltshire County Chess Association (WCCA) oversees the main chess clubs within the Wiltshire county and supervises the Wiltshire League inter-club competion (which is played between the Chippenham, Devizes, Swindon and Trowbridge chess clubs):

Wiltshire County Chess Association (WCCA)

(note that while Salisbury falls within Wiltshire, the Salisbury Chess Club doesn't normally take part in the WCCA's Wiltshire League due to the larger travel distances involved)