Hertfordshire
Datchworth League
Hertfordshire LTA
Watford & District League
Hertfordshire
Ashwell
Barley
Batchwood Golf & Tennis Centre (St Albans)
Berkhamsted
Bishop's Stortford
Bovingdon & Flaunden
Braughing
Brookmans Park
Broxbourne
Buntingford
Cassiobury (Watford)
Chipperfield
Chorleywood
Codicote
Croxley (Croxley Green, Watford)
Datchworth
David Lloyd Bushey
David Lloyd Hatfield [formerly Next Generation Hatfield]
Dellcott Family (Welwyn Garden City)
Digswell
Dyrham Park Golf & Country Club
Elliswick (Harpenden)
Elstree
Gosling (Welwyn Garden City)
Greenwood Park (St Albans)
Grosvenor (Watford)
Harpenden
Hertford
Hitchin
Hoddesdon
Hunsdon
Kimpton
Knebworth
Langley (Kings Langley)
Legends Tennis (Hertford Heath)
Letchworth
Leverstock Green
Lister (Stevenage)
Little Gaddesden
Long Marston
Moor Park (Rickmansworth)
Much Hadham
Northaw & Cuffley
OA (Old Albanian) (St Albans)
Odyssey Health & Racquet Club (Knebworth)
Orchard (Welwyn Garden City)
Oxhey Hall
Pirton
Potters Bar
Queenswood (Brookmans Park)
Radlett
Redbourn Public
Rickmansworth
Royston
Rye Park (Hoddesdon)
St Albans
St Margaretsbury (Stanstead Abbotts)
St. Paul's Walden Tennis Club (Whitwell)
Salisbury St Albans
Sarratt
Sawbridgeworth
Shenley Park (Shenley)
Standon & Puckeridge
Tewin
Townsend
Tring
Welwyn
West Herts & Watford
Watton-at-Stone
Weston
Wheathampstead
Wymondley