• Campbeltown Pupils AFC
• Chalfont St Peter AFC
• Charlton Rovers AFC
• Cheltenham & Cotswold Advanced Motorcyclists
• Cheltenham Junior Hockey Club
• Cheltenham Netball Club
• Cheltenham Saracens
• Cheltenham Town Ladies FC
• Cheltenham Town Ladies Youth FC
• Cheltenham YMCA Basketball Club
• Chesterton AFC
• Chiltern & South Bucks District
• Chobham Academy
• Chobham Football Academy
• Christ's College Finchley
• Churchdown Panthers FC
• Cotswold Gymnastics Club
• Cougars Basketball
• Court Farm AFC
• CPD Iau Bryn Rhosyr
• CPD Mynydd Llandegai
• CPD Mynydd Tigers
• Cranbrook Juniors FC
• Cranleigh FC
• David Lloyd Tennis
• Digitech Studio School
• Dover Rangers FC
• Drakes Broughton Rangers FC
• Dunstable Town FC
• Dursley Town AFC
• Dursley Town Girls AFC
• Dursley Town Girls Coaches