| Chubb Managing Agents Limited | 0207 173 7000 | 40 Leadenhall Street, London, EC3A 2BJ, United Kingdom |
| Cincinnati Global Underwriting Agency Limited | 0207 220 8200 | 3rd Floor, One Minster Court, Mincing Lane, London, EC3R 7AA, United Kingdom |
| City Fire | 02071848000 | c/o Aspen Insurance, Plantation Place, 30 Fenchurch Street, London, EC3M 3BD |
| CNA Insurance Co Ltd | +44 20 7743 6800 | 1st Floor Minster Court, 2 Mincing Lane, London, EC3R 7BB, United Kingdom |
| Codeve Insurance Company Limited | +353 1 407 4998 | Floor 4, 25/28 Adelaide Road, Dublin D02 RY98, Dublin, ZZ9 9ZZ, IRELAND |
| Collingwood Insurance Company Ltd | 0845 370 0008 | 3/1 Waterport Place, Gibraltar, ZZ9 9ZZ |
| Convex UK Services Ltd | 020 3997 1153 | 52 Lime St, Langbourn, London, EC3M 7AF |
| Cornish Mutual Assurance Co Ltd | 01872 277151 | CMA House, Newham Road, Newham, Truro, TR1 2SU, United Kingdom |
| Coromin Insurance (Ireland) Ltd | 00 353 1 605 3000 | 25-28 Adelaide Road, Dublin, ZZ9 9ZZ, Ireland |
| Cotton Trades | | |
