- Coatbridge - 25 companies
- Cobham - 8 companies
- Cockermouth - 10 companies
- Cockfosters - 1 company
- Cody Road - 1 company
- Coggeshall - 1 company
- Colchester - 246 companies
- Colchester, Essex - 1 company
- COLDSTREAM - 3 companies
- Coleford - 17 companies
- Coleford | - 1 company
- Coleorton - 1 company
- Coleraine - 29 companies
- Coleshill - 6 companies
- Colindale - 1 company
- Colnbrook - 7 companies
- Colnbrook, Slough - 1 company
- Colne - 29 companies
- Colwick - 1 company
- Colwyn Bay - 16 companies
- Colyton - 2 companies
- Combe Martin - 1 company
- Congelton - 1 company
- Congleton - 59 companies
- Congresbury - 1 company
- Coningsby - 1 company
- Coniston - 3 companies
- Consett - 26 companies
- Conwy - 12 companies
- Conwy County - 1 company
- Cookham Dean - 1 company
- Cookstown - 24 companies
- Copthorne - 5 companies
- Corbridge - 1 company
- Corby - 106 companies
- Corfe Mullen - 1 company
- Cornwall - 48 companies
- Corringham - 1 company
- Corsham - 23 companies
- Corwen - 7 companies
- Cosby - 1 company
- Coseley - 1 company
- Cosgrove - 1 company
- Cotgrave - 1 company
- Cottingham - 8 companies
Towns 226 to 270 | Page 6 of 8