Companies
| Name | City | Phone | ||
|---|---|---|---|---|
| Concept (Yorkshire) Ltd | Wakefield | — | — | Open → |
| Concept Construction Ltd | Leeds | — | — | Open → |
| Congleton Borough Council | Sandbach, Cheshire | — | 01270 763231 | Open → |
| Connect Joinery & Building Services | Leeds | garytrutch@hotmail.co.uk | — | Open → |
| CONRAD HILL | — | — | — | Open → |
| Constant Power Solutions | Selby | — | — | Open → |
| CONTRACT EXPERTS | — | — | — | Open → |
| Contract Experts Ltd | Leeds | — | — | Open → |
| Conwy County Borough Council | Colwyn Bay, North Wales | — | 01492 575240 | Open → |
| COOK | — | — | — | Open → |
| COOK | — | — | — | Open → |
| Cooke & Oldfield Ltd | Goole | — | — | Open → |
| COOPER | — | — | — | Open → |
| COOPER | — | — | — | Open → |
| COOPER | — | — | — | Open → |
| COOPER & WESTGATE | — | — | — | Open → |
| COOPER & WESTGATE LTD | — | — | — | Open → |
| COOPER & WESTGATE LTD | — | — | — | Open → |
| COOPER & WESTGATE LTD | — | — | — | Open → |
| COOPER & WOOD | — | — | — | Open → |
| COOPER &N WESTGATE | — | — | — | Open → |
| COOPER WESTGATE LTD | — | — | — | Open → |
| Copeland Borough Council | Whitehaven | — | 01946 852638 | Open → |
| Corby Borough Council | Corby | building.control@corby.gov.uk | 01536 464171 | Open → |
| Cornwall Council | Bodmin | buildingcontrol@cornwall.gov.uk | — | Open → |