Companies
| Name | City | Phone | ||
|---|---|---|---|---|
| HARKER | — | — | — | Open → |
| Harlow District Council | Harlow, Essex | building.control@harlow.gov.uk | 01279 446826 | Open → |
| Harold Dale | Leconfield | hcadale@gmail.com | 01964551957 | Open → |
| HARPHAM | — | — | — | Open → |
| HARRIET WEBB | — | — | — | Open → |
| HARRIS | — | — | — | Open → |
| HARRISON | — | — | — | Open → |
| HARRISON | — | — | — | Open → |
| HARRISON SPIKS LTS | HARROGATE | — | — | Open → |
| Harrogate Borough Council | Harrogate | building.control@harrogate.gov.uk | x | Open → |
| Harrogate Fire Station | Harrogate | — | — | Open → |
| Harsh Ltd | York | — | — | Open → |
| HART | — | — | — | Open → |
| Hart District Council | Fleet | — | — | Open → |
| Hartlepool Borough Council | Hartlepool | — | 01429 866522 | Open → |
| HARTLEY | — | — | — | Open → |
| HARVEY | — | — | — | Open → |
| HARWOOD | — | — | — | Open → |
| HASLAM | — | — | — | Open → |
| Hastings Borough Council | Hastings | buildingcontrol@rother.gov.uk | — | Open → |
| Havant Borough Council | Havant, Hamps. | — | 02392 446572 | Open → |
| Hawk Furniture Ltd | York | glen@hawkfurniture.co.uk | — | Open → |
| HAXTON DEVELOPMENTS | — | — | — | Open → |
| Haxton Developments Ltd | Malton | — | — | Open → |
| Hayden Prenshaw | Leeds | — | — | Open → |