| REGISTERS Aluminium | SENIOR HARGREAVES |
| REGISTERS Ceiling Ventilation | AIRFLOW DEVELOPMENTS LTD (COMMERCIAL) |
| FLAKT WOODS LTD |
| POLYPIPE VENTILATION |
| RUSKIN AIR MANAGEMENT LTD |
| SENIOR HARGREAVES |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| VERPLAS LTD |
| REGISTERS Cill Ventilation | POLYPIPE VENTILATION |
| REGISTERS Dark Room | VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| REGISTERS Stainless Steel | VERPLAS LTD |
| REGISTERS Vision Proof | VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| REGISTERS Wall Ventilation | FLAKT WOODS LTD |
| POLYPIPE VENTILATION |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| VERPLAS LTD |
