| KNOBS | BASTA PARSONS LTD |
| CAIRNEY HARDWARE LTD |
| DORTREND INTERNATIONAL LTD |
| FARMER BROS & JD BEARDMORE |
| GRANT HAZE LONDON LTD |
| HEWI - HARDWARE HANDRAILS & BALUSTRADES |
| HOLLYWATER FITTINGS LTD |
| HOWARTH TIMBER GROUP |
| INGERSOLL RAND SECURITY TECHNOLOGIES |
| LAIDLAW SOLUTIONS LTD |
| KNOBS Aluminium | DORTREND INTERNATIONAL LTD |
| KNOBS Anti-Bacterial Coating | LAIDLAW SOLUTIONS LTD |
| KNOBS Anti-Ligature | DORTREND INTERNATIONAL LTD |
| LAIDLAW SOLUTIONS LTD |
| KNOBS Brass | DORTREND INTERNATIONAL LTD |
| FARMER BROS & JD BEARDMORE |
| INGERSOLL RAND SECURITY TECHNOLOGIES |
| KNOBS Centre Door | DORTREND INTERNATIONAL LTD |
| FARMER BROS & JD BEARDMORE |
| KNOBS Coloured Nylon | HEWI - HARDWARE HANDRAILS & BALUSTRADES |
| LAIDLAW SOLUTIONS LTD |
| KNOBS Cupboard | FARMER BROS & JD BEARDMORE |
| HEWI - HARDWARE HANDRAILS & BALUSTRADES |
| HOWARTH TIMBER GROUP |
| KNOBS Glass Door | HOLLYWATER FITTINGS LTD |
| KNOBS Porcelain | HOWARTH TIMBER GROUP |
