| WINDOWS: METAL .See Also WINDOWS: ALUMINIUM / WINDOWS: STEEL / | BALCONETTE |
| CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| FSE FOUNDRY |
| HOWARTH TIMBER GROUP |
| KAWNEER UK LTD |
| REHAU LTD - WINDOWS, DOORS & CURTAIN WALLING |
| SAFETELL LTD |
| SCHUECO UK LTD |
| SE CONTROLS |
| TECHNAL LTD |
| WESTPHALIA WINDOWS LTD |
| WICONA UK |
| WINDOWS: METAL Agricultural | CRITTALL WINDOWS LTD |
| WINDOWS: METAL Assemblies | TECHNAL LTD |
| WINDOWS: METAL Blast Resistant | KAWNEER UK LTD |
| SCHUECO UK LTD |
| TECHNAL LTD |
| WINDOWS: METAL Bullet Resistant | KAWNEER UK LTD |
| SAFETELL LTD |
| SCHUECO UK LTD |
| WICONA UK |
| WINDOWS: METAL Curved | BALCONETTE |
| CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| WINDOWS: METAL Drive Thru | SAFETELL LTD |
| WINDOWS: METAL Larder | CRITTALL WINDOWS LTD |
| WINDOWS: METAL Louvre | SE CONTROLS |
| WINDOWS: METAL Permanent Ventilation | CRITTALL WINDOWS LTD |
| WINDOWS: METAL Purpose Made | BALCONETTE |
| CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| FSE FOUNDRY |
| KAWNEER UK LTD |
| SCHUECO UK LTD |
| TECHNAL LTD |
| WESTPHALIA WINDOWS LTD |
| WICONA UK |
| WINDOWS: METAL Refurbishment | CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| SCHUECO UK LTD |
| WINDOWS: METAL Replacement | CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| FSE FOUNDRY |
| KAWNEER UK LTD |
| WESTPHALIA WINDOWS LTD |
| WINDOWS: METAL Ribbon | CRITTALL WINDOWS LTD |
| KAWNEER UK LTD |
| SCHUECO UK LTD |
| WINDOWS: METAL School Refurbishment | CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| KAWNEER UK LTD |
| WESTPHALIA WINDOWS LTD |
| WINDOWS: METAL Special Shapes | CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| WINDOWS: METAL Standard | CLEMENT WINDOWS GROUP LTD |
| CRITTALL WINDOWS LTD |
| HOWARTH TIMBER GROUP |
| KAWNEER UK LTD |
| REHAU LTD - WINDOWS, DOORS & CURTAIN WALLING |
| SCHUECO UK LTD |
| TECHNAL LTD |
| WESTPHALIA WINDOWS LTD |
