| ROOF GLAZING SYSTEMS . | KAWNEER UK LTD |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| SCHUECO UK LTD |
| SOLARLUX SYSTEMS LTD |
| TECHNAL LTD |
| ROOF GLAZING SYSTEMS Aluminium | TECHNAL LTD |
| ROOF GLAZING SYSTEMS Interlocking | KAWNEER UK LTD |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| SCHUECO UK LTD |
| ROOF GLAZING SYSTEMS Non-Fragile Safe | HAMBLESIDE DANELAW LTD |
| SCHUECO UK LTD |
| ROOF GLAZING SYSTEMS Polycarbonate | ROCKWELL GLAZING AND CLADDING SOLUTIONS |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| ROOF GLAZING SYSTEMS Stainless Steel Framed | CRITTALL WINDOWS LTD |
| ROOF GLAZING SYSTEMS Steel Framed | CRITTALL WINDOWS LTD |
