| GLAZED ROOF STRUCTURES Aluminium Sections | FORDINGBRIDGE PLC |
| SAPA BUILDING SYSTEMS LTD |
| SCHUECO UK LTD |
| SOLARLUX SYSTEMS LTD |
| GLAZED ROOF STRUCTURES Arcades | FORDINGBRIDGE PLC |
| SCHUECO UK LTD |
| GLAZED ROOF STRUCTURES Architectural | COLT ARCHITECTURAL SOLUTIONS |
| CREATIVE GLASS & MIRRORS LTD |
| EPWIN GROUP |
| FORDINGBRIDGE PLC |
| PILKINGTON UK LTD |
| SAINT GOBAIN GLASS UK LTD |
| SASH UK LTD |
| SCHUECO UK LTD |
| SOLARLUX SYSTEMS LTD |
| TRADITIONAL ROOF LANTERNS LTD |
| GLAZED ROOF STRUCTURES Barrel Vaults | ALUMASC EXTERIOR BUILDING PRODUCTS |
| BRETT MARTIN DAYLIGHT SYSTEMS |
| COLT ARCHITECTURAL SOLUTIONS |
| FILON PRODUCTS LTD |
| FORDINGBRIDGE PLC |
| LIVING SPACE UK LTD |
| ROCKWELL SHEET SALES LTD |
| SABIC INNOVATIVE PLASTICS |
| SASH UK LTD |
| SCHUECO UK LTD |
| STOAKES SYSTEMS LTD |
| TWINFIX |
| GLAZED ROOF STRUCTURES Commercial | FORDINGBRIDGE PLC |
| SCHUECO UK LTD |
| STOAKES SYSTEMS LTD |
| GLAZED ROOF STRUCTURES Glass Domes | FORDINGBRIDGE PLC |
| SCHUECO UK LTD |
| STOAKES SYSTEMS LTD |
| GLAZED ROOF STRUCTURES Pyramids | SCHUECO UK LTD |
| STOAKES SYSTEMS LTD |
