| WINDOW SILLS AND TRIMS | AGGREGATE INDUSTRIES - BLOCKS |
| AGGREGATE INDUSTRIES - STRUCTURAL PRODUCTS |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| BINGLEY STONE |
| CONTOUR HEATING PRODUCTS LTD |
| CRITTALL WINDOWS LTD |
| DANI ALU UK LTD |
| EUROCELL PLC |
| FORTICRETE WALLING & CAST STONE |
| HOWARTH TIMBER GROUP |
| PROCTER CAST STONE |
| PROTEKTOR GROUP UK LTD |
| ROBESLEE CONCRETE CO LTD |
| SEAMLESS ALUMINIUM GROUP |
| SUPREME CONCRETE LTD |
| WELSH SLATE |
| WINDOW SILLS AND TRIMS Aluminium | ALUMASC WATER MANAGEMENT SOLUTIONS |
| DANI ALU UK LTD |
| WINDOW SILLS AND TRIMS PVC-u | EUROCELL PLC |
| RESIDENTIEL VINYL CLADDING LTD |
| WINDOW SILLS AND TRIMS PVC-u Wood Effect | RESIDENTIEL VINYL CLADDING LTD |
| WINDOW SILLS AND TRIMS Type 1 Window Cill | SEAMLESS ALUMINIUM GROUP |
| WINDOW SILLS AND TRIMS Type 2 Window Cill | SEAMLESS ALUMINIUM GROUP |
| WINDOW SILLS AND TRIMS Type 3 Window Cill | SEAMLESS ALUMINIUM GROUP |
| WINDOW SILLS AND TRIMS Window Heads | AGGREGATE INDUSTRIES - STRUCTURAL PRODUCTS |
| FORTICRETE WALLING & CAST STONE |
| PORTLAND STONE FIRMS LTD |
| PROCTER CAST STONE |
| SEAMLESS ALUMINIUM GROUP |
| TATA STEEL |
| WINDOW SILLS AND TRIMS Window Jambs | AGGREGATE INDUSTRIES - STRUCTURAL PRODUCTS |
| BINGLEY STONE |
| FORTICRETE MASONRY PRODUCTS |
| FORTICRETE WALLING & CAST STONE |
| PROCTER CAST STONE |
| SEAMLESS ALUMINIUM GROUP |
