| CASINGS | BRITISH GYPSUM |
| CONTOUR HEATING PRODUCTS LTD |
| FUSION FACADES LTD |
| GUTTERMASTER LTD |
| KNAUF UK |
| ROCKWOOL LTD |
| CASINGS Aluminium | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Architectural | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Beam Casings | CONTOUR HEATING PRODUCTS LTD |
| KNAUF UK |
| CASINGS Decorative | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Drywall Systems | KNAUF UK |
| CASINGS Fire Protection | BRITISH GYPSUM |
| KNAUF UK |
| ROCKWOOL LTD |
| CASINGS HVAC Casings | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Perimeter Casings | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Preformed Plywood | CONTOUR HEATING PRODUCTS LTD |
| CASINGS Purpose Made | CONTOUR HEATING PRODUCTS LTD |
