| ROOF Abutments Vent Strip | MARLEY LTD |
| ROOF Anti-Climb Systems | ALUMASC WATER MANAGEMENT SOLUTIONS |
| FUSION FACADES LTD |
| ROOF Balcony Systems | DANI ALU UK LTD |
| FAKRO GB LTD |
| ROOF Cable Tube Duct | KLOBER LTD |
| ROOF Complete Systems | MARLEY LTD |
| SOPREMA UK |
| TATA STEEL UK |
| ROOF Edging | DANI ALU UK LTD |
| ROOF Expansion Movement Joint Covers | CONSTRUCTION SPECIALTIES - EXPANSION JOINT COVERS |
| ROOF Expansion Movement Joints | KLOBER LTD |
| ROOF Fire Vents | BILCO UK LTD |
| SE CONTROLS |
| ROOF Flashings | DANI ALU UK LTD |
| KLOBER LTD |
| LINDAB LTD |
| UBBINK UK LTD |
| ROOF Framing | TATA STEEL UK |
| ROOF Handrail Systems | DANI ALU UK LTD |
| GUARDRAIL ENGINEERING LTD |
| ROOF Irrigation Systems | ICB GROUP |
| ROOF Landscaping | SOPREMA UK |
| ROOF Maintenance System | POWER ACCESS SYSTEMS LTD |
| ROOF Mechanical Vent Systems | BILCO UK LTD |
| SE CONTROLS |
| TROX UK LTD |
| ROOF Secret Gutters | FILON PRODUCTS LTD |
| KLOBER LTD |
| TIMLOC BUILDING PRODUCTS |
| ROOF Slabs | AGGREGATE INDUSTRIES - BLOCKS |
| ROOF Soffit Vent Mesh | PROTEKTOR GROUP UK LTD |
| TIMLOC BUILDING PRODUCTS |
| ROOF Space Ventilators | CAVITY TRAYS LTD |
| KLOBER LTD |
| TIMLOC BUILDING PRODUCTS |
| ROOF Steps | KLOBER LTD |
| ROOF Structures | CANADA WOOD UK |
| ROOF Terminals | A1 FLUE SYSTEMS |
| DOMUS VENTILATION |
| KLOBER LTD |
| SE CONTROLS |
| TIMLOC BUILDING PRODUCTS |
| UBBINK UK LTD |
| ROOF Tile Guards | KLOBER LTD |
| ROOF Trolleys | POWER ACCESS SYSTEMS LTD |
| ROOF Vent Connector | KLOBER LTD |
| ROOF Weathering | KLOBER LTD |
| OSMA |
| SOPREMA UK |
