| Aco Drain Ltd | Drainage channel |
| ACP Concrete Ltd | Concrete block & beam floors |
| Thomas Armstrong Ltd | Concrete / aircrete block |
| Baggeridge Brick Plc | Specialist brick |
| Balmoral Tanks Ltd | Septic tank |
| Brett Martin BP Ltd | Gutter & cast iron gutter look a like |
| BRC Building products Ltd | Brickwork reinforcement |
| Brett Paving Ltd | Paving & landscape |
| British Gypsum Ltd | Plaster |
| Castle Cement Ltd | Cement |
| Cavity Trays Ltd | Cavity trays, flashing |
| Celcon H&H Ltd | Aircrete blocks & flooring systems |
| Charcon Ltd | Concrete kerbs & paving |
| Clark-Drain Ltd | Steel manhole cover & frames |
| Cradley Special Brick | Special shaped bricks |
| Dacatie Quantum Profiles Ltd | Cavity closer |
| Fakro GB Ltd | Roof windows alternative to Velux |
| Fermacell Ltd | Dry lining & fire protection boards |
| Flexseal Couplings Ltd | Flexible pipe couplings |
| Glidevale Ltd | Roof ventilation |
| Hanson Brick Ltd | Bricks inc. LBC |
| PC Henderson Ltd | Henderson garage doors |
| Hepworth Building Products Ltd | Clay drainage |
| Ibstock Building Products Ltd | Bricks |
| IG Lintels Ltd | Steel lintels |
| Lafarge UK | Plasterboards |
| Klargester Ltd | Septic tanks |
| Manthorpe Building Products Ltd | Roof vents, cavity trays |
| Marley Pumbing & Drainage Ltd | PVCu underground drainage |
| Marshalls Mono Plc | Decorative landscape products |
| Plasmore Ltd | Concrete blocks |
| Redbank Manufacturing Ltd | Gas flue systems, clayware |
| Rolawn Ltd | Top quality turf & topsoil |
| Peter Savage Ltd | Cast iron & steel manhole covers |
| Superglass Ltd | Cavity & loft onsulation |
| Vista Engineering Ltd | Wall ties, steelwork |
| Visqueen | Polythene film, dampcourse |