| SERVICE CONDUITS | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ANDERTON CONCRETE PRODUCTS LTD |
| ELITE PRECAST CONCRETE LIMITED |
| SERVICE CONDUITS Channels | ANDERTON CONCRETE PRODUCTS LTD |
| CLARK DRAIN LTD |
| ELITE PRECAST CONCRETE LIMITED |
| HAURATON LTD |
| HEPWORTH CLAY & TERRACOTTA |
| SERVICE CONDUITS Ducting | ACO TECHNOLOGIES PLC - WATER MANAGEMENT |
| AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ANDERTON CONCRETE PRODUCTS LTD |
| CAVITY TRAYS LTD |
| COMPONENT DEVELOPMENTS |
| CONTOUR HEATING PRODUCTS LTD |
| ELITE PRECAST CONCRETE LIMITED |
| HEPWORTH CLAY & TERRACOTTA |
| SERVICE CONDUITS Precast Concrete Sections | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ANDERTON CONCRETE PRODUCTS LTD |
| ELITE PRECAST CONCRETE LIMITED |
| SERVICE CONDUITS Vitrified Clay | HEPWORTH CLAY & TERRACOTTA |
| SERVICE CONDUITS Vitrified Clay BS 65:1991 | HEPWORTH CLAY & TERRACOTTA |
