| CHANNELS | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ALTHON LTD |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| BLÜCHER UK LTD |
| BRETT LANDSCAPING |
| COMPONENT DEVELOPMENTS |
| DALLMER LTD |
| ELITE PRECAST CONCRETE LIMITED |
| FORTERRA BUILDING PRODUCTS LIMITED |
| HALFEN LTD |
| HAURATON LTD |
| HEPWORTH CLAY & TERRACOTTA |
| HOWE GREEN ACCESS COVERS |
| NAYLOR DRAINAGE PRODUCTS LTD |
| OSMA |
| CHANNELS Aluminium | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| CHANNELS Cast-In Support System | ACS STAINLESS STEEL FIXINGS LTD |
| HALFEN LTD |
| CHANNELS Chemical Resistant | BLÜCHER UK LTD |
| COMPONENT DEVELOPMENTS |
| HEPWORTH CLAY & TERRACOTTA |
| NAYLOR DRAINAGE PRODUCTS LTD |
| CHANNELS Commercial | BLÜCHER UK LTD |
| CHANNELS Concrete | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| BRETT LANDSCAPING |
| CEMEX CONCRETE PRODUCTS UK LTD |
| ELITE PRECAST CONCRETE LIMITED |
| HALFEN LTD |
| HAURATON LTD |
| CHANNELS Curved Steel | HALFEN LTD |
| CHANNELS FRC | HAURATON LTD |
| CHANNELS Galvanised Steel | ALUMASC WATER MANAGEMENT SOLUTIONS |
| HALFEN LTD |
| HAURATON LTD |
| CHANNELS GRC | HAURATON LTD |
| CHANNELS High Capacity | HAURATON LTD |
| CHANNELS PE-PP | HAURATON LTD |
| CHANNELS Polymer Concrete | OSMA |
| WAVIN |
| CHANNELS Precast Concrete | AGGREGATE INDUSTRIES UK LTD |
| ELITE PRECAST CONCRETE LIMITED |
| MARSHALLS CPM |
| CHANNELS Profiled Sheet Fixing | HALFEN LTD |
| CHANNELS Resin Concrete | OSMA |
| CHANNELS Shallow Section | HAURATON LTD |
| CHANNELS Slotted | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ALTHON LTD |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| BINGLEY STONE |
| BLÜCHER UK LTD |
| CLARK DRAIN LTD |
| COMPONENT DEVELOPMENTS |
| FORTERRA BUILDING PRODUCTS LIMITED |
| HAURATON LTD |
| HOWE GREEN ACCESS COVERS |
| MARSHALLS CPM |
| NAYLOR DRAINAGE PRODUCTS LTD |
| PIPELINE & DRAINAGE SYSTEMS LTD |
| WAVIN |
| CHANNELS Spillway | GRASS CONCRETE LTD |
| CHANNELS Stainless Steel | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ACS STAINLESS STEEL FIXINGS LTD |
| BLÜCHER UK LTD |
| COMPONENT DEVELOPMENTS |
| DALLMER LTD |
| HAURATON LTD |
| HOWE GREEN ACCESS COVERS |
| CHANNELS Stormwater | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| FORTERRA BUILDING PRODUCTS LIMITED |
| HAURATON LTD |
| CHANNELS Surface Fixing Surface Fixed | ACS STAINLESS STEEL FIXINGS LTD |
| HALFEN LTD |
| CHANNELS Vitrified Clay | HEPWORTH CLAY & TERRACOTTA |
