| TERRACE Drainage Systems | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ALTHON LTD |
| CLARK DRAIN LTD |
| COMPONENT DEVELOPMENTS |
| DALLMER LTD |
| DURAL UK LTD |
| HAURATON LTD |
| HOWE GREEN ACCESS COVERS |
| HUNTER PLASTICS LTD |
| ICB (WATERPROOFING) LTD |
| TERRACE Edging Systems / Edge Protection | DANI ALU UK LTD |
| TERRACE Paving and Tile Supports | ALUMASC WATER MANAGEMENT SOLUTIONS |
| BRETT LANDSCAPING |
| DANI ALU UK LTD |
| ICB (WATERPROOFING) LTD |
| SOPREMA UK |
| TERRACE Surface Repairing Liquid | SIKA LIMITED |
| SIKA LIQUID PLASTICS LTD |
| TERRACE Tile Cross Spacers | ICB (WATERPROOFING) LTD |
| TERRACE Units | AGGREGATE INDUSTRIES UK LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| MARSHALLS CPM |
| PRECAST CONCRETE STRUCTURES LTD |
| TERRACE Waterproofing | ICB (WATERPROOFING) LTD |
| SIKA LIQUID PLASTICS LTD |
