| TERRACE Drainage Systems | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ALTHON LTD |
| CLARK DRAIN LTD |
| COMPONENT DEVELOPMENTS |
| DURAL UK LTD |
| GEBERIT SALES LTD PIPING SYSTEMS |
| HAURATON LTD |
| HOWE GREEN ACCESS COVERS |
| ICB GROUP |
| TERRACE Edging Systems / Edge Protection | DANI ALU UK LTD |
| TERRACE Paving and Tile Supports | ALUMASC WATER MANAGEMENT SOLUTIONS |
| DANI ALU UK LTD |
| ICB GROUP |
| SOPREMA UK |
| TERRACE Tile Cross Spacers | ICB GROUP |
| TERRACE Units | FORTERRA BUILDING PRODUCTS LIMITED |
| HOLCIM AGGREGATES UK |
| PRECAST CONCRETE STRUCTURES LTD |
| TERRACE Waterproofing | ICB GROUP |
