| RETAINING WALL Blocks | AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ELITE PRECAST CONCRETE LIMITED |
| FORTICRETE WALLING & CAST STONE |
| GRASS CONCRETE LTD |
| LIGNACITE LTD |
| MACCAFERRI LTD |
| MARSHALLS CPM |
| NAYLOR CONCRETE PRODUCTS LTD |
| Phi Group - Retaining Structures |
| SUPREME CONCRETE LTD |
| THOMAS ARMSTRONG (CONCRETE BLOCKS) LTD |
| RETAINING WALL Gabions | BETAFENCE GABION SOLUTIONS |
| MACCAFERRI LTD |
| Phi Group - Retaining Structures |
| VERDANT SOLUTIONS LTD |
| RETAINING WALL Lifting System | FORTERRA BUILDING PRODUCTS LIMITED |
| RETAINING WALL Panels | ELITE PRECAST CONCRETE LIMITED |
| MACCAFERRI LTD |
| MARSHALLS CPM |
| NAYLOR CONCRETE PRODUCTS LTD |
| RETAINING WALL Reinforcement Fabric | BRITISH GYPSUM |
| GRASS CONCRETE LTD |
| RETAINING WALL Reinforcement Geogrids | ABG LTD |
| MACCAFERRI LTD |
| RETAINING WALL Units | AGGREGATE INDUSTRIES - BLOCKS |
| AGGREGATE INDUSTRIES - COMMERCIAL LANDSCAPING |
| ELITE PRECAST CONCRETE LIMITED |
| FORTERRA BUILDING PRODUCTS LIMITED |
| MACCAFERRI LTD |
| MARSHALLS CPM |
| NAYLOR CONCRETE PRODUCTS LTD |
| Phi Group - Retaining Structures |
