| TUNNEL LININGS | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
| S1E LIMITED |
| SOPREMA UK |
| TUNNEL LININGS Pedestrian Tunnels | FILON PRODUCTS LTD |
| TUNNEL LININGS PVC | SOPREMA UK |
| TUNNEL LININGS Repairable Single Layer Systems | SOPREMA UK |
| TUNNEL LININGS Repairable Vacuum Systems | SOPREMA UK |
| TUNNEL LININGS Sprayed | S1E LIMITED |
| TUNNEL LININGS TPO Thermoplastic Polyolefin | SOPREMA UK |
| TUNNEL LININGS Waterproofing Drainage Layers | MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| NEWTON WATERPROOFING SYSTEMS |
