| BASEMENT Conversions | PERMANENT SHUTTERING SYSTEMS LTD |
| PROTEN SERVICES LTD |
| BASEMENT Damp Proofing | DAMPCOURSING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| JOHN NEWTON & CO LTD |
| PROTEN SERVICES LTD |
| RIW LTD |
| SOVEREIGN CHEMICALS LTD |
| TAM INTERNATIONAL UK LTD |
| BASEMENT Drainage Sheets | DELTA MEMBRANE SYSTEMS LTD |
| KLOBER LTD |
| RIW LTD |
| BASEMENT Grouting | TAM INTERNATIONAL UK LTD |
| BASEMENT Panels | HANSON BUILDING PRODUCTS |
| BASEMENT Tanking Drainage | DAMPCOURSING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| JOHN NEWTON & CO LTD |
| RIW LTD |
| BASEMENT Tanking Systems | DAMPCOURSING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| FOSROC LTD |
| ICOPAL LTD |
| JOHN NEWTON & CO LTD |
| KLOBER LTD |
| RIW LTD |
| SIKA CONCRETE PRODUCTS |
| SIKA CONSTRUCTION PRODUCTS |
| SOVEREIGN CHEMICALS LTD |
| TAM INTERNATIONAL UK LTD |
| BASEMENT Waterproofing | AGGREGATE INDUSTRIES UK LTD |
| DAMPCOURSING LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| FLAG SOPREMA UK Ltd |
| FOSROC LTD |
| ICOPAL LTD |
| JOHN NEWTON & CO LTD |
| KLOBER LTD |
| PETER COX LTD |
| RIW LTD |
| SIKA CONSTRUCTION PRODUCTS |
| SOVEREIGN CHEMICALS LTD |
| TAM INTERNATIONAL UK LTD |
