| Old Oak Damp Proofing | 01267 233666 | | 6 Glannant Road, Carmarthen, SA31 3JD |  Map & Directions |
| Pembrokeshire Damp | 01437 741380 | | Woodside, Treffgarne, Haverfordwest, SA62 5LP | | Map & Directions |
| R F Gwyther | 01792 649804 | | 15 Sydney Street , Brynhyfryd, Swansea, SA5 9JQ | | Map & Directions |
| British Damp Proofing | 01437 891178 | | Sibrwd Y Dail, Tiers Cross, Haverfordwest, SA62 3DB | | Map & Directions |
| Swansea Valley Damp Proofing | 01639 842231 | | 13 Graig Road, Godrergraig, Swansea, SA9 2NX | | Map & Directions |
| R H Developments Ltd | 01792 641417 | | 31 Richardson Street, Swansea, SA1 3JF | | Map & Directions |
| C E T Morgan | 01792 898946 | | 3 Tudor Court, Llanedi, Pontarddulais, Swansea, SA4 0YY | | Map & Directions |
| A M D | 01792 896121 | | 2 Thomson Court, Garden Village, Gorseinon, Swansea, SA4 4HA | | Map & Directions |
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