A Anglesey B Bridgend C Caerphilly Cardiff Carmarthenshire Ceredigion Conwy Conwy D Denbighshire F Flintshire G Gwynedd L Lisvane Llanishen M Merthyr Tydfil Monmouthshire N Newbridge Newport Newton P Pembrokeshire Pontarddulais Pontprennau Powys S Swansea T The Vale of Glamorgan Torfaen W Wrexham Wrexham Technology Park Recently updated companies Most viewed companies