A Anglesey B Blaenau Gwent Bridgend Bridgend Brynmill C Caerphilly Cardiff Carmarthenshire Cefn Coed Cefn Cribwr Ceredigion Conwy D Denbighshire F Flintshire G Gwynedd H Heol-y-cyw L Llanishen Loughor M Merthyr Tydfil Merthyr Tydfil Monmouthshire N Neath Port Talbot O Overton P Pembrokeshire Pontardawe Port Tennant Porteynon Powys R Rhondda Cynon Taff Rhosllanerchrugog S Swansea T The Vale of Glamorgan W Wrexham Wrexham Industrial Estate Y Ystradgynlais Recently updated companies Most viewed companies