A Anglesey B Bridgend C Caerphilly Cardiff Carmarthenshire Ceredigion Conwy D Denbighshire F Fforestfach Flintshire G Gwynedd K Kenfig Hill L Llan-y-pwll M Monmouthshire N Neath Port Talbot Newport P Pembrokeshire Peterston-super-ely Powys Pyle R Rhondda Cynon Taff S Swansea Swansea Enterprise Park T The Vale of Glamorgan Torfaen W Wrexham Wrexham Industrial Estate Y Ynysddu Recently updated companies Most viewed companies