A Anglesey B Bridgend C Caerphilly Cardiff Carmarthenshire Ceredigion Conwy D Denbighshire F Flintshire G Gwynedd J Johnstown M Machen Merthyr Tydfil Monmouthshire Morganstown N Neath Port Talbot Newport P Pontarddulais Powys R Rhondda Cynon Taff S Southgate Swansea T The Vale of Glamorgan W Wrexham Wrexham Industrial Estate Recently updated companies Most viewed companies