A Anglesey B Blaenau Gwent Bridgend C Cardiff Carmarthenshire Ceredigion Conwy D Denbighshire F Flintshire G Gwynedd L Llandaff Llanishen M Merthyr Tydfil Monmouthshire N Neath Port Talbot Newport P Pembrokeshire Powys R Rhondda Cynon Taff Rhostyllen S Swansea T The Vale of Glamorgan W Wrexham Recently updated companies Most viewed companies