A Anglesey B Blaenau Gwent Bridgend Brynmenyn C Caerphilly Cardiff Carmarthenshire Ceredigion Conwy Conwy Crymlyn Burrows D Denbighshire F Flintshire G Gwynedd M Merthyr Tydfil Monmouthshire N Neath Port Talbot Newport P Pembrokeshire Ponthir Pyle R Rhondda Cynon Taff Rhostyllen S South Cornelly Swansea Swansea Enterprise Park T The Vale of Glamorgan W Wrexham Recently updated companies Most viewed companies