B Birchgrove Blackmill Blaenau Gwent Bridgend Bridgend Brynmenyn C Caerphilly Caerphilly Cardiff Carmarthenshire Chirk D Denbighshire G Gorseinon Gwynedd M Merthyr Tydfil Monmouthshire N Neath Port Talbot Newport P Pembrokeshire Pencoed Ponthir Powys R Rhondda Cynon Taff Risca S Swansea Swansea Enterprise Park T The Vale of Glamorgan U Uplands W Wrexham Recently updated companies Most viewed companies