B Blaenau Gwent Bridgend Brymbo C Caerphilly Cardiff Carmarthenshire Conwy Crumlin D Denbighshire F Flintshire G Gwynedd M Merthyr Tydfil Monmouthshire N Neath Port Talbot Newport P Pembrokeshire Penlan Pontardawe Pontycymer Port Tennant Powys R Rhondda Cynon Taff Risca S Swansea Swansea Enterprise Park T The Vale of Glamorgan Thornhill Torfaen W Waunarlwydd Wrexham Wrexham Industrial Estate Recently updated companies Most viewed companies