A Anglesey B Blaenau Gwent Bridgend Bridgend Brymbo C Caerphilly Caerphilly Cardiff Carmarthenshire Ceredigion Chirk Clydach Conwy D Denbighshire F Flintshire G Gresford Gwynedd J Johnstown L Llanishen Llanrumney M Merthyr Tydfil Merthyr Tydfil Monmouthshire Morriston N Neath Port Talbot Newport Newton O Ogmore-by-sea P Pembrokeshire Pencoed Penlan Powys R Rhondda Cynon Taff Rogerstone Rumney S Sketty Swansea Swansea Enterprise Park T The Vale of Glamorgan Torfaen Treboeth W Waunarlwydd Wrexham Y Ystradgynlais Recently updated companies Most viewed companies