National Grid - Cilfynydd 400kV Substation - Pontypridd

M. S. Electrical Supplies - Porth

Electric Displays - Pontypridd

Gas Assessment & Training Centre Ltd - Pontypridd

Madley Renewables - Cardiff

Blue Flame Gas Solutions - Pontypridd

GP Biotec - Brecon

Cambium Sustainable Ltd - Brecon

Tugbury Limited - Pontypridd

Enica Ltd - Pontypridd