TPS Construction - Newport

O&E Construction - Newport

Blackburn Griffiths - Caerphilly

SWBC - Newport

JR Gilbert Engineering Ltd. Precision and Mechanical Engineering - Blackwood

Carib Construction Ltd - Newport

CJN Engineering Ltd - Newport

K M Plant Hire & Groundworks Ltd. - Newport

Tarmac Hafod Asphalt Plant - Newport

Blackwood Engineering - Abertillery