DF Building Services - Billingham

J Carter Construction Ltd - Stockton-on-Tees

Addison Plant Ltd - Stockton-on-Tees

H S Carlsteel Engineering Ltd - Billingham

Wilton Group - Middlesbrough

Boskalis - Billingham

Covol Engineering Limited - Billingham

Able UK - Head Office - Billingham

Inhouse Architecture Ltd - Billingham

Bright Ideas Consulting and Development Ltd - Middlesbrough