Oak Developments - Barton-upon-Humber

Wienerberger Ltd., Goxhill Factory - Barrow-upon-Humber

Roxton Building Services Ltd - Immingham

MK Building Services (Barton) Ltd - Barton-upon-Humber

Harrier Engineering Limited - Scunthorpe

Boston Energy - Hessle

Frugal Consultancy & Design Ltd. - Hull

Kenworth Engineering - Grimsby

Gissing Engineering - Market Rasen

Griffin Toomes Consulting Engineers - Hull