Frogmech Ltd - Selby

LP Fabrication - Hull

East Riding Fabrications - Hull

WW2 Fabrications - Beverley

UK Steel Structures - Louth

Design & Development Fabrications - Chesterfield

Shields (Driffield) Ltd - Driffield

Wilmot N S Sheet Metal Fabrications Ltd - Driffield

Fabric8 Steel Ltd - Beverley

AK Sheet Metal Fabrications Ltd - Hessle