Seddon Construction Limited, Walter Carefoot & Sons (Construction) Ltd., EFT Construction Ltd, Senate Mech Ltd, Whitfield & Brown (Developments) Ltd, Aptus Construction Ltd, FRANK ROGERS (BUILDING CONTRACTOR) LIMITED, Esh Construction Limited, ASHFIELD PROJECTS (YORKSHIRE) LTD, GRAHAM, Galliford Try Construction Limited, Compass Developments (NE) Ltd, CBES, GMI CONSTRUCTION GROUP PLC, RHODAR INDUSTRIAL SERVICES LIMITED, A.BUCKLER HAULAGE LIMITED, MBC Building Contractors, GLC PROJECTS LTD, DSM (

Government contractor and tender participant