A shortlist of contractors has been drawn up by the Highways Agency for its new-style collaborative delivery framework.The Agency invited tenders from shortlisted bidders on Monday 17 March which should be returned by late May. The HA is aiming to use the new framework for between £4 billion to £5bn of schemes over the next four to six years.It is designed to establish closer working ties with designers and Agency officials. Work will include projects like the A14 Cambridge to Huntingdon, managed motorways, motorway widening, junctions, bypass schemes, asset renewal works and pinch points.The framework award is expected to be made in the autumn.There are four lots in total. List of shortlisted suppliers:Lot 1 is for professional design and engineering services1) AECOM2) Amey OW3) Arup4) Atkins5) Capita Symonds - Design & Infrastructure/ Ramboll UK Ltd JV6) CH2M Hill7) Hyder Consulting (UK)8) Jacobs Engineering UK ltd9) Mott MacDonald Limited/Grontmij Limited JV10) Mouchel Ltd11) Pell Frischmann Consulting Engineers12) Royal HaskoningDHV13) RPS Group Ltd14) URS Infrastructure and Environment (UK)15)Waterman Transport & development Ltd/ Tony Gee & Partners LLP/ WYG Engineering limited JV (part of W2G Highways consortium)16) WSP Civils Limited/Parsons Brinkerhoff JV Lot 2 is for medium value construction works with scheme values of between 0 to £25m which may be extended up to £50m1) EM Highway Services2) VolkerFitzpatrick3) McLaughlin and Harvey4) John Graham Construction5) Interserve Construction6) Amey LG7) Alun Griffiths (Contractors)8) Geoffrey Osborne9) Galliford Try Infrastructure Lot 3a is for high value construction works with scheme values from £25m up to an initial value of £100m which may be extended up to £300m1) Galliford Try Infrastructure2) BAM Nuttall / Morgan Sindall JV3) HOCHTIEF (UK) Construction4) John Sisk & Son Ltd / Lagan Construction JV5) Kier Construction6) VINCI Construction UK Ltd (trading as Taylor Woodrow)/Vinci Construction Grands Projets JV7) Laing O'Rourke Construction8) Amey LG9) Carillion Construction10) Costain11) Skanska Construction UK Lot 3b is for high value construction works with scheme values of between £100m and £450m.1) Balfour Beatty Civil Engineering2) BAM Nuttall / Morgan Sindall JV3) Bouygues TP4) Carillion Construction5) Costain6) Skanska Construction UK7) Laing O'Rourke Construction