The line-up for the Ministry of Justice projects in Chelmsford and Colchester is Sir Robert McAlpine, Shepherd, BAM Construction, Galliford Try, Kier and probably RG Carter.
The Chelmsford deal includes building five magistrates courts plus a crown court.
In Colchester, the scope of work includes a court house accommodating five magistrates courts.
Contractors have until 20 August to work up bids, with the contracts expected to be awarded towards the end of this year.
