Bids must be in by May for the New Cramlington Hospital project and construction information specialist Glenigan said Farrans, BAM, Vinci and Lend Lease have already entered the race.
Construction is set to start on site in July.
A quartet of heavyweight contractors is battling it out to build a new £70m hospital for Northumbria Healthcare NHS Foundation Trust.
Bids must be in by May for the New Cramlington Hospital project and construction information specialist Glenigan said Farrans, BAM, Vinci and Lend Lease have already entered the race.
Construction is set to start on site in July.