The Olympic Delivery Authority has outlined the areas to be covered the "delivery partner" that will project manage the construction of the Games' infrastructure.
The authority said more than 60 companies had expressed interest in becoming the delivery partner, including the "biggest global names in construction".
The partner will work with the ODA to deliver the infrastructure within the Olympic Park and to provide a permanent legacy for the capital after the Games are over.
There is a heavyweight list as we move to the next stage
David Higgins, chief executive, ODA
The authority issued further details to all interested parties. David Higgins, the chief executive, said: "There is a heavyweight list as we move forward to the next stage of the process. The document identifies at least 27 areas the delivery partner will have to manage."
The teams will be tied into the project for the whole of the project, moving to the authority's headquarters in Canary Wharf.
To participate, companies need to register formally by 25 April.