The successful consortium, to be selected next month, will be required to produce varied 3D masterplans for the Lower Lea Valley to accommodate both a successful and an unsuccessful Olympic bid.
Speaking about the shortlist, mayor Ken Livingstone said: "I'm extremely impressed by the calibre of the consortiums. Some of the most experienced practices in the world have demonstrated enormous enthusiasm for this crucial aspect of London's Olympic bid."
Masterplanning will begin in August and be completed in time for the International Olympic Committee questionnaire in January.
The LDA has developed a 15-year regeneration programme for the Lower Lea Valley. It has emphasised that any Olympic scheme will be co-ordinated with future local developments.
LDA chief executive Michael Ward said: "These candidates were chosen because of their outstanding credentials, particularly in major regeneration projects.
"We are looking forward to seeing their plans for transforming the Lower Lea Valley – with or without the Olympics."
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