More than 100 architecture firms are now requesting more development of Revit as Autodesk admits it hasn't been investing in building out the platform in recent years.

Five design teams have been picked as finalists for the $8.5-billion revamp of Chicago's O'Hare International Airport. They are Fentress-EXP-Brook-Garza Joint Venture Partners; Foster Epstein Moreno JV Joint Venture Partners; Santiago Calatrava LLC; Skidmore, Owings, & Merrill (SOM); and Studio ORD Joint Venture Partners.