Here is a list of web sites of major metropolitan innovation centers:

Built In Chicago http://www.builtinchicago.org/

Made in DC http://www.proudlymadeindc.com/

Global Cardiovascular Innovation Center http://gcicincubator.org/

Cambridge Innovation Center  http://cic.us/

Boston’s Innovation District http://www.innovationdistrict.org/

Applied Sciences NYC http://www.nycedc.com/project/applied-sciences-nyc

Startup Tennessee http://www.startuptn.com/

MaRs Innovation (technology in Toronto)  http://marsinnovation.com/

For descriptions of particular innovation districts and analysis of metropolitan innovation trends, see The Metropolitan Revolution written by Bruce Katz and Jennifer Bradley of the Brookings Metropolitan Policy Program at the Brookings Institution.