Major U.S. law firms looking to muscle up their national networks are eyeing Chicago for expansion, attracted by the city’s corporate clientele and seasoned pool of attorneys.

Paul, Hastings, Janofsky & Walker and Reed Smith are among those firms looking to open a Chicago office, while Dykema Gossett; Drinker Biddle & Reath; Morgan, Lewis & Bockius; and LeBoeuf, Lamb, Greene & MacRae want to double the size of their offices in the Windy City.