The Herberger Theater Center has two stages shared by three resident companies: Arizona Theatre Company (602-256-6995; www.aztheatreco.org), the state’s leading ensemble; the Actors Theatre (602-252-8497; www.atphx.org) for more experimental, fringe productions; and the Center Dance Ensemble (602-252-8497; www.centerdance.com), which specializes in modern dance.