Research In Motion Ltd. said the BlackBerry 10, the new smartphone lineup intended to revive its fortunes, is about to begin testing at more than 120 companies, including 64 members of the Fortune 500.

So-called beta testing of the new BlackBerry 10 touch-screen model and related enterprise software started yesterday, said Richard Piasentin, managing director of RIM’s US business.

RIM is picking up the costs of the trials.