BURBANK, Calif.--(BUSINESS WIRE)--PSI Services LLC (“PSI” or the Company), a worldwide, industry-leading professional testing services provider to corporations, Federal and State government agencies, professional associations and certifying bodies, today announced that it has entered into a partnership with Waud Capital Partners (“WCP” or Waud Capital), a leading middle-market private equity firm. PSI provides various solutions through its multiple business channels including talent assessments