(Burbank), Countrywide Financial Corporation (Fortune 500, Calabasas), THQ (Calabasas), Belkin (Compton), Sony Pictures Entertainment (dueño de Columbia Pictures, ubicado en Culver City), Computer Sciences Corporation (Fortune 500, El Segundo), DirecTV (El Segundo), Mattel (Fortune 500, El Segundo), Unocal (Fortune 500, El Segundo), DreamWorks SKG (Universal City), Sea Launch (Long Beach), ICANN (Marina Del Rey), Cunard Line (Santa Clarita), Princess Cruises (Santa Clarita), Activision (Santa Mónica) y RAND (Santa Mónica).