Mainstream First Class Limousine Service, doing business as Norman Lewis Limousine Service, provides limousine service throughout Los Angeles and Southern California. Established in 1985, the company operates from a fleet of more than 50 vehicles, including Lincoln Towncars and Krystal Koach stretch limousines, as well as Chrysler Stretch 300Ms and Mercedes Benz S-Class sedans. The company also offers a wide spectrum of corporate and exotic vehicles, from Lincoln Towncars sedans, 8-10 passenger Lincoln Towncar stretch limousines, 15-passenger luxury vans, 22-passenger H2 Hummers and Ford Excursions, 22-passenger luxury limousine buses and a 28-passenger Krystal Koach Yacht Masters Luxury Limousine Coach. Its services are ideal for sporting events, city tours, birthdays, weddings, graduatins, awards programs and dinners. Mainstream has corporate headquarters in Inglewood, Calif., and operates seven additional offices throughout Southern California.