Extensive redevelopment has occurred in the metropolitan area, with a significant shift away from heavy industry and an emphasis on biomedical and applied technology enterprises. Some of the largest corporations in the United States are based in Pittsburgh, making the city one of the nation's major corporate headquarters. Research is the area's third largest industry with more than 150 laboratories and more than 7,500 scientists and engineers based here. The University of Pittsburgh is the city's largest employer. World-renowned performers regularly appear on the city's stages, including those under the aegis of the Pittsburgh Chamber Music Society and the Pittsburgh Jazz Festival.
Film buffs have no trouble finding a movie to suit their tastes.
Museum lovers will not be disappointed by The Carnegie, with its outstanding art collection and museum of natural history, and the Senator John Heinz Pittsburgh Regional History Center. Pittsburgh is also a major sports town. The area also offers more than 90 public and semiprivate golf courses. Despite its cosmopolitan ambiance, Pittsburgh maintains its neighborhood flavor and friendliness and today offers one of the cleanest, safest, and most attractive urban settings in the nation.