Long Beach is a large city located in southern California, USA, on the Pacific coast. It is situated in Los Angeles County, about 20 miles (32 km) south of downtown Los Angeles. Long Beach borders Orange County on its southeast edge. Long Beach is the 36th-largest city in the nation and the sixth-largest in California. As of January 1, 2009, its estimated population was 492,682. In addition, Long Beach is the 2nd largest city within the Los Angeles metropolitan area. The city completely surrounds the city of Signal Hill. The Port of Long Beach is one of the world's largest shipping ports. The city also has a large oil industry; oil is found both underground and offshore. Manufacturers include aircraft, automobile parts, electronic and audiovisual equipment, and home furnishings. It is also home to headquarters for corporations such as Epson America, Molina Healthcare, and SCAN Health Plan. Long Beach has grown with the development of high-technology and aerospace industries in the area.