Aqua America Inc which prior to its name change in 2004 was known as Philadelphia Suburban Corporation, was formed in 1968 as a holding company for its primary subsidiary, Aqua Pennsylvania, formerly known as Philadelphia Suburban Water Company. The Company regulated utilities providing water or wastewater services concentrated in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, and Virginia. Its operating subsidiary is Aqua Pennsylvania, Inc. ("Aqua Pennsylvania"), which accounted for approximately 54% of its operating revenues and a larger percentage of its net income for 2013, and as of December 31, 2013, provided water or wastewater services to approximately one-half of the total number of people it serves, and is located in the suburban areas in counties north and west of the City of Philadelphia and in 26 other counties in Pennsylvania. The Company's other regulated utility subsidiaries provide similar services in seven other states. In addition, the Company's non-regulated subsidiary, Aqua Resources, provides liquid waste hauling and disposal, water and wastewater services through operating and maintenance contracts with municipal authorities and other parties in close proximity to the utility companies' service territories, offers, through a third party, water and sewer line repair service and protection solutions to households, backflow prevention, construction, and other non-regulated water and wastewater services, and the Company's non-regulated subsidiary, Aqua Infrastructure, provides non-utility raw water supply services for firms, with which it enters into a water supply contract, in the natural gas drilling industry.