Unitil Corporation is a public utility holding company that distributes electricity and natural gas. It operates through two segments: Utility Electric Operations and Utility Gas Operations. The company distributes electricity in southeastern seacoast and state capital regions of New Hampshire and the greater Fitchburg area of north central Massachusetts, and distributes natural gas in southeastern New Hampshire, portions of southern and central Maine, and the greater Fitchburg area. It also operates 85 miles of interstate underground natural gas transmission pipeline, primarily in Maine and New Hampshire, and provides real estate management services. Unitil serves approximately 110,100 electric customers and 105,000 natural gas customers, was incorporated in 1984, and is headquartered in Hampton, New Hampshire.