Unitil Corporation (Unitil) is a public utility holding company. The Company is engaged in the local distribution of electricity and natural gas to customers throughout its service territories in the states of New Hampshire, Massachusetts and Maine. It operates through three segments: utility gas operations, utility electric operations and non-regulated. The Company is a parent company of three distribution utilities: Unitil Energy Systems, Inc. (Unitil Energy), which provides electric service in the southeastern seacoast and state capital regions of New Hampshire, including the capital city of Concord; Fitchburg Gas and Electric Light Company (Fitchburg), which provides both electric and natural gas service in the greater Fitchburg area of north central Massachusetts, and Northern Utilities, Inc. (Northern Utilities), which provides natural gas service in southeastern New Hampshire and portions of southern and central Maine, including the city of Portland, in northern New England.