Unitil Corporation is an interstate electricity and natural gas utility company that provides services for New Hampshire, Massachusetts and Maine. Its earliest predecessor company, the Portland Gas Light Company, was founded in Maine in 1849. The current company was set up in 1984 and is based in New Hampshire. With a market cap of 686.51M, it provides electric services to about 102,400 customers and natural gas to over 75,900 customers. The service territory of Unitil includes business districts and recreational centers as well as commercial and industrial business, such as electronic component manufacturers and education institutes. The company has an enterprise value of $766.54 million. The non-utility business is operated through the company's subsidiary, U-source, which is a national energy brokering and consulting company. Wikipedia