Headquartered in New Haven, Connecticut, UIL Holdings Corporation (NYSE:UIL) is a diversified energy delivery company serving more than 725,000 electric and natural gas utility customers in 67 communities across two states, with combined total assets of over $5 billion.
UIL is the parent company of The United Illuminating Company (UI), The Southern Connecticut Gas Company (SCG), Connecticut Natural Gas Corporation (CNG), and The Berkshire Gas Company, each more than 100 years old. UI provides for the transmission and delivery of electricity and other energy related services for Connecticut's Greater New Haven and Bridgeport areas. SCG and CNG are natural gas distribution companies that serve customers in Connecticut, while Berkshire Gas serves natural gas customers in western Massachusetts. UIL employs more than 1,900 people in the New England region.