UIL Holdings Corp. is engaged in the purchase, transmission, distribution and sale of electricity for residential, commercial and industrial purposes. It operates through three segments: Electric Distribution, Electric Transmission and Gas Distribution. The Electric Distribution segment is engaged in delivering electricity through local lines. The Electric Transmission segment delivers electricity over high voltage lines to local distribution lines. The Gas Distribution segment engages in natural gas transportation, distribution and sales operations. The company was founded on March 22, 1999 and is headquartered in New Haven, CT.