Cordelia O'Hara

National Grid USA is engaged in generation, transmission, distribution and sale of both natural gas and electricity. Its services comprise the operation, maintenance, and design of energy systems for commercial and industrial customers. The company was founded in 1990 and is headquartered in Waltham, MA.

National Grid Electricity Distribution Plc engages in the provision of electric services. The company was founded on September 17, 2014, and is headquartered in London, the United Kingdom.

National Gas Transmission Plc engages in the natural gas transmission and distribution services. It operates through the Gas Transmission and Metering segments. The Gas Transmission segment includes network in Britain and liquefied natural gas storage activities. The Metering segment provides regulated gas metering activities in the UK, together with corporate activities. The company was founded on April 1, 1986 and is headquartered in Warwick, the United Kingdom.