Alexandra Morton Lewis

National Grid (US) Holdings Ltd. provides business support services. The company was founded on July 18, 1991 and is headquartered in London, the United Kingdom.

National Grid Holdings One Plc provides electricity and gas distribution services. The company is headquartered in London, the United Kingdom.

National Grid Holdings Ltd. owns and operates a high-voltage electricity transmission network services. The company is headquartered in London, the United Kingdom.

National Grid Electricity Transmission Plc engages in the business of ownership and operation of regulated electricity transmission networks in Great Britain. The company was founded on April 1, 1989 and is headquartered in London, the United Kingdom.

National Grid Gas Holdings Ltd. operates as an investment holding company. The company is headquartered in London, the United Kingdom.

Part of National Grid Plc, National Grid UK Pension Services Ltd. provides pension scheme services. The private company is based in London, UK and was founded in 1998.

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.