National Grid PLC
The National Grid (NG) is a British international gas and electricity company, operating in the UK and the northeastern US. The company’s business units are: UK Electricity Transmission, UK Gas Distribution, UK Gas Transmission, and US Regulated. National Grid was founded in 1990 in London.The company is listed on the London Stock Exchange (LSE). Its shares are also traded on the New York Stock Exchange (NYSE, secondary listing).National Grid is the FTSE 100 index constituent. Their head office is based in Warwick, United Kingdom.