NGC

NGC may refer to:

==Companies== NGC Corporation, the name of US electric company Dynegy, Inc. from 1995 to 1998 National Gas Company of Trinidad and Tobago, a state-owned natural gas company in Trinidad and Tobago National Grid plc, a former name of National Grid Electricity Transmission plc, the operator of the British electricity transmission system Northrop Grumman Corporation, an aerospace and defense conglomerate formed from the merger of Northrop Corporation and Grumman Corporation in 1994 Numismatic Guaranty Company, a coin certification company in the United States National Garden Clubs, headquartered in St. Louis, Missouri Network General Corporation, a defunct networking hardware company