NGC's an acronym that may refer to: New General Catalogue, a catalogue of deep sky objects in astronomy NGC Corporation, which became Dynegy Inc. NGC Magazine, an unofficial Nintendo magazine in the United Kingdom National Gallery of Canada, a Canadian art museum National Gas Company of Trinidad and Tobago National Grid plc, a former name of National Grid Electricity Transmission plc, the operator of the British electricity transmission system National Geographic Channel, an international… (More on Ngc)