NALCO may refer to:
National Aluminium Company - India's Govt sector Aluminium manufacturer Nalco Holding Company - formerly known as Nalco Chemical Company Nalconagar, Angul - a town in Angul District, Orissa, India Ondeo Nalco - purchased by the Blackstone Group in 2003 North American Lamp Company - Manufacturers of carbon filament light bulbs until 1973. Nationalistic Communist - Political current in Eastern Europe in 1990s.