Utility holding company Consolidated Edison (Con Edison) is the night light for the city that never sleeps. Con Edison's main subsidiary, Consolidated Edison Company of New York, distributes electricity to 3.4 million residential and business customers in New York City; it also delivers natural gas to about 1.1 million customers, and steam service in parts of Manhattan. Subsidiary Orange and Rockland Utilities serves more than 400,000 electric and gas customers in three Northeast states. Con Edison's nonutility operations include retail and wholesale energy marketing, independent power production, and infrastructure project development.