Consoliated Edison, Inc. NYSE: ED is one of the largest investor-owned energy companies in the United States. The company provides a wide range of energy-related products and services to its customers through the following subsidiaries: Consolidated Edison Company of New York, Inc., a regulated utility providing electric, gas, and steam service in New York City and Westchester County, New York; Orange and Rockland Utilities, Inc., a regulated utility serving customers in a 1,350-square-mile (3,500 km²) area in southeastern New York and adjacent sections of northern New Jersey and northeastern Pennsylvania; Con Edison Solutions, a retail energy supply and services company; Con Edison Energy, a wholesale energy supply company; and Con Edison Development, a company that owns and operates generating plants and participates in other infrastructure projects.