EX-21 19 c83669exv21.txt LIST OF SUBSIDIARIES . . . Exhibit 21 SUBSIDIARIES OF NISOURCE AS OF DECEMBER 31, 2003
SEGMENT/SUBSIDIARY STATE OF INCORPORATION --------------------------------------------------------------------- ---------------------- GAS DISTRIBUTION OPERATIONS Bay State Gas Company Massachusetts Columbia Gas of Kentucky, Inc. Kentucky Columbia Gas of Maryland, Inc. Delaware Columbia Gas of Ohio, Inc. Ohio Columbia Gas of Pennsylvania, Inc. Pennsylvania Columbia Gas of Virginia, Inc. Virginia Kokomo Gas and Fuel Company Indiana Northern Indiana Fuel and Light Company, Inc. Indiana Northern Utilities, Inc. New Hampshire Columbia Service Partners, Inc. Delaware Northern Indiana Public Service Company* Indiana ELECTRIC OPERATIONS Northern Indiana Public Service Company* Indiana GAS TRANSMISSION AND STORAGE OPERATIONS Columbia Gas Transmission Corporation Delaware Columbia Gulf Transmission Company Delaware Crossroads Pipeline Company Indiana
SEGMENT/SUBSIDIARY STATE OF INCORPORATION --------------------------------------------------------------------- ---------------------- Granite State Gas Transmission, Inc. New Hampshire OTHER OPERATIONS NI Energy Services, Inc. Indiana NiSource Energy Technologies, Inc. Indiana NiSource Development Company, Inc. Indiana Columbia Energy Services Corporation Kentucky EnergyUSA, Inc. Indiana NiSource Retail Services, Inc. Delaware NI Fuel Company, Inc. Indiana EnergyUSA-TPC Corp. Indiana PEI Holdings, Inc. Indiana DISCONTINUED OPERATIONS IWC Resources Corporation Indiana CORPORATE Columbia Energy Group Delaware NiSource Capital Trust I Delaware NiSource Finance Corp. Indiana NiSource Capital Markets, Inc. Indiana NiSource Corporate Services Company Delaware NiSource Insurance Corporation, Limited Bermuda * Reported under Gas Distribution Operations and Electric Operations.
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