EX-21 7 ex-21.txt EXHIBIT 21 EXHIBIT 21 SUBSIDIARIES OF THE COMPANY
NAME STATE OR COUNTRY OF INCORPORATION ------------------------------- --------------------------------- Atlantic Gas Corporation Delaware Energia Estrella del Sur, S. A. de C. V. Mexico KellAir Aviation Company Delaware KellA NC Aviation Company North Carolina KeystDelawareline Services, Inc. Delaware Lavaca Realty Company Delaware Mercado Gas Services Inc. Delaware Norteno Pipeline Company Delaware PEI Power Corporation Pennsylvania PG Energy Services, Inc. Pennsylvanias Southern Transmission Company Delaware Southern Union Energy International, Inc. Delaware Southern Union Financing I Delaware Southern Union International Investments, Inc. Delaware Southern Union Total Energy Systems, Inc. Delaware SUPro Energy Company Delaware Sygent, Inc. Delaware
-------------------- Note: Fifteen other wholly-owned subsidiaries of Southern Union Company, ConTigo, Inc. (a Delaware corporation), Energy WorX, Inc. (a Delaware corporation), GUS Acquisition Corporation (a Rhode Island corporation), Honesdale Gas Company (a Pennsylvania corporation), PG Energy, Inc. (a Pennsylvania corporation), Penn Gas Development Company (a Pennsylvania corporation), Pennsylvania Energy Resources, Inc. (a Pennsylvania corporation), Southern Union Financing II (a Delaware business trust), Southern Union Financing III (a Delaware business trust), Southern Union Gas Company, Inc. (a Delaware corporation), Southern Union Gas Company, Inc. (a Texas corporation), SU Acquisition Corporation (a California corporation), SUG Acquisition Corporation (a Rhode Island corporation), Western Utilities, Inc. (a Delaware corporation) and Western Utilities, Inc. (a New Mexico corporation), conduct no business except to the extent necessary to maintain their corporate existence.