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EXHIBIT 21
SUBSIDIARIES OF THE COMPANY
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NAME STATE OR COUNTRY OF INCORPORATION
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<S> <C>
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
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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.
