1
Exhibit 21
SUBSIDIARIES OF THE REGISTRANT AS OF STATE OF ADDITIONAL NAMES UNDER WHICH SUCH
DECEMBER 31, 2000 INCORPORATION SUBSIDIARY DOES BUSINESS
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1 CARNEGIE INTERSTATE PIPELINE COMPANY Delaware
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2 CARNEGIE NATURAL GAS COMPANY Pennsylvania
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3 CARNEGIE NATURAL GAS SALES, INC. Delaware
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4 EQT CAPITAL CORPORATION Delaware
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5 EQUITABLE ENERGY, LLC Delaware Equitable Energy
Equitable Energy Enterprises
ERI Energy
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6 EQUITABLE GAS COMPANY Pennsylvania
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7 EQUITABLE HOMEWORKS, LLC Pennsylvania
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8 EQUITABLE PRODUCTION COMPANY Pennsylvania
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9 EQUITABLE PRODUCTION EASTERN STATES, INC. Delaware
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10 EQUITRANS, L.P. Pennsylvania
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11 EREC NEVADA, INC. Nevada
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12 ERI COSTA RICA LDC Cayman Islands
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13 ERI GLOBAL PARTNERS, INC. Delaware
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14 ERI GROUP LDC Cayman Islands
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15 ERI HOLDINGS Cayman Islands
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16 ERI HOLDINGS II Cayman Islands
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17 ERI INVESTMENTS, INC. Delaware
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18 ERI JAM, LLC Delaware
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19 ERI PROVIDENCE, L.L.C. Delaware
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20 ERI SERVICES (ST. LUCIA) LIMITED West Indies
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21 ERI SERVICES, INC. Delaware Equitable Resources Services, Inc.
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22 ERI-INDEPENDENT ENERGY GROUP-HONDURAS LDC Cayman Islands
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23 ET AVOCA COMPANY Delaware
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24 ET BLUE GRASS COMPANY Delaware
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25 IEC HUNTERDON, INC. Connecticut
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26 IEC MANAGEMENT SERVICES, INC. Connecticut
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27 IEC MONTCLAIR, INC. Connecticut
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28 IEC PLYMOUTH, INC. Connecticut
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29 INDEPENDENT ENERGY CORPORATION Connecticut
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30 INDEPENDENT ENERGY FINANCE CORPORATION Connecticut
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31 INDEPENDENT ENERGY OPERATIONS, INC. Connecticut
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32 KENTUCKY WEST VIRGINIA GAS COMPANY, L.L.C. Delaware
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33 NORESCO, LLC Delaware
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34 NORTHEAST ENERGY SERVICES, INC. Delaware Noresco
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35 THREE RIVERS PIPELINE CORPORATION Texas
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