EXHIBIT 21.1
DIRECT SUBSIDIARIES OF THE REGISTRANT
STATE/JURISDICTION OF NAME UNDER PERCENTAGE
NAME OF INCORPORATION/ WHICH BUSINESS INTEREST
SUBSIDIARY ORGANIZATION IS CONDUCTED OWNED
MGV Energy Inc. Canada MGV Energy Inc. 100
Mercury Michigan, Inc. Michigan Mercury Michigan, Inc. 100
Beaver Creek Pipeline, L.L.C. Michigan Beaver Creek Pipeline, L.L.C. 50*
Cinnabar Energy Services Michigan Cinnabar Energy Services 50*
& Trading, LLC & Trading, LLC
Terra Energy Ltd. Michigan Terra Energy Ltd. 100
GTG Pipeline Corporation Virginia GTG Pipeline Corporation 100
INDIRECT SUBSIDIARIES OF THE REGISTRANT
1. Direct Subsidiaries of Terra Energy Ltd.
STATE/JURISDICTION OF NAME UNDER PERCENTAGE
NAME OF INCORPORATION/ WHICH BUSINESS INTEREST
SUBSIDIARY ORGANIZATION IS CONDUCTED OWNED
Energy Acquisition Michigan Energy Acquisition 100
Operating Corporation Operating Corporation
Kristen Corporation Michigan Kristen Corporation 100
Terra Pipeline Company Michigan Terra Pipeline Company 100
2. Direct Subsidiaries of Mercury Michigan, Inc.
STATE/JURISDICTION OF NAME UNDER PERCENTAGE
NAME OF INCORPORATION/ WHICH BUSINESS INTEREST
SUBSIDIARY ORGANIZATION IS CONDUCTED OWNED
Beaver Creek Michigan Beaver Creek 50*
Pipeline, L.L.C. Pipeline, L.L.C.
Cinnabar Energy Michigan Cinnabar Energy 50*
Services & Trading, LLC Services & Trading, LLC
* 100% of this entity is owned by the Registrant, 50% directly and 50%
indirectly through Mercury Michigan, Inc.