EX-21 3 ex21.htm LIST OF SUBSIDIARIES OF REGISTRANT AT 12/31/06 List of subsidiaries of Registrant at 12/31/06




EXHIBIT 21
Subsidiaries of the Registrant






The Exploration Company of Delaware, Inc.



Name of Subsidiary
State of Organization
   
TXCO Energy Corp.
Texas
PPL Operating, Inc.
Texas
Maverick Gas Marketing, Ltd.
Texas
Maverick Dimmit Pipeline, Ltd.
Texas
Eagle Pass Well Service, L.L.C.
Texas
TXCO Drilling Corp.
Texas