EX-21.1 6 d377638dex211.htm EX-21.1 EX-21.1

Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

 

Name

   

State of Incorporation

or Organization

Amber Resources Company of Colorado

    Delaware

Delta Exploration Company, Inc.

    Colorado

CEC, Inc.

    Delaware

Castle Exploration Company, Inc.

    Pennsylvania

DPCA, LLC

    Delaware

DLC, Inc.

    Colorado

C&L Drilling Co.

    Colorado

CRB Partners, LLC

    Delaware

Delta Pipeline, LLC

    Colorado