EXHIBIT 21-1



                PENNSYLVANIA ENTERPRISES, INC. AND SUBSIDIARIES



                        Subsidiaries of the Registrant



    The following are subsidiaries of  the  Registrant.  Their voting securities
are owned 100% by the Registrant.    All of the subsidiaries are incorporated in
Pennsylvania.


                 PG Energy Inc.

                 Pennsylvania Energy Resources, Inc.

                 Theta Land Corporation

                 Pennsylvania Energy Marketing Company

                 Penn Gas Development Co.*

                 Keystone Pipeline Services, Inc.**


*  A subsidiary of PG Energy Inc.  accounted  for on the equity method which has
   not been consolidated since it is insignificant.

** A subsidiary of Pennsylvania Energy  Resources, Inc. ("PERI") included in the
   consolidation of PERI into the Registrant.