<DOCUMENT>
<TYPE>EX-21.1
<SEQUENCE>4
<FILENAME>dex211.txt
<DESCRIPTION>SUBSIDIARIES OF THE COMPANY
<TEXT>
<PAGE>

                                                                    Exhibit 21.1


The following is a list of Avalon's subsidiaries except for unnamed subsidiaries
which considered in the aggregate as a single subsidiary, would not constitute a
significant subsidiary.

   Subsidiarv Name                                    State of Incorporation
----------------------------------------------------------------------------

.  American Landfill Management, Inc                         Ohio
.  American Waste Management Services, Inc.                  Ohio
.  Avalon Lakes Golf, Inc.                                   Ohio
     .  Avalon Travel, Inc.                                  Ohio
.  AWS Remediation, Inc.                                     Pennsylvania
.  DartAmericA, Inc.                                         Ohio
     .  Dart Trucking Company, Inc.                          Ohio
          - Dart Realty, Inc.                                Ohio
          - Dart Services, Inc.                              Ohio
     .  TRB National Systems, Inc.                           Ohio
.  Earth Sciences Consultants, Inc.                          Pennsylvania


Parent/subsidiary relationships are indicated by indentations. In each case,
100% of the voting securities of each of the subsidiaries is owned by the
indicated parent of such subsidiary.

</TEXT>
</DOCUMENT>