EX-21 4 usecology_10k-ex21.htm LIST OF SUBSIDIARIES usecology_10k-ex21.htm
Exhibit 21

List of Subsidiaries
 
Subsidiary Name
  
State of Formation
American Ecology Environmental Services Corporation
  
Texas Corporation
American Ecology Recycle Center, Inc.
  
Delaware Corporation
US Ecology Illinios, Inc.
  
California Corporation
US Ecology Idaho, Inc.
  
Delaware Corporation
US Ecology Nevada, Inc.
  
Delaware Corporation
US Ecology Washington, Inc.
  
Delaware Corporation
US Ecology Texas, Inc.
  
Delaware Corporation
US Ecology Field Services, Inc.
  
Delaware Corporation