EX-21.1 3 tgn-20181231xex211.htm EXHIBIT 21.1 Exhibit
Exhibit 21.1

LIST OF SUBSIDIARIES 
TECOGEN INC.
a Delaware Corporation
 
 
 
Subsidiaries
 
Jurisdiction
 
 
 
TTcogen LLC
 
Delaware
American DG Energy Inc.
 
Delaware
American DG New York, LLC
 
Delaware