EX-21.1 7 exh_211.htm EXHIBIT 21.1 exh_211.htm
Exhibit 21.1


SUBSIDIARIES OF THE REGISTRANT
 

Name of Subsidiary
  
State or Other
Jurisdiction of
Incorporation or
Organization
  
Ownership
Interest
  
Names Under Which
Subsidiary Does
Business
             
NTI Facilities, Inc.
  
Ohio
  
100%
  
Same
             
Northern Technologies Holding Company, LLC
  
Delaware
  
100%
  
Same
             
Zerust Prevenção de Corrosão S.A.
  
Brazil
  
85%
  
Same