EX-21.1 4 exh_211.htm EXHIBIT 21.1
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 ASEAN LLC |  | Delaware |  | 60% |  | Same
Northern Technologies Holding Company, LLC |  | Delaware |  | 100% |  | Same
Natur-Tec India Private Limited |  | India |  | 90% |  | Same
Zerust Prevenção de Corrosão S.A. |  | Brazil |  | 85% |  | Same