Contact Information:
Northern Technologies International Corporation
23205 Mercantile Road
Beachwood, OH 44122
Ph: (216) 450-5700
Fax: (216) 450-5701
E-mail: info@zerust-oilgas.com
Corporate Office
Northern Technologies International Corporation
P.O. Box 69
4201 Woodland Road
Circle Pines, MN 55014
Phone: (763) 225-6600