Northern Technologies International Corporation develops and markets rust and corrosion inhibiting products and services in North America, South America, Europe, Asia, the Middle East and internationally. It offers rust and corrosion inhibiting products, such as plastic and paper packaging, liquids, coatings, rust removers, cleaners, diffusers, and engineered solutions designed for the oil and gas industry under the ZERUST brand. The company also provides a portfolio of bio-based and certified compostable polymer resin compounds and finished products under the Natur-Tec brand. In addition, it offers on-site and technical consulting for rust and corrosion prevention issues. The company sells its products and services to automotive, electronics, electrical, mechanical, military, retail consumer, and oil and gas markets through direct sales force, network of independent distributors and agents, manufacturer's sales representatives, strategic partners, and joint venture. Northern Technologies International Corporation was founded in 1970 and is headquartered in Circle Pines, Minnesota.