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