Northern Technologies International Corporation (NTIC) specializes in providing environmentally beneficial products and services. They focus on corrosion prevention solutions, primarily through their Zerust® brand, which protects metal products from rust and corrosion. NTIC generates revenue by selling these products to various industries, including automotive, electronics, and oil and gas. Founded in 1970, the company has a history of innovation in materials science and has expanded its global footprint through strategic partnerships and joint ventures.