Northern Technologies International Corp (NASDAQ: NTIC) is a specialty chemistry company that develops and sells corrosion prevention and bio-based plastics products. Revenue comes from direct product sales under the ZERUST and Natur-Tec brands, as well as from a network of joint ventures that sell corrosion inhibiting packaging and solutions globally. NTIC's ZERUST products use proprietary vapor-phase chemistry to protect metal components from rust and corrosion during shipment and storage, replacing oil and grease-based processes. The Natur-Tec segment produces bio-based and compostable biopolymer resin compounds and finished products, including bags, foodservice items, and coated paper, marketed through regional and national distributors in North America. NTIC trades on the Nasdaq Global Market under the symbol NTIC and is headquartered in the United States. G. Patrick Lynch serves as President and CEO. The company pays a quarterly cash dividend, reduced to $0.01 per share effective with the fiscal 2025 third quarter. Inter Alia Holding Company, partially owned by CEO Lynch, held approximately 12.7% of outstanding common stock as of November 20, 2025.

Revenue model

Product sales of ZERUST corrosion inhibiting packaging and Natur-Tec bioplastic resin compounds and finished goods, sold direct and through distributors and independent agents; joint venture income from international corrosion prevention operations.

Products and services

ZERUST vapor-phase corrosion inhibiting packaging (plastics, papers, emitters, liquids); Natur-Tec bio-based and compostable biopolymer resin compounds for blown-film extrusion, coatings, injection molding, thermoforming, and engineered plastics; Natur-Tec finished products including can liners, shopping bags, lawn and leaf bags, compostable drinking straws, food-handling gloves, cutlery, and coated paper products.

Customers and end markets

Metal parts manufacturers and industrial shippers requiring corrosion protection during storage and transit; oil and gas customers with operations in the southern United States; foodservice distributors; retail and grocery channels for bioplastic bags and packaging. During fiscal 2025 fourth quarter, NTIC entered a preferred supplier agreement with a national specialized foodservice and industrial distributor for Natur-Tec products.

Value-chain role

Specialty chemical formulator and manufacturer; sells finished packaged products and resin compounds; distributes through regional and national distributors, independent agents, and joint venture partners.

Geographic exposure

North America primary market for Natur-Tec products; international sales through joint ventures for ZERUST corrosion prevention. NTIC China operations focused on local production and consumption, with limited tariff exposure to United States-imposed tariffs as of fiscal 2025.

Source: SEC 10-K, filed 2025-11-20

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