Company Description
Northern Technologies International Corporation, together with its subsidiaries, develops and markets rust and corrosion inhibiting products in China, Brazil, India, the United States, and internationally.
It operates through ZERUST and Natur-Tec segments. The company 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.
It also provides a portfolio of bio-based and certified compostable polymer resin compounds under the Natur-Tec brand; and finished products, such as trash bags, agricultural films, and single-use disposable products under the Natur-Bag brand.
In addition, the company offers on-site and technical consulting for rust and corrosion prevention issues.
It sells its products and services to the automotive, general industrial, mechanical, mining, agricultural, retail consumer, and oil and gas markets through direct sales force, network of independent distributors and agents, manufacturer’s sales representatives, joint ventures, and strategic partners.
Northern Technologies International Corporation was incorporated in 1970 and is headquartered in Circle Pines, Minnesota.
| Country | United States |
| Founded | 1970 |
| Industry | Specialty Chemicals |
| Sector | Materials |
| Employees | 272 |
| CEO | G. Lynch |
Contact Details
Address: 4201 Woodland Road, P.O. Box 69 Circle Pines, Minnesota 55014 United States | |
| Phone | 763 225 6600 |
| Website | ntic.com |
Stock Details
| Ticker Symbol | NTIC |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | September - August |
| Reporting Currency | USD |
| CIK Code | 0000875582 |
| CUSIP Number | 665809109 |
| ISIN Number | US6658091094 |
| Employer ID | 41-0857886 |
| SIC Code | 3470 |
Key Executives
| Name | Position |
|---|---|
| G. Patrick Lynch | President, Chief Executive Officer and Director |
| Matthew C. Wolsfeld C.P.A. | Chief Financial Officer and Corporate Secretary |
| Vineet R. Dalal | Vice President of Natur-Tec |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Dec 19, 2025 | 8-K | Current Report |
| Dec 1, 2025 | ARS | Filing |
| Dec 1, 2025 | DEF 14A | Other definitive proxy statements |
| Dec 1, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Nov 20, 2025 | 10-K | Annual Report |
| Nov 18, 2025 | 8-K | Current Report |
| Nov 13, 2025 | SCHEDULE 13G/A | Filing |
| Jul 29, 2025 | SCHEDULE 13G/A | Filing |
| Jul 11, 2025 | 10-Q | Quarterly Report |
| Jul 11, 2025 | 8-K | Current Report |