Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Industrial production (based on the 2008 International Recommendations for Industrial Statistics)

• 1 - Industrial production
• 31-33 - Manufacturing
• 339 - Miscellaneous manufacturing

3391 - Medical equipment and supplies manufacturing

This industry group comprises establishments primarily engaged in manufacturing medical equipment and supplies. Establishments primarily engaged in grinding eyeglasses and hard contact lenses to prescription, on a factory basis, are included.