2022 NAICS national industry in sector 31-33 Manufacturing
339112 Surgical and Medical Instrument Manufacturing
NAICS 339112 is the US industry code for surgical and medical instrument manufacturing. This U.S.
- Code
- 339112 (2022 NAICS)
- Title
- Surgical and Medical Instrument Manufacturing
- Part of
- Medical Equipment and Supplies Manufacturing
- SBA small business limit
- Up to 1,000 employees
- Closest UK SIC
- 32500 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing medical, surgical, ophthalmic, and veterinary instruments and apparatus (except electrotherapeutic, electromedical, and irradiation apparatus). Examples of products made by these establishments are syringes, hypodermic needles, anesthesia apparatus, blood transfusion equipment, catheters, surgical clamps, and medical thermometers.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing electromedical and electrotherapeutic apparatus are classified in U.S. Industry 334510, Electromedical and Electrotherapeutic Apparatus Manufacturing.
- Manufacturing irradiation apparatus are classified in U.S. Industry 334517, Irradiation Apparatus Manufacturing.
- Manufacturing surgical (except dental) and orthopedic appliances or specialized hospital furniture (e.g., hospital beds, operating tables) are classified in U.S. Industry 339113, Surgical Appliance and Supplies Manufacturing.
- Manufacturing dental equipment, dental supplies, dental laboratory apparatus, and dental laboratory furniture are classified in U.S. Industry 339114, Dental Equipment and Supplies Manufacturing.
- Manufacturing general purpose hospital, laboratory, and/or dental furniture (e.g., stools, tables, benches) are classified in U.S. Industry 337127, Institutional Furniture Manufacturing.
- Manufacturing thermometers (except medical) are classified in U.S. Industry 334519, Other Measuring and Controlling Device Manufacturing.
- Manufacturing ophthalmic goods are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing.
Activities listed under 339112
The Census index assigns these 46 activities to this code. If your business matches one, this is your code.
- Anesthesia apparatus manufacturing
- Blood pressure apparatus manufacturing
- Blood transfusion equipment manufacturing
- Bone drills manufacturing
- Bone plates and screws manufacturing
- Bone rongeurs manufacturing
- Bronchoscopes (except electromedical) manufacturing
- Cannulae manufacturing
- Catheters manufacturing
- Clamps, surgical, manufacturing
- Corneal microscopes manufacturing
- Cystoscopes (except electromedical) manufacturing
- Eye examining instruments and apparatus manufacturing
- Forceps, surgical, manufacturing
- Gastroscopes (except electromedical) manufacturing
- Hypodermic needles and syringes manufacturing
- Inhalation therapy equipment manufacturing
- Inhalators, surgical and medical, manufacturing
- Instruments, mechanical microsurgical, manufacturing
- IV apparatus manufacturing
- Knives, surgical, manufacturing
- Medical thermometers manufacturing
- Needles, hypodermic and suture, manufacturing
- Ophthalmic instruments and apparatus (except laser surgical) manufacturing
- Ophthalmometers and ophthalmoscopes manufacturing
- Optometers manufacturing
- Oxygen tents manufacturing
- Pelvimeters manufacturing
- Physiotherapy equipment (except electrotherapeutic) manufacturing
- Probes, surgical, manufacturing
- Retinoscopes (except electromedical) manufacturing
- Retractors, medical, manufacturing
- Saws, surgical, manufacturing
- Skin grafting equipment manufacturing
- Speculums manufacturing
- Sphygmomanometers manufacturing
- Stethoscopes manufacturing
- Suction therapy apparatus manufacturing
- Surgical clamps manufacturing
- Surgical knife blades and handles manufacturing
- Surgical stapling devices manufacturing
- Syringes, hypodermic, manufacturing
- Thermometers, medical, manufacturing
- Tonometers, medical, manufacturing
- Trocars manufacturing
- Veterinarians' instruments and apparatus manufacturing
SBA size standard for 339112
To count as a small business for SBA loans and federal contracts under NAICS 339112, your business (including affiliates) must not exceed 1,000 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 3250), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.