NAICS Code 334517 — Irradiation Apparatus Manufacturing
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 9 national industries under 33451 (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing).
| Code | 334517 |
|---|---|
| Title | Irradiation Apparatus Manufacturing |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 1,200 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in manufacturing irradiation apparatus and tubes for applications, such as medical diagnostic, medical therapeutic, industrial, research, and scientific evaluation. Irradiation can take the form of beta-rays, gamma-rays, X-rays, or other ionizing radiation.
Is a business under 334517 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 334517 qualifies as a small business if it does not exceed 1,200 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 334517 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 334 | Computer and Electronic Product Manufacturing |
| Industry Group | 3345 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing |
| NAICS Industry | 33451 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing |
| National Industry | 334517 | Irradiation Apparatus Manufacturing |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3844 | X-Ray Apparatus and Tubes and Related Irradiation Apparatus |
3845 | Electromedical and Electrotherapeutic Apparatus |
Related National Industry codes
334510— Electromedical and Electrotherapeutic Apparatus Manufacturing334511— Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334512— Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use334513— Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334514— Totalizing Fluid Meter and Counting Device Manufacturing334515— Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334516— Analytical Laboratory Instrument Manufacturing334519— Other Measuring and Controlling Device Manufacturing
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.