2022 NAICS national industry in sector 31-33 Manufacturing
325414 Biological Product (except Diagnostic) Manufacturing
NAICS 325414 is the US industry code for biological product (except diagnostic) manufacturing. This U.S.
- Code
- 325414 (2022 NAICS)
- Title
- Biological Product (except Diagnostic) Manufacturing
- Part of
- Pharmaceutical and Medicine Manufacturing
- SBA small business limit
- Up to 1,250 employees
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 vaccines, toxoids, blood fractions, and culture media of plant or animal origin (except diagnostic).
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing in-vitro diagnostic substances are classified in U.S. Industry 325413, In-Vitro Diagnostic Substance Manufacturing.
- Manufacturing pharmaceutical preparations (except biological and in-vitro diagnostic substances) are classified in U.S. Industry 325412, Pharmaceutical Preparation Manufacturing.
Activities listed under 325414
The Census index assigns these 22 activities to this code. If your business matches one, this is your code.
- Agar culture media manufacturing
- Aggressins (except in-vitro) manufacturing
- Allergenic extracts (except diagnostic substances) manufacturing
- Allergens manufacturing
- Antigens manufacturing
- Antiserums manufacturing
- Antitoxins manufacturing
- Antivenoms manufacturing
- Bacterial vaccines manufacturing
- Bacterins (i.e., bacterial vaccines) manufacturing
- Blood derivatives manufacturing
- Blood fractions manufacturing
- Cholera serums manufacturing
- Culture media manufacturing
- Gene therapy preparations manufacturing
- Hematology products (except diagnostic substances) manufacturing
- Plasmas manufacturing
- Serums (except diagnostic substances) manufacturing
- Toxoids (e.g., diphtheria, tetanus) manufacturing
- Tuberculin (i.e., tuberculo-protein derived) manufacturing
- Vaccines (i.e., bacterial, virus) manufacturing
- Virus vaccines manufacturing
SBA size standard for 325414
To count as a small business for SBA loans and federal contracts under NAICS 325414, your business (including affiliates) must not exceed 1,250 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.