NAICS 325413: In-Vitro Diagnostic Substance Manufacturing
In-Vitro Diagnostic Substance Manufacturing is NAICS code 325413. A business is small under it with 1,250 employees or fewer. 7 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- 1,250 employees or fewer
- Open contracts now
- 7
- Federal spending, FY2026
- $177.3 million
- Share won by small businesses
- 13%
- Small businesses registered
- 333
Open federal contracts for in-vitro diagnostic substance manufacturing
- QuidelOrtho Reagents and Supplies Standing Order – FY 2027
Due in 1 dayOct 5, 2026
- Sebia Reagent and Supplies
Due in 4 daysOct 8, 2026
- Intent to Sole Source Drugs of Abuse Reagents Supplies
Due in 8 daysOct 12, 2026
- 761-27-1-014-0001 -Chelmsford CMOP MED/SURGE -(VA-27-00005024)
Due in 8 daysOct 13, 2026
- Defense Logistics Agency - Troop Support – Europe & Africa Indefinite Delivery/Indefinite Quantity (IDIQ) Contract for Laboratory Reagents, Test Kits, and Consumables
✦ DLA Troop Support Europe & Africa, with the U.S. Army Medical Materiel Center-Europe, is doing market research (a sources sought) for the recompete of its laboratory supplies…
Due in 26 daysOct 30, 2026
- Cepheid GeneXpert Testing Supplies
Due in 43 daysNov 16, 2026
What NAICS 325413 covers
The Census Bureau's NAICS index lists these kinds of work under 325413:
- Blood derivative in-vitro diagnostic substances manufacturing
- Blood glucose test kits manufacturing
- Coagulation in-vitro diagnostic substances manufacturing
- Cytology and histology in-vitro diagnostic substances manufacturing
- Diagnostic substances, in-vitro, manufacturing
- Enzyme and isoenzyme in-vitro diagnostic substances manufacturing
- Hematology in-vitro diagnostic substances manufacturing
- HIV test kits manufacturing
- Hormone in-vitro diagnostic substances manufacturing
- In-vitro diagnostic substances manufacturing
- Microbiology, virology, and serology in-vitro diagnostic substances manufacturing
- Pregnancy test kits manufacturing
- Viral in-vitro diagnostic test substances manufacturing
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 325413
To count as a small business for a contract assigned NAICS 325413, your business must have 1,250 employees or fewer. Employees are averaged over the last 24 months.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys in-vitro diagnostic substance manufacturing
Agencies that awarded the most under NAICS 325413 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of Veterans Affairs | $339.1 million |
| Department of the Army | $94.6 million |
| Defense Health Agency | $34.6 million |
| Indian Health Service | $17.3 million |
| Office of Assistant Secretary for Preparedness and Response | $15.3 million |
| Department of the Air Force | $9.2 million |
| National Institutes of Health | $7.9 million |
| Food and Drug Administration | $7.5 million |
Open notices right now come from Department of Veterans Affairs (6), Dept of Defense (2) and Department of Health and Human Services (1).
Set-asides on open 325413 contracts
- No set-aside (full and open): 9
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
333 businesses with active SAM.gov registrations are rated small under NAICS 325413, most of them in California (56), Texas (39), Florida (29), Maryland (16) and Massachusetts (14). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 325413 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $149.2 million |
| FY2025 | $170.3 million |
| FY2026 | $177.3 million |
| FY2027 (so far) | $42 million |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 325411 Medicinal and Botanical Manufacturing
- 325412 Pharmaceutical Preparation Manufacturing
- 325414 Biological Product (except Diagnostic) Manufacturing
Frequently asked questions
What is NAICS code 325413?
325413 is the 2022 NAICS code for In-Vitro Diagnostic Substance Manufacturing. The Census Bureau's index lists work such as blood derivative in-vitro diagnostic substances manufacturing, blood glucose test kits manufacturing, coagulation in-vitro diagnostic substances manufacturing under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 325413?
1,250 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for in-vitro diagnostic substance manufacturing?
Yes. 7 federal contract opportunities under NAICS 325413 are open on SAM.gov right now. Agencies obligated about $177.3 million under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 325413 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.