NAICS Code 325413: In-Vitro Diagnostic Substance Manufacturing
National industry
SBA small business size standard: 1,250 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing in-vitro (i.e., not taken internally) diagnostic substances, such as chemical, biological, or radioactive substances. The substances are used for diagnostic tests that are performed in test tubes, petri dishes, machines, and other diagnostic test-type devices.
Government contracts for this product: PSC 6550 In Vitro Diagnostic Substances, Reagents, Test Kits and Sets
Code facts
- Part of
-
-
31-33
-
325
-
3254
- 32541
-
3254
-
325
-
31-33
- Contract awards
- 990 In the last 12 months
- Contract obligations
- $175,464,471 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 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
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $15,057,124 |
| FY2026 | $165,900,412 |
| FY2025 | $175,464,471 |
| FY2024 | $150,442,619 |
| FY2023 | $1,954,570,224 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Cepheid | $34,569,687 | |
| 2 | Biomerieux Inc. | $29,939,529 | |
| 3 | Roche Diagnostics Corporation | $22,320,868 | |
| 4 | Quest Diagnostics Incorporated | $8,859,959 | |
| 5 | Hologic Sales And Service, LLC | $4,622,310 | |
| 6 | Fisher Scientific Company L.L.C. | $4,492,677 | |
| 7 | Abbott Laboratories Inc. | $4,462,958 | |
| 8 | Werfen USA LLC | $4,390,715 | |
| 9 | Beckman Coulter, Inc. | $4,093,582 | |
| 10 | Vmrd Inc. | $3,330,499 |
See the full FY2025 ranking of NAICS 325413 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $114,667,828 | |
| 2 | Defense Health Agency | $47,988,500 | |
| 3 | Department of Health and Human Services | $9,838,345 | |
| 4 | Department of Agriculture | $4,780,295 | |
| 5 | Department of the Navy | $1,427,068 | |
| 6 | Defense Logistics Agency | $1,119,338 | |
| 7 | Air Force | $913,410 | |
| 8 | Department of the Army | $872,002 | |
| 9 | Department of State | $447,787 | |
| 10 | Department of Justice | $155,183 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 6550 In Vitro Diagnostic Substances, Reagents, Test Kits and Sets | $127,067,578 | |
| 2 | 6640 Laboratory Equipment and Supplies | $19,753,384 | |
| 3 | Q301 Reference Laboratory Testing | $11,744,616 | |
| 4 | 6515 Medical and Surgical Instruments, Equipment, and Supplies | $11,691,767 | |
| 5 | 6505 Drugs and Biologicals | $5,120,252 | |
| 6 | 6630 Chemical Analysis Instruments | $3,408,512 | |
| 7 | 6650 Optical Instruments, Test Equipment, Components and Accessories | $690,625 | |
| 8 | W065 Lease or Rental of Equipment: Medical, Dental, and Veterinary Equipment and Supplies | $481,970 | |
| 9 | J066 Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment | $373,851 | |
| 10 | Q508 Hematology & Oncology | $292,316 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $31,611,524 | |
| 2 | Utah | $15,396,605 | |
| 3 | Texas | $13,181,566 | |
| 4 | Indiana | $9,171,310 | |
| 5 | Maryland | $6,776,536 | |
| 6 | New Jersey | $5,940,640 | |
| 7 | Georgia | $5,796,914 | |
| 8 | Washington | $5,360,033 | |
| 9 | Arizona | $5,315,090 | |
| 10 | Massachusetts | $4,736,339 | |
| 11 | Iowa | $3,942,221 | |
| 12 | Ohio | $3,569,885 | |
| 13 | Illinois | $2,967,811 | |
| 14 | North Carolina | $1,387,619 | |
| 15 | New York | $1,314,196 | |
| 16 | Pennsylvania | $1,281,346 | |
| 17 | Michigan | $1,187,353 | |
| 18 | Connecticut | $1,165,284 | |
| 19 | Minnesota | $875,070 | |
| 20 | Colorado | $819,065 | |
| 21 | South Carolina | $774,680 | |
| 22 | Missouri | $619,409 | |
| 23 | Kentucky | $591,333 | |
| 24 | Wisconsin | $553,148 | |
| 25 | Mississippi | $440,321 | |
| 26 | Florida | $422,391 | |
| 27 | Kansas | $350,196 | |
| 28 | Guam | $344,181 | |
| 29 | District of Columbia | $202,580 | |
| 30 | Oregon | $152,538 | |
| 31 | Nevada | $124,926 | |
| 32 | Nebraska | $111,161 | |
| 33 | Delaware | $106,954 | |
| 34 | North Dakota | $103,173 | |
| 35 | Alabama | $91,219 | |
| 36 | Hawaii | $85,934 | |
| 37 | Arkansas | $73,320 | |
| 38 | Puerto Rico | $62,258 | |
| 39 | Montana | $56,564 | |
| 40 | New Mexico | $42,977 | |
| 41 | Alaska | $36,148 | |
| 42 | Idaho | $33,790 | |
| 43 | Oklahoma | $9,681 | |
| 44 | Maine | $8,831 | |
| 45 | South Dakota | $7,504 |
Show all 45
Shares are of everything obligated under NAICS 325413 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 31 more
Latest 41 of 10,314 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 325413?
NAICS 325413 is In-Vitro Diagnostic Substance Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for HIV test kits manufacturing?
The NAICS code for HIV test kits manufacturing is 325413, In-Vitro Diagnostic Substance Manufacturing.
What is the NAICS code for pregnancy test kits manufacturing?
The NAICS code for pregnancy test kits manufacturing is 325413, In-Vitro Diagnostic Substance Manufacturing.
What is the NAICS code for blood glucose test kits manufacturing?
The NAICS code for blood glucose test kits manufacturing is 325413, In-Vitro Diagnostic Substance Manufacturing.
When did the size standard for NAICS 325413 last change?
The most recent Federal Register rule on record that names NAICS 325413 in the SBA's size standards is "Small Business Size Standards for Manufacturing" (81 FR 4469), published Jan 26, 2016 and effective Feb 26, 2016.
How much do federal agencies spend under NAICS 325413?
Federal contracts under NAICS 325413 obligated $175,464,471 in fiscal year 2025 and $2,461,434,849 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 325413?
The contractors with the most obligated under NAICS 325413 in fiscal years 2026 and 2027 are Cepheid ($34,569,687), Biomerieux Inc. ($29,939,529) and Roche Diagnostics Corporation ($22,320,868).
Which agencies buy the most under NAICS 325413?
The agencies that obligated the most under NAICS 325413 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($114,667,828), Defense Health Agency ($47,988,500) and Department of Health and Human Services ($9,838,345).
Which PSC codes are used with NAICS 325413?
The PSC codes with the most obligated under NAICS 325413 in fiscal years 2026 and 2027 are 6550 In Vitro Diagnostic Substances, Reagents, Test Kits and Sets; 6640 Laboratory Equipment and Supplies; and Q301 Reference Laboratory Testing.
Where is the work under NAICS 325413 performed?
By place of performance, the states with the most contract obligations under NAICS 325413 over the last 12 months are California ($31,611,524), Utah ($15,396,605) and Texas ($13,181,566).
What is the latest contract opportunity under NAICS 325413?
The latest contract opportunity under NAICS 325413 is 6550--Micro Reagents and Service Contract, award notice from Veterans Integrated Service Network 17 (VHA), posted November 6, 2026.
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