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NAICS codes / NAICS 621511

Medical Laboratories: $460M in federal contracts in FY2025

The federal government obligated $460M under NAICS 621511 in FY2025, the 130th most of any code. Here is who bought it and how much of it was reserved for small business, then what GovSmith does with the code for a client.

Sector 62: Health Care and Social Assistance / Industry group 6215: Medical and Diagnostic Laboratories

Who buys under 621511

The five agencies that obligated the most under this code in FY2025. The top one alone put $279M into it.

The agencies obligating the most under NAICS 621511, FY2025
AgencyFY2025
$279M
$127M
$34.5M
$12.5M
Agency for International Development
$9.5M

Source: USAspending.gov, FY2025 contract obligations by awarding agency under the code, read 2026-11-05.

Who counts as small under 621511

SBA sets a size standard for every NAICS code: the largest a company can be and still count as small under that code.

The standard for this code is in SBA’s table at sba.gov, in receipts or in employees depending on the industry. GovSmith checks your company against it before it pursues any set-aside under this code.

The codes next to it

The other industries in group 6215, Medical and Diagnostic Laboratories. Buyers often file similar work under a neighbor.

What GovSmith does with this

GovSmith finds the opportunities under 621511 for you

Every solicitation, sources-sought notice, forecast row and recompete signal that carries NAICS 621511 lands in GovSmith's Search the night it posts, with the agency, the value and the set-aside on it. GovSmith AI matches it to your profile, your vCM qualifies it, and you see the shortlist. If this code is yours, the money above is your market.