PSC H389: Inspection – Subsistence

H389 is the product and service code (PSC) federal agencies use for “Inspection – Subsistence”, in the “Inspection Services” group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.

Open contracts now
1
Federal contract spending, FY2025
$88,411
Share of contract dollars to small businesses, since FY2024
58%

Open count as of Oct 28, 2026, 5:43 PM ET. The search counts live, so its total can differ by a notice or two.

Open PSC H389 contracts with 2+ days to respond

  • AMS Designated Laboratory Meat Testing Services (ADL)

    Department of Agriculture · Agricultural Marketing Service

    ✦ The U.S. Department of Agriculture's Agricultural Marketing Service (AMS) wants accredited labs to test meat samples for germs and fat for its food-purchase programs.

    Engineering, architecture & research

    Due in 23 daysNov 20, 2026, 4:30 PM ESTThe AI summary flags this date. Check SAM.gov.

Where H389 sits in the PSC Manual

  • Category: Service
  • Group H: Quality Control, Test, Inspection
  • Group H3: Inspection Services
  • Code H389: Inspection – Subsistence

NAICS codes used with PSC H389

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H389 most often:

NAICS codes used with PSC H389
NAICSIndustrySpent, last 3 yearsOpen with PSC H389
541380Testing Laboratories and Services$6 million1
541618Other Management Consulting Services$855,603—
561990All Other Support Services$12,595—

Open contracts under each code, with any PSC: NAICS 541380 · NAICS 541618 · NAICS 561990

Who buys under PSC H389

Agencies with the most contract dollars under H389 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:

Who buys under PSC H389
AgencyObligated
Agricultural Marketing Service$6 million
Defense Health Agency$855,603

Federal spending under PSC H389 by year

Federal spending under PSC H389 by fiscal year
Fiscal yearContract obligations
FY2024$6.5 million
FY2025$88,411
FY2026 (incomplete)$208,798

Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.

Who wins PSC H389 contracts

Who wins PSC H389 contracts
CompanyObligated, last 3 years
Food Safety Net Services, LTD.$3.1 million
Silliker, Inc$1.6 million
Institute for Environmental Health Inc.$1.3 million
Healthwest LLC$855,603
Analytical Services Incorporated$12,595

Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.

Research PSC H389 work

By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:

Related PSC codes

  • H310 Inspection – Weapons
  • H311 Inspection – Nuclear Ordnance
  • H312 Inspection – Fire Control Equipment
  • H313 Inspection – Ammunition and Explosives
  • H314 Inspection – Guided Missiles
  • H315 Inspection – Aircraft and Airframe Structural Components
  • H316 Inspection – Aircraft Components and Accessories
  • H317 Inspection – Aircraft Launching, Landing, and Ground Handling Equipment
  • H318 Inspection – Space Vehicles
  • H319 Inspection – Ships, Small Craft, Pontoons, and Floating Docks

Frequently asked questions

What is PSC H389?

H389 is the service code in the federal Product and Service Code (PSC) Manual named “Inspection – Subsistence”, under H (Quality Control, Test, Inspection) and H3 (Inspection Services). Agencies put a PSC on every contract to record what they bought.

What is the difference between a PSC and a NAICS code?

A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.

Which NAICS code goes with PSC H389?

Most federal contract dollars under PSC H389 go with NAICS 541380 (Testing Laboratories and Services), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.

How do I find contracts that use PSC H389?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC H389 right now. FedReady can match new ones to your business and email you, free.

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