PSC H979: Other QC/Test/Inspect – Cleaning Equipment and Supplies
H979 is the product and service code (PSC) federal agencies use for “Other QC/Test/Inspect – Cleaning Equipment and Supplies”, in the “Other Quality, Test, Inspect SVCS” 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
- $41,172
- Share of contract dollars to small businesses, since FY2024
- -22%
Open count as of Oct 28, 2026, 3:39 PM ET. The search counts live, so its total can differ by a notice or two.
Open PSC H979 contracts with 2+ days to respond
- Admin Management, Data Management, Software Development (Quality Assurance Inspection Software for EMS)
✦ Only service-disabled veteran-owned small businesses (SDVOSB) may bid: the Department of Veterans Affairs, Network Contracting Office 20, is buying a commercial off-the-shelf…
Due in 6 daysNov 3, 2026, 5:00 PM PST
Where H979 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H9: Other Quality, Test, Inspect SVCS
- Code H979: Other QC/Test/Inspect – Cleaning Equipment and Supplies
NAICS codes used with PSC H979
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H979 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC H979 |
|---|---|---|---|
| 562991 | Septic Tank and Related Services | $92,929 | — |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $74,202 | — |
| 561790 | Other Services to Buildings and Dwellings | $69,915 | — |
| 561210 | Facilities Support Services | $42,909 | — |
| 811192 | Car Washes | $41,634 | — |
| 332813 | Electroplating, Plating, Polishing, Anodizing, and Coloring | $34,425 | — |
| 541519 | Other Computer Related Services | — | 1 |
Open contracts under each code, with any PSC: NAICS 562991 · NAICS 238220 · NAICS 561790 · NAICS 561210 · NAICS 811192 · NAICS 332813 · NAICS 541519
Who buys under PSC H979
Agencies with the most contract dollars under H979 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Department of State | $167,066 |
| Department of the Army | $68,132 |
| Department of the Air Force | $48,515 |
| Federal Trade Commission | $42,909 |
| Department of the Navy | $34,425 |
| Federal Prison System / Bureau of Prisons | $34,108 |
| National Institutes of Health | $4,200 |
| Bureau of Land Management | $2,183 |
Federal spending under PSC H979 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | -$50,617 |
| FY2025 | $41,172 |
| FY2026 (incomplete) | $113,788 |
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 H979 contracts
| Company | Obligated, last 3 years |
|---|---|
| Icsa Ing S a EN Reorganizacion | $92,929 |
| Winergy LLC | $91,592 |
| GFM Partners LLC | $74,202 |
| Miscellaneous Foreign Awardees | $69,915 |
| Emcor Government Services, Inc | $42,909 |
| United Contamination Control, Inc. | $34,425 |
| E-Environmental Solutions, LLC | $34,108 |
| MECX, Inc. | $33,000 |
| Est Companies LLC | $31,356 |
| Davcor Aviation Services Inc | $22,830 |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
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 H979 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:
- 562991 Septic Tank and Related Services: who won recently · planned buys. Not available for 562991 yet: contracts ending in the next 12 months or large primes that subcontract. Its NAICS page shows who buys it.
- 238220 Plumbing, Heating, and Air-Conditioning Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 561790 Other Services to Buildings and Dwellings: who won recently · planned buys
Related PSC codes
- H910 Other QC/Test/Inspect – Weapons
- H911 Other QC/Test/Inspect – Nuclear Ordnance
- H912 Other QC/Test/Inspect – Fire Control Equipment
- H913 Other QC/Test/Inspect – Ammunition and Explosives
- H914 Other QC/Test/Inspect – Guided Missiles
- H915 Other QC/Test/Inspect – Aircraft and Airframe Structural Components
- H916 Other QC/Test/Inspect – Aircraft Components and Accessories
- H917 Other QC/Test/Inspect – Aircraft Launching, Landing, and Ground Handling Equipment
- H918 Other QC/Test/Inspect – Space Vehicles
- H919 Other QC/Test/Inspect – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC H979?
H979 is the service code in the federal Product and Service Code (PSC) Manual named “Other QC/Test/Inspect – Cleaning Equipment and Supplies”, under H (Quality Control, Test, Inspection) and H9 (Other Quality, Test, Inspect SVCS). 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 H979?
Most federal contract dollars under PSC H979 go with NAICS 562991 (Septic Tank and Related 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 H979?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC H979 right now. FedReady can match new ones to your business and email you, free.
Keep going
Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.