PSC H179: Quality Control – Cleaning Equipment and Supplies
H179 is the product and service code (PSC) federal agencies use for “Quality Control – Cleaning Equipment and Supplies”, in the “Quality Control 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
- $2.6 million
- Share of contract dollars to small businesses, since FY2024
- 63%
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 H179 contracts with 2+ days to respond
- 19WA8026Q0036 - Janitorial services at Embassy office building and Warehouse.
✦ Presolicitation: the U.S. Embassy in Windhoek, Namibia plans to issue a request for quotation (RFQ) for janitorial services at its office building and general services warehouse.
Due in 33 daysNov 30, 2026, 5:00 PM UTC+1The AI summary flags this date. Check SAM.gov.
Where H179 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H1: Quality Control Services
- Code H179: Quality Control – Cleaning Equipment and Supplies
NAICS codes used with PSC H179
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H179 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC H179 |
|---|---|---|---|
| 811210 | Electronic and Precision Equipment Repair and Maintenance | $2.2 million | — |
| 812331 | Linen Supply | $1.1 million | — |
| 561790 | Other Services to Buildings and Dwellings | $389,694 | — |
| 335999 | All Other Miscellaneous Electrical Equipment and Component Manufacturing | $368,730 | — |
| 812332 | Industrial Launderers | $334,960 | — |
| 561720 | Janitorial Services | $99,206 | — |
| Other codes or no NAICS code | 1 |
Open contracts under each code, with any PSC: NAICS 811210 · NAICS 812331 · NAICS 561790 · NAICS 335999 · NAICS 812332 · NAICS 561720
Who buys under PSC H179
Agencies with the most contract dollars under H179 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 Veterans Affairs | $3.8 million |
| National Aeronautics and Space Administration | $368,730 |
| National Institutes of Health | $282,968 |
| Department of State | $170,127 |
| Department of the Air Force | $99,106 |
| U.S. Fish and Wildlife Service | $83,050 |
| Federal Emergency Management Agency | $68,788 |
| U.S. Coast Guard | $39,401 |
Federal spending under PSC H179 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $1.1 million |
| FY2025 | $2.6 million |
| FY2026 (incomplete) | $1.2 million |
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 H179 contracts
| Company | Obligated, last 3 years |
|---|---|
| Instrumentum California, LLC | $1.9 million |
| Cintas Corporation No. 2 | $1.1 million |
| Blue Wave Ultrasonics Inc | $368,730 |
| Red Orange North America Inc. | $334,960 |
| Alex Figueiredo Inc | $144,000 |
| BTR Enterprises of SC LLC | $123,084 |
| Steris Corporation | $106,789 |
| Washer Solutions Inc. | $105,733 |
| Genevieve Logan | $83,050 |
| Al Shahba General Contracting Establishment | $71,965 |
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 H179 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:
- 811210 Electronic and Precision Equipment Repair and Maintenance: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 812331 Linen Supply: who won recently
- 561790 Other Services to Buildings and Dwellings: who won recently · planned buys
Related PSC codes
- H110 Quality Control – Weapons
- H111 Quality Control – Nuclear Ordnance
- H112 Quality Control – Fire Control Equipment
- H113 Quality Control – Ammunition and Explosives
- H114 Quality Control – Guided Missiles
- H115 Quality Control – Aircraft and Airframe Structural Components
- H116 Quality Control – Aircraft Components and Accessories
- H117 Quality Control – Aircraft Launching, Landing, and Ground Handling Equipment
- H118 Quality Control – Space Vehicles
- H119 Quality Control – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC H179?
H179 is the service code in the federal Product and Service Code (PSC) Manual named “Quality Control – Cleaning Equipment and Supplies”, under H (Quality Control, Test, Inspection) and H1 (Quality Control 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 H179?
Most federal contract dollars under PSC H179 go with NAICS 811210 (Electronic and Precision Equipment Repair and Maintenance), 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 H179?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC H179 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.