PSC H944: Other QC/Test/Inspect – Furnace, Steam Plant, and Drying Equipment; Nuclear Reactors
H944 is the product and service code (PSC) federal agencies use for “Other QC/Test/Inspect – Furnace, Steam Plant, and Drying Equipment; Nuclear Reactors”, 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
- 0
- Federal contract spending, FY2025
- $272,876
- Share of contract dollars to small businesses, since FY2024
- 100%
Open count as of Oct 28, 2026, 10:04 PM ET. The search counts live, so its total can differ by a notice or two.
Where H944 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H9: Other Quality, Test, Inspect SVCS
- Code H944: Other QC/Test/Inspect – Furnace, Steam Plant, and Drying Equipment; Nuclear Reactors
NAICS codes used with PSC H944
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H944 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC H944 |
|---|---|---|---|
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $641,842 | — |
| 561210 | Facilities Support Services | $328,170 | — |
| 541990 | All Other Professional, Scientific, and Technical Services | $29,140 | — |
| 221330 | Steam and Air-Conditioning Supply | $24,800 | — |
Open contracts under each code, with any PSC: NAICS 238220 · NAICS 561210 · NAICS 541990 · NAICS 221330
Who buys under PSC H944
Agencies with the most contract dollars under H944 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 | $1 million |
| Department of the Navy | $2,290 |
Federal spending under PSC H944 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $267,623 |
| FY2025 | $272,876 |
| FY2026 (incomplete) | $481,814 |
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 H944 contracts
| Company | Obligated, last 3 years |
|---|---|
| Caldaia Controls LLC | $566,042 |
| Thermo Diagnostics Company LLC | $350,680 |
| Hilton Engineering Corp | $49,250 |
| Venergy Group LLC | $29,140 |
| Sanford Federal, Inc. | $26,550 |
| Invicta Global, LLC | $2,290 |
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 H944 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:
- 238220 Plumbing, Heating, and Air-Conditioning Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 561210 Facilities Support Services: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 541990 All Other Professional, Scientific, and Technical Services: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
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 H944?
H944 is the service code in the federal Product and Service Code (PSC) Manual named “Other QC/Test/Inspect – Furnace, Steam Plant, and Drying Equipment; Nuclear Reactors”, 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 H944?
Most federal contract dollars under PSC H944 go with NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), 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 H944?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 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.