PSC H399: Inspection – Miscellaneous
H399 is the product and service code (PSC) federal agencies use for inspection – miscellaneous, 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
- Spending, FY2026
- $27.4 million
- Share to small businesses
- 62%
Open contracts with PSC H399, due soonest
- OKC Elevator Test and Inspection (Semi Annual and Annual Service)
✦ This is an amendment to a VA Network Contract Office 19 combined synopsis/solicitation for semi-annual and annual elevator test and inspection services in Oklahoma City.
Due in 9 daysOct 19, 2026
Where H399 sits in the PSC Manual
- Category: Service
- Group H: Quality Control, Test, Inspection
- Group H3: Inspection Services
- Code H399: Inspection – Miscellaneous
NAICS codes used with PSC H399
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with H399 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541350 | Building Inspection Services | $20 million |
| 923120 | Administration of Public Health Programs | $16.8 million |
| 541330 | Engineering Services | $14.1 million |
| 561611 | Investigation and Personal Background Check Services | $14 million |
| 541990 | All Other Professional, Scientific, and Technical Services | $7.3 million |
| 541620 | Environmental Consulting Services | $4.2 million |
Who buys under PSC H399
Agencies with the most contract dollars under H399 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Food and Drug Administration | $36.3 million |
| Department of the Army | $33.6 million |
| Department of the Navy | $7.8 million |
| Environmental Protection Agency | $6.2 million |
| Department of Veterans Affairs | $4.9 million |
| Washington Headquarters Services | $3.9 million |
| Forest Service | $3.5 million |
| Public Buildings Service | $2.7 million |
Federal spending under PSC H399 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $38 million |
| FY2025 | $21 million |
| FY2026 | $27.4 million |
| FY2027 (so far) | $181,996 |
Who wins PSC H399 contracts
| Company | Obligated, last 3 years |
|---|---|
| JLL-Rer Solutions, LLC | $27 million |
| Computer Evidence Specialists, LLC | $16.4 million |
| K. Parks Consulting, Inc | $6.5 million |
| Advanced Integrated Technologies, LLC | $5.9 million |
| Public Health, California Department of | $5.2 million |
| Amentum Technology, Inc. | $5 million |
| Nakupuna Consulting LLC | $3.5 million |
| SZPM-Alpha MPJV | $3.3 million |
| Blue Construction Services LLC | $2.8 million |
| Washington State Liquor and Cannabis Board | $2.5 million |
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 H399?
H399 is the service code in the federal Product and Service Code (PSC) Manual for inspection – miscellaneous, 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 H399?
Most federal contract dollars under PSC H399 go with NAICS 541350 (Building Inspection 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 H399?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC H399 right now. FedReady can match new ones to your business and email you, free.