PSC 4630: Sewage Treatment Equipment
4630 is the product and service code (PSC) federal agencies use for sewage treatment equipment, in the water purification/sewage treatment 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
- Spending, FY2026
- $38.2 million
- Share to small businesses
- 23%
Where 4630 sits in the PSC Manual
- Category: Product
- Group 46: Water Purification/Sewage Treatment
- Code 4630: Sewage Treatment Equipment
NAICS codes used with PSC 4630
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4630 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | $44.4 million |
| 221320 | Sewage Treatment Facilities | $19.2 million |
| 333319 | Other Commercial and Service Industry Machinery Manufacturing | $13.1 million |
| 333996 | Fluid Power Pump and Motor Manufacturing | $4.7 million |
| 333914 | Measuring, Dispensing, and Other Pumping Equipment Manufacturing | $2.8 million |
| 423830 | Industrial Machinery and Equipment Merchant Wholesalers | $1.8 million |
Who buys under PSC 4630
Agencies with the most contract dollars under 4630 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $47.4 million |
| International Boundary and Water Commission: U.S.-Mexico | $17.6 million |
| Federal Acquisition Service | $13.3 million |
| Department of the Army | $6 million |
| Federal Prison System / Bureau of Prisons | $1.8 million |
| United States Mint | $1.8 million |
| Defense Logistics Agency | $1.7 million |
| Department of the Air Force | $1.2 million |
Federal spending under PSC 4630 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $27.7 million |
| FY2025 | $27.3 million |
| FY2026 | $38.2 million |
| FY2027 (so far) | $0 |
Who wins PSC 4630 contracts
| Company | Obligated, last 3 years |
|---|---|
| Evac North America Inc | $46.2 million |
| Sunstate Environmental Services Inc | $17.5 million |
| Highland Engineering, Inc. | $13.2 million |
| Hemphill Construction Co Inc | $4.4 million |
| Carollo Engineers Inc | $1.8 million |
| R P M Supply Corporation | $928,200 |
| Procon International LLC | $799,292 |
| Global Enterprise, Inc | $620,280 |
| Environmental Systems LLC | $575,000 |
| Portable Services, Inc. | $525,000 |
Related PSC codes
Frequently asked questions
What is PSC 4630?
4630 is the product code in the federal Product and Service Code (PSC) Manual for sewage treatment equipment, under 46 (Water Purification/Sewage Treatment). 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 4630?
Most federal contract dollars under PSC 4630 go with NAICS 333998 (All Other Miscellaneous General Purpose Machinery Manufacturing), 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 4630?
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.