PSC codes › B533
PSC B533 — Water Quality Studies: federal contracts
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What PSC B533 covers
Description: Water Quality Studies
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.
Who is winning new PSC B533 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| MABBETT & ASSOCIATES, INC. | $3.3M | 24 |
| BENHAM DESIGN, LLC | $2.5M | 1 |
| RTI LABORATORIES INC | $1.7M | 3 |
| SLA+CYNTERGY JV | $1.5M | 1 |
| FLUID SOLUTIONS LLC | $880K | 4 |
| UTAH STATE UNIVERSITY | $701K | 15 |
| THE CADMUS GROUP LLC | $700K | 1 |
| PHIGENICS LLC | $658K | 5 |
| PACE ANALYTICAL SERVICES, LLC | $654K | 11 |
| FORSGREN ASSOCIATES INC | $653K | 1 |
How competitive is PSC B533?
- 82.7% of obligations on these awards were competed.
- 42.1% of competed awards that report offers drew a single offer (n=195).
- 69.9% went to small businesses.
- The five largest contractors hold 35.1% across 182 contractors.
NAICS codes used on PSC B533 awards
| NAICS | Industry | Share |
|---|---|---|
| 541380 | Testing Laboratories and Services | 37.5% |
| 541620 | Environmental Consulting Services | 22.1% |
| 541330 | Engineering Services | 17.1% |
| 561210 | Facilities Support Services | 4.3% |
| 541690 | Other Scientific and Technical Consulting Services | 4.2% |
| 541990 | All Other Professional, Scientific, and Technical Services | 4.0% |
| 221310 | Water Supply and Irrigation Systems | 3.0% |
| 221320 | Sewage Treatment Facilities | 2.7% |
Related PSC codes
F103 Water Quality Support Services · R499 Other Professional Services · R425 Engineering and Technical Services · F999 Other Environmental Services, Studies, and Analytical Support · Q301 Reference Laboratory Testing · J046 Maint/Repair/Rebuild of Equipment: Water Purification and Sewage Treatment Equipment · H146 Quality Control Services: Water Purification and Sewage Treatment Equipment · H946 Other Qc/Test/Inspect: Water Purification and Sewage Treatment Equipment
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