PSC codes › B519
PSC B519 — Geotechnical Studies: federal contracts
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What PSC B519 covers
Description: Geotechnical 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 B519 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| FUGRO USA LAND, INC. | $4.3M | 2 |
| TACTICA MANAGEMENT SERVICES LLC | $3.9M | 1 |
| EUSTIS ENGINEERING, L.L.C. | $2.5M | 2 |
| CENTRAL GEOTECHNICAL SERVICES, LLC | $959K | 1 |
| AHTNA INFRASTRUCTURE & TECHNOLOGIES LLC | $711K | 10 |
| HEESONG GEOTEK CO., LTD. | $504K | 9 |
| RICHARD CATLIN & ASSOCIATES INC | $484K | 2 |
| ARDENT MANAGEMENT CONSULTING, LLC | $337K | 1 |
| GEO-ADVANTEC, INC. | $221K | 1 |
| VINE LABORATORIES INC | $155K | 2 |
How competitive is PSC B519?
- 69.1% of obligations on these awards were competed.
- 27.3% of competed awards that report offers drew a single offer (n=44).
- 66.5% went to small businesses.
- The five largest contractors hold 80.6% across 41 contractors.
NAICS codes used on PSC B519 awards
| NAICS | Industry | Share |
|---|---|---|
| 541380 | Testing Laboratories and Services | 49.3% |
| 541360 | Geophysical Surveying and Mapping Services | 29.7% |
| 541330 | Engineering Services | 8.8% |
| 541370 | Surveying and Mapping (Except Geophysical) Services | 4.6% |
| 213115 | Support Activities for Nonmetallic Minerals (Except Fuels) | 3.3% |
| 541511 | Custom Computer Programming Services | 2.2% |
| 541620 | Environmental Consulting Services | 1.0% |
| 541990 | All Other Professional, Scientific, and Technical Services | 0.6% |
Related PSC codes
R499 Other Professional Services · C219 Other Architect and Engineering Services · R425 Engineering and Technical Services · F999 Other Environmental Services, Studies, and Analytical Support · C211 Architect - Engineer Services (including landscaping, interior layout, and designing) · B510 Environmental Studies and Assessments · R408 Program Management/Support Services · Y1JZ Construction of Miscellaneous Buildings
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