PSC B517: Geological Studies
Service code
Code facts
- Spend category
- Professional Services Management Advisory Services
- Part of
-
-
B
- B5
-
B
- Contract awards
- 64 In the last 12 months
- Contract obligations
- $2,236,565 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | -$8,985 |
| FY2026 | $2,261,248 |
| FY2025 | $2,236,565 |
| FY2024 | $2,331,102 |
| FY2023 | $3,465,025 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Athena Technologies Inc. | $352,575 | |
| 2 | Kbensko Consulting, LLC | $97,500 | |
| 3 | Biomarker Technologies, Inc. | $93,257 | |
| 4 | Ethan Hasenauer | $90,454 | |
| 5 | Charles Trexler | $90,000 | |
| 6 | Geosep Services, LLC | $88,225 | |
| 7 | Kevin Arizmendi | $86,000 | |
| 8 | Zirchron LLC | $85,400 | |
| 9 | Respec Company, LLC | $83,958 | |
| 10 | Washington State University | $75,408 |
See the full FY2025 ranking of PSC B517 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Interior | $1,765,188 | |
| 2 | Department of the Army | $352,575 | |
| 3 | Department of Energy | $97,500 | |
| 4 | Air Force | $37,000 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541990 All Other Professional, Scientific, and Technical Services | $733,978 | |
| 2 | 541380 Testing Laboratories and Services | $721,080 | |
| 3 | 541360 Geophysical Surveying and Mapping Services | $389,575 | |
| 4 | 541690 Other Scientific and Technical Consulting Services | $203,885 | |
| 5 | 541330 Engineering Services | $97,500 | |
| 6 | 611310 Colleges, Universities, and Professional Schools | $43,800 | |
| 7 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $32,970 | |
| 8 | 541620 Environmental Consulting Services | $21,449 | |
| 9 | 561320 Temporary Help Services | $8,026 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $612,579 | |
| 2 | Florida | $225,645 | |
| 3 | Arizona | $161,441 | |
| 4 | North Carolina | $159,741 | |
| 5 | Washington | $148,476 | |
| 6 | Colorado | $114,500 | |
| 7 | District of Columbia | $97,500 | |
| 8 | Alaska | $96,954 | |
| 9 | Nevada | $90,567 | |
| 10 | Idaho | $89,570 | |
| 11 | Texas | $87,757 | |
| 12 | South Dakota | $83,958 | |
| 13 | Oregon | $80,686 | |
| 14 | Virginia | $64,803 | |
| 15 | Massachusetts | $41,265 | |
| 16 | Minnesota | $21,449 | |
| 17 | Connecticut | $20,900 | |
| 18 | South Carolina | $15,750 |
Show all 18
Shares are of everything obligated under PSC B517 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 287 listed here. See the rest on GovTribe.
Quick answers
What is PSC B517?
PSC B517 is Geological Studies, a service code in PSC B, Special Studies/
How much do federal agencies spend under PSC B517?
Federal contracts under PSC B517 obligated $2,236,565 in fiscal year 2025 and $10,284,954 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC B517?
The contractors with the most obligated under PSC B517 in fiscal years 2026 and 2027 are Athena Technologies Inc. ($352,575); Kbensko Consulting, LLC ($97,500); and Biomarker Technologies, Inc. ($93,257).
Which agencies buy the most under PSC B517?
The agencies that obligated the most under PSC B517 in fiscal years 2026 and 2027 are Department of the Interior ($1,765,188), Department of the Army ($352,575) and Department of Energy ($97,500).
Which NAICS codes are used with PSC B517?
The NAICS codes with the most obligated under PSC B517 in fiscal years 2026 and 2027 are 541990 All Other Professional, Scientific, and Technical Services; 541380 Testing Laboratories and Services; and 541360 Geophysical Surveying and Mapping Services.
Where is the work under PSC B517 performed?
By place of performance, the states with the most contract obligations under PSC B517 over the last 12 months are California ($612,579), Florida ($225,645) and Arizona ($161,441).
What is the latest contract opportunity under PSC B517?
The latest contract opportunity under PSC B517 is Consulting Engineering Geologist Services for the U. S. Federal Energy Regulatory Commission, award notice from Federal Energy Regulatory Commission, posted September 29, 2026.
On GovTribe
See everything under PSC B517
- Federal contract opportunities, awards and IDVs under this code
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