Code facts
Spend category
Professional Services
Management Advisory Services
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Open opportunities
0
4 notices posted in the last 90 days
Contract awards
9
In the last 12 months
Obligated
$4,226,717
In the last 12 months, net of deobligations
Top buying agencies by obligations
Top contractors by obligations
Rank
Contractor
Obligated, FY2026–FY2027
Share
1
Brackish Consulting LLC
$2,012,388
46%
2
Kfs, LLC
$1,236,467
28%
3
Collier Consulting, Inc.
$640,000
15%
4
Degrove Surveyors, Inc.
$257,628
6%
5
Green Country Testing, Incorporated
$112,160
3%
6
Exploration Instruments LLC
$70,682
2%
7
Building & Earth Sciences, Inc.
$8,000
<1%
8
Ground Penetrating Radar Systems, LLC
$3,300
<1%
Contract opportunities
No notices under PSC B518 are open now. These are the newest.
Notice
Posted
Due
GPR Survey
Solicitation · Forest Service
Oct 16, 2026
Oct 28, 2026
Remote Sensing/Geophysical Survey GPR
Pre-Solicitation · Forest Service
Sep 18, 2026
Sep 21, 2026
Groundwater Transfer and Injection Project - Oxford, MS
Award Notice · Agricultural Research Service · 1232SA26Q0854
Sep 10, 2026
—
Groundwater Transfer and Injection Project - Oxford, MS
Solicitation · Agricultural Research Service · 1232SA26Q0854
Sep 3, 2026
Sep 8, 2026
2024 California NAIP3D Remote Sensing Imagery - Intent to Sole Source
Special Notice · Forest Service
Nov 19, 2025
Dec 1, 2025
New Mexico Tech Research and Development of Optical Flow Imaging Analysis
Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
Jul 30, 2025
Aug 14, 2025
Geotechnical Engineering Services for a new water storage Tank, Wyandotte, OK
Award Notice · Indian Health Service · 75H71125P00117
Apr 7, 2025
—
Geotechnical Engineering Services for a new water storage Tank, Wyandotte, OK
Solicitation · Indian Health Service · 246-25-Q-0024r1
Mar 5, 2025
Mar 31, 2025
Geotechnical Engineering Services for a new water storage tank Wyandotte, Oklahoma
Solicitation · Indian Health Service
Jan 29, 2025
Feb 17, 2025
Structural surveys in a U. S Government Property located in Paris, France
Solicitation · US Embassy Paris (DOS)
Dec 20, 2024
Feb 27, 2025
Subsurface Soil/Groundwater Sampling Eielson AFB
Award Notice · Office of Research and Development (EPA) · 68HE0B24Q0196
Jul 30, 2024
—
CA ERFO NP SEKI 2023-2(2) Crystal Cave Road Geophysics
Solicitation · Federal Highway Administration
Jul 26, 2024
Aug 12, 2024
Subsurface Soil/Groundwater Sampling Eielson AFB
Solicitation · Office of Research and Development (EPA) · 68HE0B24Q0196
Jul 10, 2024
Jul 19, 2024
GSHP Washington
Solicitation · Naval Facilities Engineering Command (Navy)
Apr 30, 2024
Jun 28, 2024
AZ SAN bernadino NWR geomorphology sediment study
Pre-Solicitation · Fish and Wildlife Service
Apr 23, 2024
May 1, 2024
Nuclear Magnetic Resonance (NMR) Logging Services
Award Notice · Office of Research and Development (EPA)
Feb 28, 2024
—
sUAS Aeromagnetic Surveys of Two Subareas within Stonewall Jackson Lake, Lewis County, West Virginia
Solicitation · National Energy Technology Lab
Feb 23, 2024
Mar 4, 2024
Vessel strike risk to rice's whale-GOM
Special Notice · Bureau of Ocean Energy Management
Jan 23, 2024
Feb 19, 2024
Early Warning System Support for BIA OTS DWP
Pre-Solicitation · Central Office (BIA)
Nov 30, 2023
Jan 31, 2024
HAMP 326087 - Archeological Geophysical Survey
Award Notice · National Office (NPS)
Sep 21, 2023
—
GPR Utility Location Services
Solicitation · Air Education and Training Command (USAF) · FA488723Q0050
Aug 10, 2023
Aug 21, 2023
GPR Utility Location Services
Pre-Solicitation · Air Education and Training Command (USAF) · FA488723Q0050
Aug 10, 2023
Aug 10, 2023
Geolocation Services
Special Notice · MICC Fort Hood
Apr 18, 2023
Apr 18, 2023
Direction Finding and Geolocation Services
Solicitation · MICC Fort Hood · W9115123Q0002
Apr 14, 2023
Apr 17, 2023
Direction Finding and Geolocation Services
Pre-Solicitation · MICC Fort Hood · W91123Q0001
Apr 13, 2023
Apr 14, 2023
RFI- Processing Geophysical Data Lake Iceberg, AK
Pre-Solicitation · Office of Acquisitions and Grants (USGS)
Jan 13, 2023
Jan 20, 2023
Terrestrial lidar archeology project at fort neces
Solicitation · Northeast Region (NPS)
Sep 6, 2022
Sep 19, 2022
Notice of Intent to Sole Source GIS Support Services
Special Notice · ENDIST Philadelphia (USACE)
Aug 24, 2022
Sep 8, 2022
Borehole geophysical services
Pre-Solicitation · Office of Acquisitions and Grants (USGS)
Jul 25, 2022
Aug 1, 2022
NM inventory of abandoned mine sites
Solicitation · New Mexico Region (BLM)
May 25, 2022
Jul 8, 2022
Geophysical survey of 20 acres site in Sheridan County, Kansas
Solicitation · Farm Production and Conservation · 12FPC122R0004F
May 12, 2022
May 27, 2022
ICESat-2 Airborne Lidar Survey
Pre-Solicitation · Goddard Space Center
May 4, 2022
May 19, 2022
Geophysical survey of 20 acres site in Sheridan County, Kansas
Solicitation · Farm Production and Conservation · 12FPC122R0004
Apr 7, 2022
Apr 25, 2022
McNary Dam Gudgeon Anchor GPR Geophysical Surveying
Award Notice · ENDIST Walla Walla (USACE) · W912EF22P5023
Mar 16, 2022
—
McNary Dam Gudgeon Anchor GPR Geophysical Surveying
Award Notice · ENDIST Walla Walla (USACE) · W912EF22Q0028
Mar 9, 2022
—
Utility Locating Services at BARC and US National Arboretum
Award Notice · Northeast Area (FRIID) · 12305B22Q0037
Mar 2, 2022
—
Utility Locating Services at BARC and US National Arboretum
Solicitation · Northeast Area (FRIID) · 12305B22Q0037
Feb 8, 2022
Feb 23, 2022
Purchase and develop zone of influence simulation models for groundwater wells 4 quarterly sampling
Special Notice · Office of Naval Research (SECNAV)
Feb 3, 2022
Feb 7, 2022
McNary Dam Gudgeon Anchor GPR Geophysical Surveying
Solicitation · ENDIST Walla Walla (USACE) · 22Q0028
Jan 13, 2022
Feb 17, 2022
McNary Dam Gudgeon Anchor GPR Geophysical Surveying
Pre-Solicitation · ENDIST Walla Walla (USACE) · 22Q0028
Jan 11, 2022
Jan 27, 2022
Borehole geophysical logging service
Special Notice · Office of Acquisitions and Grants (USGS)
Sep 8, 2021
Sep 17, 2021
PVU Injection Well Evaluation 2021
Award Notice · Bureau of Reclamation · 140R4021Q0030
Jun 3, 2021
—
Buffalo District Indefinite Delivery – Indefinite Quantity (IDIQ) contracts for Geotechnical Engineering Services
Award Notice · ENDIST Buffalo (USACE) · W912P421D0002
May 25, 2021
—
Buffalo District Indefinite Delivery – Indefinite Quantity (IDIQ) contracts for Geotechnical Engineering Services
Award Notice · ENDIST Buffalo (USACE) · W912P421D0001
May 25, 2021
—
PVU Injection Well Evaluation 2021
Solicitation · Bureau of Reclamation · 140R4021Q0030
Apr 2, 2021
Apr 21, 2021
Borehole geophysical logging for (2) sites in LA C
Award Notice · Office of Acquisitions and Grants (USGS)
Jan 29, 2021
—
Borehole geophysical logging at (2) sites in LA me
Solicitation · Office of Acquisitions and Grants (USGS)
Jan 8, 2021
Jan 25, 2021
Electrical ResistanceTomography Survey and Report
Solicitation · Northeast Region (NPS)
Sep 9, 2020
Sep 16, 2020
PFAS Remedial Investigations for Cannon AFB, NM and Hill AFB, UT
Award Notice · ENDIST Albuquerque (USACE)
Sep 1, 2020
—
IDIQ for Reprocessing of vintage 2-D Seismic Refle
Award Notice · Bureau of Ocean Energy Management
Aug 31, 2020
—
Recent contract awards
Award
Awarded
Obligated
STEM10 profiler+ and accessories
68HERL27P0030 · Exploration Instruments LLC · Environmental Protection Agency
Nov 4, 2026
$70,682
Provide services to evaluate and assess new and emerging technology perform technical project management activities…
70B01C26F00001111 · Kfs, LLC · Customs and Border Protection
Sep 25, 2026
$390,622
Site selection and most probable cost estimation for the groundwater transfer and injection project (GTIP) phase 2
1232SA26P0700 · Collier Consulting, Inc. · Central Program Planning Coordination and Support (ARS)
Sep 20, 2026
$640,000
Services to evaluate and assess new and emerging technology perform technical project management activities to…
70B01C26F00000510 · Kfs, LLC · Customs and Border Protection
Jun 28, 2026
$750,573
Contract no. W912EP25D0003, middle RIO grande valley aerial lidar
W912EP26FA080 · Degrove Surveyors, Inc. · ENDIST Jacksonville (USACE)
Jun 2, 2026
$257,628
A highly qualified vendor that can provide personnel with on-ground experience in arabian peninsula, the levant with an…
H9227726PE005 · Brackish Consulting LLC · US Special Operations Command
Mar 9, 2026
$2,012,388
Provide technical project management services, equipment, and expertise to update, fabricate, and test a new test…
70B01C26F00000135 · Kfs, LLC · Customs and Border Protection
Jan 26, 2026
$99,218
Semi-annual sampling events, environmental laboratory analytical services for open burn/open detonation (OB/OD)…
W519TC26PA026 · Green Country Testing, Incorporated · Department of the Army
Dec 15, 2025
$112,160
Detect main water leak on compound
15B30126P00000049 · Ground Penetrating Radar Systems, LLC · United States Penitentiary Atlanta (BOP)
Dec 9, 2025
$3,300
Contract obligations by fiscal year
Fiscal year
Obligated
FY2027
To date
$70,682
FY2026
$4,155,084
FY2025
$491,581
FY2024
$10,937,038
FY2023
$7,912,071
Contract obligations by state
Shares are of everything obligated under PSC B518 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Quick answers
What is PSC B518?
PSC B518 is Geophysical Studies, a service code in PSC B, Special Studies/Analysis, Not R&D.
How many government contracts for geophysical studies are there?
4 notices under PSC B518 were posted in the last 90 days, and none are open now. Federal agencies awarded 9 contracts under PSC B518 in the last 12 months, obligating $4,226,717.
How much do federal agencies spend under PSC B518?
Federal contracts under PSC B518 obligated $491,581 in fiscal year 2025 and $23,566,457 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC B518?
The contractors with the most obligated under PSC B518 in fiscal years 2026 and 2027 are Brackish Consulting LLC ($2,012,388); Kfs, LLC ($1,236,467); and Collier Consulting, Inc. ($640,000).
Which agencies buy the most under PSC B518?
The agencies that obligated the most under PSC B518 in fiscal years 2026 and 2027 are Air Force ($2,012,388), Department of Homeland Security ($1,236,467) and Department of Agriculture ($640,000).
Which NAICS codes are used with PSC B518?
The NAICS codes with the most obligated under PSC B518 in fiscal years 2026 and 2027 are 541360 Geophysical Surveying and Mapping Services, 541370 Surveying and Mapping (except Geophysical) Services and 541380 Testing Laboratories and Services.
Where is the work under PSC B518 performed?
By place of performance, the states with the most contract obligations under PSC B518 over the last 12 months are Virginia ($1,236,467), Mississippi ($640,000) and New Mexico ($257,628).
What is the latest contract opportunity under PSC B518?
The latest contract opportunity under PSC B518 is GPR Survey, solicitation from Forest Service, posted October 16, 2026.
On GovTribe
See everything under PSC B518
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