Natural Resources and Environment R&D Services: Other Natural Resources (Basic Research) Government Contracts

PSC AH51 Service code

Code facts

Spend category
Research and Development
Contract obligations
$4,773,515 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 0 notices posted in the last 90 days
Contract awards
11 In the last 12 months
Obligated
$4,202,661 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Environmental Protection Agency $1,762,968
2 Department of the Army Department of Defense $1,287,157
3 Department of the Interior $1,161,763
4 National Aeronautics and Space Administration $105,845

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Specpro Sustainment And Environmental, LLC $1,707,773
2 Case Western Reserve University $320,502
3 Cornell University $222,000
4 University Of California, LOS Angeles $201,952
5 Northeastern University $200,000
6 Leidos, Inc. $188,628
7 Science Systems And Applications, Inc. $187,014
8 Southwest Research Institute $185,684
9 University Of Florida $184,330
10 Michigan State University $179,084

Contract opportunities

No notices under PSC AH51 are open now. These are the newest.

Notice Posted Due
Next Generation Sequencing (NGS) Services Award Notice · 68HERC24Q0155 —
SRA: lake explorer II research support for OA-oase Solicitation
DEMonstrating the Emerging Technologies for measuring Earth's Radiation (DEMETER) Special Notice · Shared Services Center
Next Generation Sequencing (NGS) Services Solicitation · Cincinnati Procurement Operations Division (OAM) · 68HERC24Q0155
Next Generation Sequencing (NGS) Services Pre-Solicitation · Cincinnati Procurement Operations Division (OAM) · 68HERC24Q0155 —
USGS Landsat Science Team Solicitation · Office of Acquisitions and Grants (USGS) · 140G0125R0001
USGS Landsat Science Team Pre-Solicitation · Office of Acquisitions and Grants (USGS) · 140G0125R0001
IITF Technical Services, Caribbean Climate Hub Award Notice · Forest Service · 12445024P0046 —
IITF Technical Services, Caribbean Climate Hub Solicitation · Forest Service · 12445024Q0035
Next Generation Sequencing (NGS) Services Pre-Solicitation · Cincinnati Procurement Operations Division (OAM) · 68HERC24Q0155
Consultations on Forestry and Wildlife Law amendments to promote sustainable agricultural practices Solicitation · US Mission in Peru (OM)
Global Navigation Satellite System Study for Improved Performance Special Notice · Shared Services Center
Perform a wetland survey of 500+ acres of land located at Stennis Space Center Solicitation · Shared Services Center
Wetland survey of 500+ acres of land located at Stennis Space Center Special Notice · Shared Services Center
Design Lignin-based and Fluorocarbon-free Omniphobic Textile Coatings Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Developing Novel Stable Isotope Techniques for Assessing Sources, Transport, and Fate of PFAS in the Subsurface Environment Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Production of Trichlorobenzene (TCB) with Low Environmental Impact Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Tackle Exploration with Crab-Like Legged Robots for Munitions Retrieval Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Mechanisms of Real-World PFAS Defluorination in Membrane Catalyst-Film Reactors and Membrane Biofilm Reactors Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Optically Derived 3D Models for Munitions Location and Identification Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Legal Consultant Services to support SERFOR Solicitation · US Mission in Peru (OM)
Development of Novel Functionalized Polymeric Thin Films for Equilibrium Passive Sampling of PFAS in Surface and Groundwater Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Thick Elastomeric Coating Removal Using Tailored Infrared Ultrasonication Technologies Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Ex Situ Treatment of PFAS-Impacted Soils and Sediments Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Method to Measure PFAS in MIL-Spec AFFF by Extraction Using Osorb and Advanced Sorbents with Organofluorine Analysis Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Attenuation Mechanisms and Biodegradation Kinetics of 1, 4-Dioxane by Propane Monooxygenase-expressing Microorganisms Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Serdp ER23-3656 Award Notice · Humphreys Engineer Center Support Activity (USACE) —
In Situ Sequestration of PFAS-Impacted Groundwater Using Stabilized Ion Exchange Resin Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Low-temperature Catalytic Thermal Treatment for Effective Per- and Polyfluoroalkyl Substances Decomposition in Solid Matrices and AFFF Concentrate Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Additively Manufactured Green Pyrotechnic Delays for CAD/PAD Applications Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Cybersecurity for Energy Resilience Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Membership Renewal (1 year) for ISU CNDE IAB Special Notice · Shared Services Center
High-Capacity Sustainable Sorbents for Treatment of PFAS Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Improved PFAS-Free Foams Tested Under Extreme Conditions Award Notice · Humphreys Engineer Center Support Activity (USACE) —
A Holistic Approach to DoD Base-Level Non-Tactical Vehicle (NTV) Electrification Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Development and Application of Injectable Fuels/Adjuncts for In Situ Treatment of PFAS and Co-Occurring Chemicals in Source Areas by Smoldering Combustion Award Notice · Humphreys Engineer Center Support Activity (USACE) —
High-Resolution Metering & State Estimation for Low-Cost Real-Time Awareness and Improved Microgrid Design Award Notice · Humphreys Engineer Center Support Activity (USACE) —
ESTCP RC22-7335 Development of a Decision Support Aid System Connecting Climate Model Downscaling and DoD Infrastructure Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Survey, Post-Processing, and Interpretation of Lake Ontario Wetland Elevations Special Notice · Humphreys Engineer Center Support Activity (USACE)
Service Contract for Biological and Taxonomic Analysis of Phytoplankton Solicitation · Engineer Research and Development Center (USACE)
SERDP WP22-3296 Functional Additives to Improve Fluorine-Free Fire Suppressant Foams Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Directional Recrystallization of Additively Manufactured Oxide Dispersion-Strengthened (ODS) Alloys. Special Notice · Shared Services Center
UTTR Surface Crust Soil Testing Special Notice · Shared Services Center
An Interdisciplinary Approach to Improving Military and Multi-Jurisdictional Landscape Management of the Mojave Desert Tortoise Across Its Range Award Notice · Humphreys Engineer Center Support Activity (USACE) —
New Task Order under Contract #68HERD19D0001 title Solicitation · Cincinnati Procurement Operations Division (OAM)
2021 ERDC Broad Agency Announcement (BAA) Award Notice · US Army Corps of Engineers —
Micro-Combined Heat and Power at DoD Facilities Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Impacts of Particulate Carbon Amendments on Pollutant Fate in Groundwater Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Develop floating flame refluxer system Limited / Sole Source Justification · Bureau of Safety and Environmental Enforcement —
Development of a Chromate Free ZnNi Passivation Treatment Award Notice · Humphreys Engineer Center Support Activity (USACE) —
Show 40 more

Latest 50 of 61 listed here. See the rest on GovTribe.

Recent contract awards

Award Awarded Obligated
PSC: AH51 - natural resources and environment R & D services 68HERW26F0227 · Specpro Sustainment And Environmental, LLC · Environmental Protection Agency $193,855
This requirement is to collect information, develop, and update the integrated natural resources management plan… FA527026PB023 · Incorporated Foundation Okinawa Prefecture Environment Science Center · Pacific Air Forces (USAF) $88,081
AH51: task order for genetic sequencing. 68HERF26F0119 · University Of North Carolina At Chapel Hill · Environmental Protection Agency $59,997
Critical flow venturi/SNP02-SGR14-100 80NSSC26P0650 · Stuart A Cole · Shared Services Center $105,845
AH51 - toxicology and ecology research support contract at the great lakes toxicology and ecology division, duluth… 68HERW26F0057 · Specpro Sustainment And Environmental, LLC · Environmental Protection Agency $1,573,809
US geological survey (USGS) landsat science team 140G0126C0007 · Cornell University · Office of Acquisitions and Grants (USGS) $222,000
US geological survey (USGS) landsat science team 140G0126C0006 · University Of California, LOS Angeles · Office of Acquisitions and Grants (USGS) $201,952
US geological survey (USGS) landsat science team 140G0126C0005 · Science Systems And Applications, Inc. · Office of Acquisitions and Grants (USGS) $187,014
US geological survey (USGS) landsat science team 140G0126C0004 · Michigan State University · Office of Acquisitions and Grants (USGS) $183,886
US geological survey (USGS) landsat science team 140G0126C0003 · University Of Utah · Departmental Offices $178,283

Latest 10 of 11 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $4,317,733
FY2025 $4,773,515
FY2024 $14,292,968
FY2023 $14,630,267
Rank NAICS code Obligated, FY2026–FY2027 Share
1 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) $3,921,855
2 611310 Colleges, Universities, and Professional Schools $201,952
3 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables $105,845
4 813312 Environment, Conservation and Wildlife Organizations $88,081

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Minnesota $1,707,773
2 Ohio $320,502
3 Florida $317,818
4 New York $222,000
5 California $201,952
6 Massachusetts $200,000
7 Virginia $188,628
8 Maryland $187,014
9 Texas $185,684
10 Michigan $183,886
11 Utah $178,283
12 Mississippi $105,845
13 Tennessee $60,000
14 North Carolina $55,195
Show all 14

Shares are of everything obligated under PSC AH51 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC AH51?

PSC AH51 is Natural Resources and Environment R&D Services; Other Natural Resources; Basic Research, a service code in PSC A, Research and Development.

How many government contracts for natural resources and environment R&D services: other natural resources (basic research) are there?

Federal agencies awarded 11 contracts under PSC AH51 in the last 12 months, obligating $4,202,661.

How much do federal agencies spend under PSC AH51?

Federal contracts under PSC AH51 obligated $4,773,515 in fiscal year 2025 and $38,014,483 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC AH51?

The contractors with the most obligated under PSC AH51 in fiscal years 2026 and 2027 are Specpro Sustainment And Environmental, LLC ($1,707,773); Case Western Reserve University ($320,502); and Cornell University ($222,000).

Which agencies buy the most under PSC AH51?

The agencies that obligated the most under PSC AH51 in fiscal years 2026 and 2027 are Environmental Protection Agency ($1,762,968), Department of the Army ($1,287,157) and Department of the Interior ($1,161,763).

Which NAICS codes are used with PSC AH51?

The NAICS codes with the most obligated under PSC AH51 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 611310 Colleges, Universities, and Professional Schools; and 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.

Where is the work under PSC AH51 performed?

By place of performance, the states with the most contract obligations under PSC AH51 over the last 12 months are Minnesota ($1,707,773), Ohio ($320,502) and Florida ($317,818).

What is the latest contract opportunity under PSC AH51?

The latest contract opportunity under PSC AH51 is Next Generation Sequencing (NGS) Services, award notice, posted March 20, 2026.

On GovTribe

See everything under PSC AH51

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