Vendor, Houston, TX
Gsi Environmental Inc.
UEI J8M1UGKAFL69, CAGE 0X4P1
29 awards and $15,098,721 obligated between January 24, 2024 and May 28, 2026, 90% under full and open competition, against 40.2 offers on average where reported. 16 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
| Department of the Army | $13,373,810 |
| Department of the Navy | $1,538,739 |
| Department of the Air Force | $139,972 |
| Smithsonian Institution | $46,200 |
Industries
NAICS on the awards, by dollars.
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)NAICS 541715 | $15,071,201 |
| Environmental Consulting ServicesNAICS 541620 | $46,200 |
| Research and Development in Biotechnology (except Nanobiotechnology)NAICS 541714 | -$18,680 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition | 26 |
| Full and Open Competition After Exclusion of Sources | 1 |
| Competed Under SAP | 1 |
| Not Competed | 1 |
| Small Business Set Aside - Total | 1 |
| Definitive Contract | 27 |
| Purchase Order | 2 |
Hear when Gsi Environmental Inc. wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Gsi Environmental Inc. holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 13
- Obligated so far
- $7,647,212
- Soonest
- January 30, 2027
The 13 contracts, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) to Department of the Army, by dollars.
| The Mitre CorporationMC Lean, VA | $3,923,058,766 |
| Caci Technologies, LLCChantilly, VA | $906,857,522 |
| Intuitive Research and Technology CorporationHuntsville, AL | $898,690,582 |
| Joint Technical Solutions, LLCHuntsville, AL | $253,024,519 |
| Janus Research Group, LLCEvans, GA | $243,122,420 |
| Fibertek, Inc.Herndon, VA | $194,261,185 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Frameworks for Assessing the Impact of Extreme Weather Events at Environmental Restoration Sites
Department of the Navy, NAVFAC Systems and Exp Warfare CTR
Award noticeNAICS 5417Port Hueneme, CAN3943026R0005Awarded to Gsi Environmental Inc. for $1,000,304
Posted Oct 30 - “Convection-Based Geothermal Heat Exchange for High-Efficiency Building Heating and Cooling”
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ25C0058Awarded to Gsi Environmental Inc. for $2,050,783
Posted Aug 20, 2025 - Need Topic No 2: Conservation of Natural Resources
Department of the Navy, NAVFAC Systems and Exp Warfare CTR
Award noticeNAICS 541715Houston, TXN39430-25-C-0004Awarded to Gsi Environmental Inc. for $664,260
Posted Jul 23, 2025 - Assessing PFAS Background Concentrations and Mass Discharges as a Framework for Improved Site Management
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ25C0045Awarded to Gsi Environmental Inc. for $887,767
Posted May 14, 2025 - “Collecting and Communicating PFAS Remediation Performance via a Web-Based ESTCP Tool”
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ25C0041Awarded to Gsi Environmental Inc. for $391,284
Posted May 5, 2025 - Thermal Steam Plasma Treatment of AFFF Concentrate by Direct Injection
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ25C0028Awarded to Gsi Environmental Inc. for $1,115,844
Posted Apr 10, 2025 - TOPIC NO. 6: RESILIENT INFRASTRUCTURE CRUICIAL FOR ENDURING ENVIRONMENTAL PROTECTION NESDI 628. Evaluation of Climate Resiliency
Department of the Navy, NAVFAC Systems and Exp Warfare CTR
Award noticeNAICS 541715Houston, TXN3943025C2002Awarded to Gsi Environmental Inc. for $269,988
Posted Feb 24, 2025 - Bioaccumulation Protocol for Integrating Results from Abiotic and Biotic Materials with Geochemistry for Site-Specific Management at DoD Sites
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ25C0013Awarded to Gsi Environmental Inc. for $1,520,307
Posted Dec 2, 2024 - Broad Agency Announcement for Innovative Environmental Technologies and Methodologies
Department of the Navy, NAVFAC Systems and Exp Warfare CTR
Award noticeNAICS 541715Houston, TXN3943024R0026Awarded to Gsi Environmental Inc. for $187,971
Posted Sep 10, 2024 - In Situ Vessel Permeable Reactive Barrier with New High Efficiency, Replaceable Sorbents for PFAS Plume Control
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ24C0061Awarded to Gsi Environmental Inc. for $2,163,927
Posted Aug 23, 2024 - Two PFAS Remediation Models for Understanding and Managing PFAS in the Saturated Zone
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ24C0081Awarded to Gsi Environmental Inc. for $876,438
Posted Aug 7, 2024 - Thermal Steam Plasma Treatment of Volatile PFAS Emissions from Thermal Destructive Technologies
Department of the Army, W4LD USA Hecsa
Award noticeNAICS 541715Houston, TXW912HQ24C0049Awarded to Gsi Environmental Inc. for $1,390,269
Posted Jul 16, 2024
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| W912HQ24C0061Definitive Contract, August 23, 2024, Full and Open Competition, 57 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER23-7936 in Situ Vessel Permeable Reactive Barrier with New High Efficiency, Replaceable Sorbents for Pfas Plume ControlNAICS 541715, PSC AJ11 | $2,163,927 |
| W912HQ24C0049Definitive Contract, July 16, 2024, Full and Open Competition, 55 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER24-8156 Thermal Steam Plasma Treatment of Volatile Pfas Emissions from Thermal Destructive TechnologiesNAICS 541715, PSC AJ11 | $1,568,131 |
| W912HQ25C0058Definitive Contract, August 20, 2025, Full and Open Competition, 253 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project EW25-8539 "convection-Based Geothermal Heat Exchange for High-Efficiency Building Heating and Cooling." Goal - Demonstrate ThaNAICS 541715, PSC AJ11 | $1,220,318 |
| W912HQ24C0025Definitive Contract, January 26, 2024, Full and Open Competition, 57 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER23-7892 Title: Last Piece of the Puzzle: Separating and Destroying Short- Chained Pfas from Waste Streams by Combining ColloNAICS 541715, PSC AJ11 | $1,159,573 |
| W912HQ25C0028Definitive Contract, April 10, 2025, Full and Open Competition, 28 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER24-8963 "thermal Steam Plasma Treatment of Afff Concentrate by Direct Injection" to Demonstrate the Effectiveness of a NovelNAICS 541715, PSC AJ11 | $1,115,844 |
| W912HQ24C0033Definitive Contract, February 13, 2024, Full and Open Competition, 111 offersSolicitation | W4LD USA HecsaDepartment of the Army | Serdp Project No. ER23-3713NAICS 541715, PSC AJ11 | $1,082,846 |
| W912HQ24C0081Definitive Contract, August 7, 2024, Full and Open Competition, 55 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER24-8200. Title - Two Pfas Remediation Models for Understanding and Managing Pfas in the Saturated Zone. Objective - Develop NAICS 541715, PSC AJ11 | $876,438 |
| W912HQ23C0083Definitive Contract, May 8, 2025, Full and Open Competition, 57 offers | W4LD USA HecsaDepartment of the Army | Estcp Project ER23-7754. Mod 1 to Add $240,000 in Funding and Update Program Office Address. Project Title & Goal - Assessing Mass DischargeNAICS 541715, PSC AJ11 | $869,884 |
| W912HQ25C0013Definitive Contract, December 2, 2024, Full and Open Competition, 55 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER24-8358 Title: Bioaccumulation Protocol for Integrating Results from Abiotic and Biotic Materials with Geochemistry for SiteNAICS 541715, PSC AJ11 | $666,272 |
| W912HQ23C0069Definitive Contract, July 26, 2024, Full and Open Competition, 111 offers | W4LD USA HecsaDepartment of the Army | Serdp Project ER23-3741 Incremental FundingNAICS 541715, PSC AJ11 | $632,237 |
| W912HQ25C0045Definitive Contract, May 14, 2025, Full and Open Competition, 62 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp ER25-8813 Assessing Per- and Polyfluoroalkyl Substances (Pfas) Background Concentrations and Mass Discharges as a Framework for ImprovNAICS 541715, PSC AJ11 | $630,824 |
| W912HQ23C0012Definitive Contract, October 10, 2024, Full and Open Competition, 1 offers | W4LD USA HecsaDepartment of the Army | Estcp ER22-7363 Gsi Environmental. Mod 2 Purpose: Final Funding. Project Title: Rapid and Inexpensive Delivery of Particulate Carbon for in NAICS 541715, PSC AJ12 | $626,136 |
| N3943025C0004Definitive Contract, July 22, 2025, Full and Open Competition, 4 offersSolicitation | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Need NO.2 Conservation of Natural ResourcesNAICS 541715, PSC AJ13 | $350,824 |
| W912HQ25C0041Definitive Contract, May 5, 2025, Full and Open Competition, 34 offersSolicitation | W4LD USA HecsaDepartment of the Army | Estcp Project ER25-8746 "collecting and Communicating Pfas Remediation Performance Via a Web Based Estcp Tool"NAICS 541715, PSC AJ11 | $339,385 |
| N3943022C2419Definitive Contract, August 21, 2024, Full and Open Competition, 4 offers | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | BAA Need Topic No. 6NAICS 541715, PSC AH52 | $277,906 |
| N3943025C2002Definitive Contract, February 7, 2025, Full and Open Competition, 1 offersSolicitation | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Incremental FundingNAICS 541715, PSC AJ13 | $269,988 |
| W912HQ22C0005Definitive Contract, April 30, 2024, Full and Open Competition, 1 offers | W4LD USA HecsaDepartment of the Army | ER21-5136 Gsi Environmental INC "nanofiltration Followed by Electrical Discharge Plasma for Destruction of Pfas and Co-Contaminants in GrounNAICS 541715, PSC AJ12 | $245,257 |
| N3943024C2013Definitive Contract, April 19, 2024, Full and Open Competition, 2 offersSolicitation | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Serdp ER23-C4-3904 Attenuation MechanismNAICS 541715, PSC AH13 | $197,565 |
| N3943024C2020Definitive Contract, September 10, 2024, Full and Open Competition, 10 offersSolicitation | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Broad Agency Announcement (Baa) ContractNAICS 541715, PSC AJ13 | $187,971 |
| W912HQ22C0093Definitive Contract, September 9, 2025, Full and Open Competition, 1 offers | W4LD USA HecsaDepartment of the Army | Serdp ER22-3221 Gsi Gas Sparging Directly in Aquifers to Remove or Sequester Per- and Polyfluoroalkyl Substances (Pfas) - Eeo ModificationNAICS 541715, PSC AJ12 | $176,738 |
| N3943022C2409Definitive Contract, February 28, 2024, Full and Open Competition, 4 offers | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Replace Obsolete Gfe Dfars ClauseNAICS 541715, PSC AJ13 | $173,165 |
| FA930226P0003Purchase Order, February 27, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | FA9302 Aftc PZZDepartment of the Air Force | SBIR Phase 1 - Sage: a System for Ai-Guided Environmental ReviewNAICS 541715, PSC AC22 | $139,972 |
| N3943026C5001Definitive Contract, March 11, 2026, Full and Open Competition, 1 offersSolicitation | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Frameworks for Assessing the Impact of Extreme Weather Events at Environmental Restoration SitesNAICS 541715, PSC AJ11 | $100,000 |
| 33314326P00532700Purchase Order, January 14, 2026, Competed Under SAP, 1 offers | National Zoological ParkSmithsonian Institution | Analytical Services for CSSNAICS 541620, PSC B510 | $46,200 |
| FA890322C0001Definitive Contract, January 8, 2025, Full and Open Competition, 29 offers | FA8903 772 Ess PKDepartment of the Air Force | Integrated Analysis of Existing Data to Maximize High-Resolution Site Characterization Knowledge.NAICS 541715, PSC AJ12 | $0 |
| FA890322C0026Definitive Contract, July 7, 2025, Full and Open Competition, 77 offers | FA8903 772 Ess PKDepartment of the Air Force | Applicability Comparison of Two Common Used Modeling Systems for Simulating Pfas Fate and TransportNAICS 541715, PSC AJ12 | $0 |
| N3943022C2442Definitive Contract, January 24, 2024, Full and Open Competition, 1 offers | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | Modification to Extend Period of PerformanceNAICS 541715, PSC AJ13 | $0 |
| W912HQ20C0089Definitive Contract, September 26, 2024, Full and Open Competition, 92 offers | W4LD USA HecsaDepartment of the Army | Serdp ER20-1429 NCTXNAICS 541715, PSC AH91 | $0 |
| N3943018C2077Definitive Contract, July 10, 2024, Not Competed, 1 offers | NAVFAC Systems and Exp Warfare CTRDepartment of the Navy | De-Scoping of Contracting for Optimized Remediation Performance at Navy Complex Sites.NAICS 541714, PSC AH92 | -$18,680 |
- Places of performance
- TexasVirginiaCaliforniaColorado
- Product and service codes
- AJ11 General Science And Technology R&D Services; General Science And Technology; Basic ResearchAJ12 General Science And Technology R&D Services; General Science And Technology; Applied ResearchAJ13 General Science & Technology R&D Svcs; General Science & Technology; Experimental DevelopmentAH52 Natural Resources And Environment R&D Services; Other Natural Resources; Applied ResearchAH13 Natural Resources And Environment R&D Services; Water Resources; Experimental DevelopmentAC22 National Defense R&D Services; Atomic Energy Defense Activities; Applied Research
- Transactions
- 78 across 29 awards