Definitive Contract N3943022C2409
- Not listed
- GSI Environmental Inc., a Houston-based environmental engineering and consulting firm specializing in PFAS (per- and polyfluoroalkyl substances) remediation and environmental technology development, has been awarded a $269,988 firm fixed-price definitive contract by Naval Facilities Engineering Command (NAVFAC). The contract, awarded on February 7, 2025, with an ultimate completion date of February 9, 2028, will be performed in Houston, Texas. This award reflects no set-aside designation and...
- GSI Environmental Inc. was awarded a $470,855 cost-plus-fixed-fee definitive contract by the Department of the Navy Naval Facilities Engineering Command to provide services and methodologies in response to a Broad Agency Announcement for Innovative Environmental Technologies and Methodologies focused on PFAS groundwater plume modeling. Specifically, GSI Environmental will develop conceptual groundwater contamination models and demonstrate PFAS remediation technologies to support the Navy's...
- This federal contract award to GSI Environmental Inc., a for-profit environmental engineering and consulting firm based in Houston, Texas, was issued by the Naval Facilities Engineering Command (NAVFAC). The contract, which is a Definitive Contract with a Cost Plus Fixed Fee pricing type, has a ceiling value of $2,200,324.00 and extends the period of performance from January 30, 2026, to January 30, 2027. The contract was awarded under a Broad Agency Announcement (BAA) seeking innovative...
- This federal contract was awarded by the Naval Facilities Engineering and Expeditionary Warfare Center (NEXWC), a subordinate command of the Naval Facilities Engineering Command (NAVFAC), to GSI Environmental Inc., a for-profit environmental engineering and science consulting firm, for the "Treatment Potential of PFAS Plumes" project. The contract, valued at $1,691,968.00, is a Definitive Contract with a Cost Plus Fixed Fee pricing type. It has an ultimate completion date of June 30,...
- GSI Environmental Inc., a Houston-based environmental engineering and consulting firm, has been awarded a $887,767 cost-plus-fixed-fee contract by the Humphreys Engineer Center Support Activity (a Defense agency) under the Environmental Security Technology Certification Program (ESTCP). The contract, designated ESTCP ER25-8813, is focused on assessing per- and polyfluoroalkyl substances (PFAS) background concentrations and mass discharges to establish a framework for improved site management....
- This is a $2,163,927.00 cost-plus-fixed-fee contract awarded by the U.S. Army Corps of Engineers to GSI Environmental Inc., a for-profit environmental engineering and consulting firm, for an Environmental Security Technology Certification Program (ESTCP) project. The contract, which does not have a set-aside designation, is for an in situ vessel permeable reactive barrier with new high-efficiency, replaceable sorbents for per- and polyfluoroalkyl substances (PFAS) plume control. The project aims...
- This is a definitive contract awarded by the Naval Facilities Engineering Command (NAVFAC), a defense agency, to GSI Environmental Inc., a for-profit environmental engineering and science consulting firm. The contract, valued at $2,055,103.90, is for the optimization of remedies at the Navy's legacy sites. The contract has no set-aside designation and utilizes a cost-plus-fixed-fee pricing type. GSI Environmental has established a strong presence in federal contracting, particularly in...
- This is a $654,319.00 firm-fixed-price contract awarded by the U.S. Army Corps of Engineers, Humphreys Engineer Center Support Activity, to GSI Environmental Inc., a for-profit environmental engineering and science consulting firm. The contract is for the characterization of per- and polyfluoroalkyl substances (PFAS) in environmental media. It does not have a set-aside designation. GSI Environmental has a strong track record of supporting the Department of Defense, including through the...
- This federal contract award, valued at $1,159,573.00, was issued by the U.S. Army Corps of Engineers to GSI Environmental Inc., an environmental engineering and consulting firm. The contract is for a project under the Environmental Security Technology Certification Program (ESTCP) titled "LAST PIECE OF THE PUZZLE: SEPARATING AND DESTROYING SHORT- CHAINED PFAS FROM WASTE STREAMS BY COMBINING COLLOIDAL GAS APHRONS (CGAS) WITH PLASMA". This project aims to demonstrate innovative...
- This is a $1,422,728 cost-plus-fixed-fee contract awarded by the U.S. Army Corps of Engineers' Humphreys Engineer Center Support Activity to GSI Environmental Inc., a for-profit environmental engineering and consulting firm headquartered in Houston, Texas. The contract is for ESTCP Project ER23-7754, "Assessing Mass Discharge from PFAS Vadose vs. Saturated Zone vs. Matrix Diffusion Sources to Improve Conceptual Models and DoD RI/FS." The goal is to develop innovative technologies for...
The U.S. Navy's Naval Facilities Engineering Command awarded GSI Environmental Inc. a $447,015 firm fixed-price contract on May 6, 2022, to perform closed-loop in situ soil flushing at per- and polyfluoroalkyl substances (PFAS) impacted sources at Naval Construction Battalion Center Port Hueneme, California. This definitive contract, which does not utilize a set-aside designation, represents an increase in scope of work for the environmental remediation effort and is scheduled for completion by September 30, 2026. GSI Environmental Inc., a Houston-based environmental engineering and consulting firm specializing in PFAS remediation, is well-positioned to execute this work given its extensive experience as a prime contractor on Department of Defense environmental projects, including programs administered through the Environmental Security Technology Certification Program (ESTCP) and Strategic Environmental Research and Development Program (SERDP). The contract supports the Navy's environmental remediation mission to address PFAS contamination at the California installation through an innovative closed-loop soil flushing technology. GSI Environmental's established track record includes multiple awards from the Naval Facilities Engineering Command, Army Corps of Engineers, and Air Force Civil Engineer Center for developing and demonstrating advanced environmental remediation technologies, with frequent collaboration with leading research and engineering subcontractors. This engagement aligns with the Department of Defense's strategic priority to remediate PFAS-contaminated sites across its real estate portfolio using proven, cost-effective treatment methodologies.
Mod # | Description | ReasonForModification | Federal Obligation | Date |
|---|---|---|---|---|
| P00008 | Supplemental Agreement for work within scope | $47.9k | 9/22/25 | |
| P00007 | Supplemental Agreement for work within scope | $0 | 6/9/25 | |
| P00006 | Other Administrative Action | $0 | 3/13/25 | |
| P00005 | Other Administrative Action | $0 | 2/27/25 | |
| P00004 | Change Order | $0 | 7/11/24 |