| | ENTHALPY ANALYTICAL, LLC | CHEMICAL ANALYTICAL SERVICES MASTER BPA - ENTHALPY ANALYTICAL LLC | BPA | $1,376,275 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 29, 2025 | Sep 30, 2025 | Sep 29, 2030 |
| | EUROFINS LANCASTER LABORATORIES ENVIRONMENT TESTING, LLC | — | BPA | $1,376,275 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 29, 2025 | Sep 30, 2025 | Sep 29, 2030 |
| | ENVIRONMENTAL SCIENCE LLC | CHEMICAL ANALYTICAL SERVICES MASTER BPA - ENVIRONMENTAL SCIENCE LLC | BPA | $1,376,275 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 26, 2025 | Sep 30, 2025 | Sep 29, 2030 |
| | SGS NORTH AMERICA INC. | — | BPA | $1,376,275 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541380Testing Laboratories and Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 26, 2025 | Sep 30, 2025 | — |
| | ENVIRONMENTAL ASSESSMENT SERVICES, LLC | — | IDC | $8,400,000 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | 8AN | 541620Environmental Consulting Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | May 9, 2025 | May 9, 2025 | — |
| | BROADWAY VENTURES, LLC | RESEARCH AND DEVELOPMENT FOR THE ENVIRONMENTAL LABORATORY ENVIRONMENTAL ENGINEERING BRANCH
RALC U433D10 | IDC | $3,921,751 | DEPT OF THE ARMY | DEPT OF THE ARMY | 8AN | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Aug 29, 2024 | Aug 29, 2024 | Aug 28, 2029 |
| | GSI NORTH AMERICA INC | RESEARCH AND DEVELOPMENT FOR THE ENVIRONMENTAL LABORATORY AQUATIC ECOLOGY AND INVASIVE SPECIES RESEARCH U433000 | IDC | $4,376,764 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | 8AN | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Jul 31, 2024 | Jul 17, 2024 | Jul 31, 2029 |
| | CREDERE ASSOCIATES, LLC | R&D SERVICES IN THE AREA OF RISK AND ASSESSMENT AND DECISION-MAKING PROCESSES. RALC U433000. | IDC | $4,491,599 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | 8AN | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Jun 1, 2023 | Jun 1, 2023 | — |
| | CREDERE ASSOCIATES, LLC | — | IDC | $4,500,000 | DEPT OF THE ARMY | DEPT OF THE ARMY | 8AN | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Mar 10, 2023 | Mar 15, 2023 | — |
| | FLORIDA INTERNATIONAL UNIVERSITY | — | IDC | $1,993,143 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Jun 16, 2022 | Jun 27, 2022 | — |
| | DJM CONSTRUCTION CO., INC. | — | IDC | $0 | DEPT OF THE ARMY | — | 8AN | 562910Remediation Services | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Aug 28, 2001 | Aug 28, 2001 | Jun 15, 2002 |
| | INFORMATICS CORPORATION | — | IDC | $0 | ENERGY, DEPARTMENT OF | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 29, 2000 | Sep 29, 2000 | Sep 17, 2003 |
| | VERSAR, INC. | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Mar 15, 2000 | Mar 15, 2000 | Sep 15, 2002 |
| | EASTERN RESEARCH GROUP INC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Feb 15, 2000 | Feb 15, 2000 | Sep 15, 2002 |
| | RESEARCH TRIANGLE INSTITUTE | — | IDC | $13,142,908 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Nov 15, 1999 | Nov 15, 1999 | Sep 15, 2004 |
| | NEPTUNE AND COMPANY, INCORPORATED | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Nov 15, 1999 | Nov 15, 1999 | Sep 15, 2004 |
| | DEWBERRY CONSULTANTS LLC | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | May 18, 1999 | May 18, 1999 | Aug 15, 1999 |
| | NORTHSTAR GROUP SERVICES, INC. | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Sep 29, 1998 | Sep 29, 1998 | Jun 15, 1999 |
| | LEIDOS, INC. | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Apr 16, 1998 | Apr 16, 1998 | Nov 15, 1998 |
| | Environmental Quality Management, Inc | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Mar 17, 1998 | Mar 17, 1998 | Sep 15, 1998 |
| | MICHIGAN BTECHNOLOGY INST | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Jul 15, 1997 | Jul 15, 1997 | Dec 15, 1997 |
| | UNIVERSITY OF CINCINNATI (INC) | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Jun 11, 1997 | Jun 11, 1997 | Jun 15, 1998 |
| | WESTON, ROY F INC | — | IDC | $0 | DEPT OF THE ARMY | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Dec 15, 1996 | Dec 15, 1996 | Jul 15, 1996 |
| | DEHON INC | — | IDC | $0 | — | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Apr 15, 1996 | Apr 15, 1996 | Aug 15, 1996 |
| | THE BOARD OF TRUSTEES OF THE U | — | IDC | $0 | — | — | — | — | AH12NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; APPLIED RESEARCH | Feb 15, 1996 | Feb 15, 1996 | Dec 15, 1996 |