| | CREARE LLC | GEOSPATIAL WEATHER-AFFECTED TERRAIN CONDITIONS AND HAZARDS (GEOWATCH) ENHANCEMENTS, PRODUCT EXPANSION AND TRANSITION II CONTRACT | IDC | $10,663,405 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 20, 2024 | Sep 20, 2024 | Sep 19, 2025 |
| | TAYLOR-WOOLPERT, LLC | CHL PROFESSIONAL SERVICES IDIQ | IDC | $49,400,000 | DEPT OF THE ARMY | US ARMY CORPS OF ENGINEERS - CIVIL PROGRAM FINANCING ONLY | SBA | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 19, 2023 | Sep 19, 2023 | — |
| | CREARE LLC | GEOWATCH IDIQ | IDC | $2,500,000 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Dec 16, 2022 | Dec 16, 2022 | Jan 31, 2028 |
| | UMPQUA RESEARCH COMPANY | UMPQUA RESEARCH COMPANY | BPA | $0 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 541380Testing Laboratories and Services | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | May 3, 2012 | May 3, 2012 | May 1, 2017 |
| | RESEARCH TRIANGLE INSTITUTE | SCIENTIFIC, TECHNICAL, RESEARCH, ENGINEERING,
AND MODELING SUPPORT (STREAMS) | IDC | $50,000,000 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 27, 2005 | Sep 27, 2005 | Sep 30, 2011 |
| | BATTELLE MEMORIAL INSTITUTE | SCIENTIFIC, TECHNICAL, RESEARCH, ENGINEERING, AND MODELING SUPPORT (STREAMS) | IDC | $50,000,000 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 27, 2005 | Sep 27, 2005 | — |
| | TETRA TECH INC. | SCIENTIFIC, TECHNICAL, RESEARCH, ENGINEERING,
AND MODELING SUPPORT (STREAMS) | IDC | $50,000,000 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 27, 2005 | Sep 27, 2005 | Sep 30, 2011 |
| | EASTERN RESEARCH GROUP INC | SCIENTIFIC, TECHNICAL, RESEARCH, ENGINEERING,
AND MODELING SUPPORT (STREAMS) | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 27, 2005 | Sep 27, 2005 | — |
| | THE CADMUS GROUP LLC | SCIENTIFIC, TECHNICAL, RESEARCH, ENGINEERING,
AND MODELING SUPPORT (STREAMS) | IDC | $50,000,000 | ENVIRONMENTAL PROTECTION AGENCY | ENVIRONMENTAL PROTECTION AGENCY | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 27, 2005 | Sep 27, 2005 | Sep 30, 2011 |
| | NEPTUNE AND COMPANY, INCORPORATED | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | 541710 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Mar 15, 2003 | Mar 15, 2003 | — |
| | PROXTRONICS, INC. | — | IDC | $0 | DEPT OF THE AIR FORCE | — | 8A | 514199 | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Apr 4, 2002 | Apr 4, 2002 | Nov 15, 2002 |
| | CINCINNATI UNIV OF | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Feb 15, 2001 | Feb 15, 2001 | Sep 30, 2006 |
| | NATIONAL RECOVERY TECHNOLOGIES, LLC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Sep 15, 1999 | Sep 15, 1999 | Sep 15, 2000 |
| | MEDIA AND PROCESS TECHNOLOGY INC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | COMPACT MEMBRANE SYSTEMS INC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | MEDIA AND PROCESS TECHNOLOGY INC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | TDA RESEARCH, INC. | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | MEDIA AND PROCESS TECHNOLOGY INC | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Aug 15, 1999 | Aug 15, 1999 | Sep 15, 2000 |
| | I T CORPORATION | — | IDC | $0 | ENVIRONMENTAL PROTECTION AGENCY | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | May 15, 1999 | May 15, 1999 | May 15, 2004 |
| | EARTH TECH INC | — | IDC | $0 | NATIONAL PARK SERVICE | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Dec 15, 1997 | Dec 15, 1997 | Jan 15, 1998 |
| | VERSAR, INC. | — | IDC | $0 | DEPT OF THE AIR FORCE | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Jun 15, 1997 | Jun 15, 1997 | Aug 15, 1998 |
| | ARINC INCORPORATED | — | IDC | $0 | DEPT OF THE AIR FORCE | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Jan 15, 1997 | Jan 15, 1997 | Sep 15, 1997 |
| | MACTEC FEDERAL PROGRAMS INC | — | IDC | $0 | — | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Jan 15, 1997 | Jan 15, 1997 | Mar 15, 1997 |
| | BATTELLE MEMORIAL INSTITUTE | — | IDC | $0 | — | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Jun 15, 1996 | Jun 15, 1996 | Sep 15, 1996 |
| | IT CORPORATION 3 | — | IDC | $0 | — | — | — | — | AH11NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; WATER RESOURCES; BASIC RESEARCH | Oct 15, 1995 | Oct 15, 1995 | Sep 15, 1998 |