| | AQUA RATING SERVICES IN MONGOLIA | INTERNATIONAL WATER ASSOCIATION | $172,000 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Jan 2, 2026 | Jan 4, 2026 | Jul 29, 2026 |
| | AQUA RATING SERVICES IN MONGOLIA | INTERNATIONAL WATER ASSOCIATION | $93,760 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Apr 21, 2023 | Apr 24, 2023 | Jan 2, 2026 |
| | AQUARATING RE-CERTIFICATION OF GUMA VALLEY WATER COMPANY IN SIERRA LEONE | INTERNATIONAL WATER ASSOCIATION | $78,521 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Sep 26, 2020 | Jan 1, 2021 | Dec 31, 2021 |
| | IWA MONGOLIA II | INTERNATIONAL WATER ASSOCIATION | $550,720 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Jun 12, 2020 | Jun 19, 2020 | Jun 18, 2025 |
| | TASK 4 - TECHNICAL SUPPORT | INTERNATIONAL WATER ASSOCIATION | EAST TIMOR | INTERNATIONAL WATER ASSOCIATION | $126,284 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Jul 26, 2019 | Jul 15, 2019 | Jan 16, 2021 |
| | NEW CONTRACT FOR WSI AQUA-RATING FOR ZAMBIA | INTERNATIONAL WATER ASSOCIATION | $143,000 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R499SUPPORT- PROFESSIONAL: OTHER | Sep 10, 2018 | Aug 24, 2018 | Mar 9, 2020 |
| | IGF::OT::IGF AQUARATING TOOL FOR WATER AND WASTEWATER UTILITIES | INTERNATIONAL WATER ASSOCIATION | $300,000 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Sep 18, 2017 | Sep 18, 2017 | Mar 17, 2020 |
| | IGF::OT::IGF AQUARATING TOOL FOR WATER AND WASTEWATER UTILITIES - SIERRA LEONE THRESHOLD PROGRA, | INTERNATIONAL WATER ASSOCIATION | $237,440 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Aug 17, 2016 | Aug 16, 2016 | Aug 15, 2020 |
| | IGF::OT::IGF AQUARATING TOOL FOR WATER AND WASTEWATER UTILITIES | INTERNATIONAL WATER ASSOCIATION | $99,500 | MILLENNIUM CHALLENGE CORPORATION | MILLENNIUM CHALLENGE CORPORATION | — | 541611Administrative Management and General Management Consulting Services | R799SUPPORT- MANAGEMENT: OTHER | Oct 28, 2015 | Oct 28, 2015 | Jun 30, 2017 |
| | U434ISL RENEWAL OF IWA WATER PACKAGE | INTERNATIONAL WATER ASSOCIATION | $14,680 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 813920Professional Organizations | 7610BOOKS AND PAMPHLETS | Dec 11, 2009 | Dec 11, 2009 | Feb 28, 2011 |
| | GLOBAL WATER RESEARCH | INTERNATIONAL WATER ASSOCIATION | $15,000 | CENTERS FOR DISEASE CONTROL AND PREVENTION | — | — | 541710 | AH33NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; RECREATIONAL RESOURCES; EXPERIMENTAL DEVELOPMENT | May 9, 2005 | May 9, 2005 | Mar 31, 2006 |