| | CA-SONNY BONO NWR-DRAIN TILE LINE REPAIR | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $8,391 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 541990All Other Professional, Scientific, and Technical Services | Z2KZREPAIR OR ALTERATION OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES | Apr 1, 2025 | Apr 1, 2025 | Apr 30, 2025 |
| | CA-SONNY BONO NWR-DRAIN TILE LINE REPAIR | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $7,538 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 541990All Other Professional, Scientific, and Technical Services | Z2KBREPAIR OR ALTERATION OF CANALS | Dec 1, 2023 | Dec 1, 2023 | Dec 18, 2023 |
| | USFWS SONO BONO SALTON SEA NWR SSJ FOR URGENT DRAIN TILE LINE REPAIRS | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $4,036 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | Z2QAREPAIR OR ALTERATION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) | Nov 30, 2022 | Nov 30, 2022 | Dec 31, 2022 |
| | CA SONNY BONO NWR DRAIN CLEAN/MAINT | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $130,701 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Sep 24, 2021 | Sep 24, 2021 | Sep 23, 2026 |
| | IGF::OT::IGF TILE INSTALL | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $13,140 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 237990Other Heavy and Civil Engineering Construction | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Sep 3, 2015 | Sep 3, 2015 | Dec 31, 2015 |
| | IGF::OT::IGF TILE DRAIN CLEANING AND REPAIRING | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $88,825 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 237990Other Heavy and Civil Engineering Construction | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | May 26, 2015 | May 26, 2015 | Dec 31, 2015 |
| | TILE DRAIN CLEANING | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $46,600 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238990All Other Specialty Trade Contractors | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Sep 17, 2012 | Sep 17, 2012 | Oct 31, 2012 |
| | TILE DRAIN REPAIR. | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $1,200 | US FISH AND WILDLIFE SERVICE | — | — | 115112Soil Preparation, Planting, and Cultivating | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | May 5, 2009 | May 5, 2009 | Sep 30, 2009 |
| | — | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $1,000 | US FISH AND WILDLIFE SERVICE | — | — | 115112Soil Preparation, Planting, and Cultivating | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Jan 12, 2009 | Jan 12, 2009 | Mar 31, 2009 |
| | RESERVOIR CLEANING | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $1,000 | US FISH AND WILDLIFE SERVICE | — | — | 115112Soil Preparation, Planting, and Cultivating | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Oct 18, 2004 | Oct 18, 2004 | — |
| | T13-257 | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $800 | US FISH AND WILDLIFE SERVICE | — | — | 115112Soil Preparation, Planting, and Cultivating | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Oct 18, 2004 | Oct 18, 2004 | — |
| | DRAIN TILE CLEANING | CLAYTON'S DRAIN TILE MAINTENANCE, INC. | $197,589 | US FISH AND WILDLIFE SERVICE | — | — | 234910 | Z219 | Aug 25, 2004 | Aug 25, 2004 | Sep 24, 2008 |