| | MI-SHIAWASSEE & OTTAWA NWR - AQUATIC INVASIVE AND WOODY VEGETATION HERBICIDE TREATMENT | HAMILTON HELICOPTERS INC | $107,300 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 115112Soil Preparation, Planting, and Cultivating | F001NATURAL RESOURCES/CONSERVATION- AERIAL FERTILIZATION/SPRAYING | Sep 4, 2025 | Sep 4, 2025 | Nov 30, 2026 |
| | INVASIVE AND WOODY VEGETATION HERBICIDE TREATMENT, SHIAWASSEE NWR AND DETROIT RIVER NWR | HAMILTON HELICOPTERS INC | $225,432 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 115310Support Activities for Forestry | F105ENVIRONMENTAL SYSTEMS PROTECTION- PESTICIDES SUPPORT | Sep 24, 2024 | Sep 24, 2024 | Sep 25, 2025 |
| | MI-SN-FF03RSHW00_FY 23 AERIAL SPRAYING | HAMILTON HELICOPTERS INC | $87,360 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 115310Support Activities for Forestry | F001NATURAL RESOURCES/CONSERVATION- AERIAL FERTILIZATION/SPRAYING | Sep 20, 2023 | Sep 20, 2023 | Nov 15, 2024 |
| | MI FWS SHIAWASSEE NWR AERIAL SPRAYING | HAMILTON HELICOPTERS INC | $87,700 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 115310Support Activities for Forestry | F001NATURAL RESOURCES/CONSERVATION- AERIAL FERTILIZATION/SPRAYING | Sep 23, 2021 | Sep 23, 2021 | Nov 15, 2022 |
| | IGF::OT::IGF AERIAL TREATMENT | HAMILTON HELICOPTERS INC | $9,782 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 115310Support Activities for Forestry | F105ENVIRONMENTAL SYSTEMS PROTECTION- PESTICIDES SUPPORT | Sep 18, 2017 | Sep 18, 2017 | Oct 1, 2017 |
| | HERBICIDE APPLICATION FOR PHRAGMITES AND HYBRID TYPHA (CATTAILS). SERVICES. | HAMILTON HELICOPTERS INC | $9,753 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 325320Pesticide and Other Agricultural Chemical Manufacturing | F006NATURAL RESOURCES/CONSERVATION- LAND TREATMENT PRACTICES | Sep 17, 2012 | Sep 17, 2012 | Oct 15, 2012 |
| | AERIAL PESTICIDE SPRAYING FOR PHRAGMITES REMOVAL. | HAMILTON HELICOPTERS INC | $0 | U.S. Fish and Wildlife Service | U.S. Fish and Wildlife Service | — | 115112Soil Preparation, Planting, and Cultivating | F001NATURAL RESOURCES/CONSERVATION- AERIAL FERTILIZATION/SPRAYING | Sep 11, 2010 | Sep 11, 2010 | Dec 31, 2010 |