| | WATER/WASTEWATER CHEMICALS FOR YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $139,252 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Apr 9, 2026 | Apr 9, 2026 | Oct 31, 2026 |
| | DELIVERY ORDER FOR THE PURCHASE OF WATER/WASTEWATER CHEMICALS FOR YELLOWSTONE NATIONAL PARK ISSUED AGAINST IDIQ CONTRACT #140P1421D0009. | HAWKINS, INC. | $158,013 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Apr 10, 2025 | Apr 10, 2025 | Oct 31, 2025 |
| | YELL- WATER/WASTEWATER CHEMICAL ORDERS FOR AUGUST, SEPTEMBER AND OCTOBER 2024 | HAWKINS, INC. | $74,753 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Aug 27, 2024 | Aug 27, 2024 | Nov 8, 2024 |
| | YELL IDIQ HAWKINS WATER/WASTEWATER CHEMICAL ORDER JULY 2024 | HAWKINS, INC. | $19,464 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 25, 2024 | Jul 25, 2024 | Aug 9, 2024 |
| | YELL WATER/WASTEWATER CHEMICAL PURCHASE JUNE 2024 | HAWKINS, INC. | $18,059 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jun 18, 2024 | Jun 18, 2024 | Jul 5, 2024 |
| | YELL - HAWKINS WATER/WASTEWATER CHEMICAL ORDER MAY 2024 | HAWKINS, INC. | $20,277 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | May 31, 2024 | May 31, 2024 | Jun 7, 2024 |
| | YELL PURCHASE WATER/WASTE WATER CHEMICALS FOR YELLOWSTONE NATIONAL PARK, AUG-SEPT-OCT 2023 | HAWKINS, INC. | $70,699 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Aug 24, 2023 | Aug 24, 2023 | Nov 10, 2023 |
| | YELL- HAWKINS CHEMICAL-JULY 2023 | HAWKINS, INC. | $21,782 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 26, 2023 | Jul 26, 2023 | Aug 12, 2023 |
| | YELL- HAWKINS CHEMICAL JUNE 2023 | HAWKINS, INC. | $33,763 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jun 22, 2023 | Jun 22, 2023 | Jul 21, 2023 |
| | YELL - HAWKINS CHEMICAL ORDER FOR WATER/WASTEWATER TREATMENT MAY 2023 | HAWKINS, INC. | $23,861 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | May 3, 2023 | May 3, 2023 | May 26, 2023 |
| | PURCHASE OF WATER/WASTE WATER CHEMICALS FOR AUGUST/SEPTEMBER/OCTOBER 2022 FOR YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $53,097 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Aug 24, 2022 | Aug 24, 2022 | Nov 11, 2022 |
| | DELIVERY ORDER FOR WATER/WASTEWATER CHEMICALS JULY 2022, YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $18,693 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 27, 2022 | Jul 27, 2022 | Aug 19, 2022 |
| | DELIVERY ORDER FOR WATER/WASTE WATER CHEMICALS JUNE 2022, YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $13,609 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jun 17, 2022 | Jun 17, 2022 | Jul 29, 2022 |
| | DELIVERY ORDER FOR WATER/WASTE WATER CHEMICALS FOR MAY 2022, YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $10,013 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | May 24, 2022 | May 24, 2022 | Jun 27, 2022 |
| | TASK ORDER AGAINST IDIQ 140P1421D0009 WATER/WASTE WATER CHEMICALS FOR YELLOWSTONE NATIONAL PARK, APRIL 2022. | HAWKINS, INC. | $18,777 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Apr 28, 2022 | Apr 28, 2022 | May 31, 2022 |
| | HAWKINS CHEMICALS WATER/WASTEWATER FOR AUGUST THROUGH OCTOBER 2021, YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $48,307 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Aug 12, 2021 | Aug 12, 2021 | Oct 31, 2021 |
| | TASK ORDER FOR DELIVERY OF WATER/WASTEWATER CHEMICALS FOR JULY 2021 YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $13,622 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 12, 2021 | Jul 12, 2021 | Jul 31, 2021 |
| | MINIMUM GUARANTEE TASK ORDER FOR IDIQ CHEMICALS WATER/WASTEWATER YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $0 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 6, 2021 | Aug 1, 2021 | Aug 26, 2021 |
| | TASK ORDER AGAINST IDIQ FOR JUNE WATER/WASTEWATER TREATMENT CHEMICALS DELIVERED TO YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $12,424 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jun 15, 2021 | Jun 15, 2021 | Jul 15, 2021 |
| | X:NOGRN CHEMICAL FOR WASTE WATER TREATMENT PLANT YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $5,595 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | May 24, 2021 | May 24, 2021 | Jun 7, 2021 |
| | X:NOGRN WATER TREATMENT CHEMICALS FOR YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $19,108 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Apr 20, 2021 | Apr 20, 2021 | May 20, 2021 |
| | SUPPLY, PURCHASE WASTEWATER CHEMICALS FOR EVERGLADES NP W OPTIONS | HAWKINS, INC. | $228,393 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Feb 22, 2021 | Feb 23, 2021 | Aug 23, 2026 |
| | X:NOGRN WATER TREATMENT CHEMICALS IDIQ DELIVERIES FOR SEPT/OCT FOR YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $33,687 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Sep 3, 2020 | Sep 14, 2020 | Oct 23, 2020 |
| | X:NOGRN HAWKINS CHEMICAL AUGUST 2020 FOR YELLOWSTONE NATIONAL PARK | HAWKINS, INC. | $15,691 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Aug 18, 2020 | Aug 18, 2020 | Oct 19, 2020 |
| | MINIMUM GUARANTEE TASK ORDER FOR IDIQ 140P1420D0010, SUBJECT HAWKINS WATER TREATMENT CHEMICALS FOR YELLOWSTONE NATIONAL PARK. | HAWKINS, INC. | $0 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 6810CHEMICALS | Jul 29, 2020 | Aug 1, 2020 | Aug 31, 2020 |