| | DIESEL AMERICA WEST, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $2,605,073 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 333912Air and Gas Compressor Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | May 21, 2026 | May 26, 2026 | May 25, 2031 |
| | XELERA, INC. | — | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Mar 12, 2026 | Mar 12, 2026 | Mar 11, 2031 |
| | G2 LABORATORIES, LLC | — | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Nov 12, 2025 | Nov 12, 2025 | Nov 11, 2030 |
| | ACTION CHEMICAL, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Nov 12, 2025 | Nov 15, 2025 | — |
| | B. DAVID CO INC | — | FSS | $18,264,864 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Sep 16, 2025 | Oct 1, 2025 | Sep 30, 2030 |
| | WATER FILTER EXCHANGE, INC | — | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jul 31, 2025 | Jul 31, 2025 | Jul 30, 2030 |
| | CHOICECOMM, LLC | — | FSS | $11,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jun 25, 2025 | Jun 25, 2025 | Jun 24, 2030 |
| | AQUAMEDIX, LLC | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jun 2, 2025 | Jun 2, 2025 | Jun 1, 2030 |
| | HIGHLAND ENGINEERING, INC. | BPA BEAR WATER SYSTEMS III | BPA | $55,000,000 | FEDERAL ACQUISITION SERVICE | DEPT OF THE AIR FORCE | — | 333319 | 4630SEWAGE TREATMENT EQUIPMENT | May 28, 2025 | May 28, 2025 | May 27, 2026 |
| | BETA TECHNOLOGY, INC. | — | FSS | $1,918,316 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325612Polish and Other Sanitation Good Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | May 13, 2025 | May 13, 2025 | May 12, 2030 |
| | SYNTEC CORPORATION | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Apr 3, 2025 | Apr 3, 2025 | Apr 2, 2030 |
| | READY ALLIANCE GROUP, INC. | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Mar 26, 2025 | Mar 26, 2025 | Mar 25, 2030 |
| | ATLANTIC ULTRAVIOLET CORPORATION | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Oct 15, 2024 | Oct 15, 2024 | — |
| | CAROLLO ENGINEERS INC | UNITED STATES DENVER MINT WASTEWATER TREATMENT PLANT DESIGN AND INSTALLATION | IDC | $4,000,000 | UNITED STATES MINT | UNITED STATES MINT | — | 423830Industrial Machinery and Equipment Merchant Wholesalers | 4630SEWAGE TREATMENT EQUIPMENT | Sep 25, 2024 | Sep 25, 2024 | Sep 26, 2029 |
| | SAN JOAQUIN CHEMICALS, INC. | — | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Sep 24, 2024 | Sep 24, 2024 | — |
| | XYLEM DEWATERING SOLUTIONS, INC | — | FSS | $750,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Sep 12, 2024 | Sep 23, 2024 | Sep 22, 2029 |
| | ALKOTA OF KANSAS LLC | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | May 17, 2024 | May 17, 2024 | May 16, 2029 |
| | NORCHEM CORP | — | FSS | $475,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Apr 24, 2024 | May 1, 2024 | — |
| | JENKS INC | — | BPA | $400,000 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 332510Hardware Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jan 19, 2024 | Jan 17, 2024 | — |
| | CHEM-AQUA INC | — | FSS | $17,778,616 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Aug 29, 2023 | Sep 1, 2023 | Aug 31, 2028 |
| | UNITED LABORATORIES INC | — | FSS | $532,071 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325612Polish and Other Sanitation Good Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jul 12, 2023 | Oct 1, 2023 | Sep 30, 2028 |
| | AQUALOGIX LLC | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Jul 6, 2023 | Jul 12, 2023 | Jul 11, 2028 |
| | PRAMA, LLC | — | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Apr 20, 2023 | Apr 20, 2023 | — |
| | ASPEN WATER, INC. | — | FSS | $25,000,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Apr 11, 2023 | Apr 21, 2023 | Apr 20, 2028 |
| | GREEN CHEM LABORATORIES LLC | FEDERAL SUPPLY SCHEDULE CONTRACT | FSS | $500,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 325611Soap and Other Detergent Manufacturing | 4630SEWAGE TREATMENT EQUIPMENT | Mar 20, 2023 | Mar 20, 2023 | — |