| | WATER TREATMENT AND TESTING SERVICES FOR THE NOAA DRC COOLING TOWER. | GARRATT-CALLAHAN COMPANY | $21,660 | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION | — | 325612Polish and Other Sanitation Good Manufacturing | H246EQUIPMENT AND MATERIALS TESTING- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT | May 14, 2026 | May 14, 2026 | May 13, 2031 |
| | GARRATT CALLAHAN | GARRATT-CALLAHAN COMPANY | $90,000 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 339999All Other Miscellaneous Manufacturing | 6810CHEMICALS | Jan 20, 2026 | Jan 20, 2026 | Feb 13, 2026 |
| | EMERGENCY WASTE WATER TESTING | GARRATT-CALLAHAN COMPANY | $18,288 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 221310Water Supply and Irrigation Systems | F103ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT | Dec 15, 2025 | Dec 11, 2025 | Jan 31, 2026 |
| | P1 MONTHLY CHEMICAL FOR WATER TREATMENT FY 26
OCTOBER 1, 2025 THRU SEPTEMBER 30, 2026 | GARRATT-CALLAHAN COMPANY | $11,340 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 924110Administration of Air and Water Resource and Solid Waste Management Programs | 4610WATER PURIFICATION EQUIPMENT | Dec 5, 2025 | Oct 1, 2025 | Sep 30, 2026 |
| | IWTP CHEMICALS - PERLITE AND ANTIFOAM | GARRATT-CALLAHAN COMPANY | $25,824 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Nov 6, 2025 | Nov 6, 2025 | Nov 12, 2025 |
| | MEDVAMC FISHER HOUSE 1 URGENT SERVICE - HYPER CHLORINATION | GARRATT-CALLAHAN COMPANY | $5,500 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541990All Other Professional, Scientific, and Technical Services | H146QUALITY CONTROL- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT | Nov 4, 2025 | Nov 4, 2025 | Feb 3, 2026 |
| | EMERGENCY PROPYLENE GLYCOL BULK AND CORROSION INHIBITOR | GARRATT-CALLAHAN COMPANY | $121,495 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 325199All Other Basic Organic Chemical Manufacturing | 6810CHEMICALS | Oct 30, 2025 | Oct 30, 2025 | Dec 1, 2025 |
| | HPC & LEGIONELLA SAMPLE COLLECTION/ANALYSIS | GARRATT-CALLAHAN COMPANY | $155,800 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing | H146QUALITY CONTROL- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT | Aug 27, 2025 | Aug 27, 2025 | Aug 26, 2026 |
| | SODIUM BISULFATE | GARRATT-CALLAHAN COMPANY | $18,340 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Aug 26, 2025 | Aug 26, 2025 | Aug 29, 2025 |
| | SODIUM BISULFITE | GARRATT-CALLAHAN COMPANY | $18,204 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Apr 9, 2025 | Apr 9, 2025 | Apr 11, 2025 |
| | EMERGENCY WATER TREATMENT | GARRATT-CALLAHAN COMPANY | $18,900 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 221310Water Supply and Irrigation Systems | F103ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT | Apr 3, 2025 | Apr 3, 2025 | May 4, 2025 |
| | GARRATT CALLAHAN | GARRATT-CALLAHAN COMPANY | $59,741 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 339999All Other Miscellaneous Manufacturing | 6810CHEMICALS | Jan 22, 2025 | Jan 22, 2025 | Jan 29, 2025 |
| | SODIUM BISULFITE | GARRATT-CALLAHAN COMPANY | $18,209 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Dec 18, 2024 | Dec 18, 2024 | Dec 23, 2024 |
| | WATER CART SERVICES | GARRATT-CALLAHAN COMPANY | $46,886 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541380Testing Laboratories and Services | H246EQUIPMENT AND MATERIALS TESTING- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT | Nov 18, 2024 | Nov 18, 2024 | Nov 17, 2029 |
| | PERLITE-4TH YEAR OPTION | GARRATT-CALLAHAN COMPANY | $9,540 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | R706SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | Nov 14, 2024 | Nov 14, 2024 | Nov 21, 2024 |
| | CHEMICAL TREATMENT OF CHILLER & BOILER PLANT | GARRATT-CALLAHAN COMPANY | $222,817 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 325612Polish and Other Sanitation Good Manufacturing | J065MAINT/REPAIR/REBUILD OF EQUIPMENT- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES | Oct 21, 2024 | Jan 28, 2025 | Jan 27, 2030 |
| | LEGIONELLA PLUMBING FIXTURES AND ACCESSORIES. | GARRATT-CALLAHAN COMPANY | $107,870 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 334519Other Measuring and Controlling Device Manufacturing | 4510PLUMBING FIXTURES AND ACCESSORIES | Sep 19, 2024 | Sep 16, 2024 | Dec 15, 2024 |
| | MDC GUAYNABO WATER TREATMENT SERVICES FY 2025. GARRATT CALLAHAN CO. GSA, MAS CONTRACT GS-07F-0105Y. | GARRATT-CALLAHAN COMPANY | $22,680 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 541380Testing Laboratories and Services | 4610WATER PURIFICATION EQUIPMENT | Sep 4, 2024 | Oct 1, 2024 | Sep 30, 2025 |
| | ANTIFOAM- 4TH YEAR OPTION | GARRATT-CALLAHAN COMPANY | $15,031 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Aug 19, 2024 | Aug 19, 2024 | Aug 26, 2024 |
| | SODIUM BISULFITE-4TH YEAR OPTION | GARRATT-CALLAHAN COMPANY | $18,340 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Aug 12, 2024 | Aug 12, 2024 | Aug 14, 2024 |
| | NA | GARRATT-CALLAHAN COMPANY | $24,159 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325320Pesticide and Other Agricultural Chemical Manufacturing | 6810CHEMICALS | Jun 10, 2024 | Jun 10, 2024 | Jul 10, 2024 |
| | GARRATT CALLAHAN QUOTE # 1406746 $40,284.61 | GARRATT-CALLAHAN COMPANY | $39,000 | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | — | 221310Water Supply and Irrigation Systems | 6810CHEMICALS | May 21, 2024 | May 21, 2024 | Jun 21, 2024 |
| | SODIUM BISULFITE | GARRATT-CALLAHAN COMPANY | $14,761 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | May 14, 2024 | May 14, 2024 | May 20, 2024 |
| | PERLITE | GARRATT-CALLAHAN COMPANY | $10,906 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Apr 9, 2024 | Apr 9, 2024 | Apr 15, 2024 |
| | SODIUM BISULFITE | GARRATT-CALLAHAN COMPANY | $17,820 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 325180Other Basic Inorganic Chemical Manufacturing | 6810CHEMICALS | Jan 9, 2024 | Jan 9, 2024 | Jan 16, 2024 |