| | URGENT DOMESTIC WATER PUMP SKID BUILDING 1 | OST SERVICES, LLC | $345,000 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N043INSTALLATION OF EQUIPMENT- PUMPS AND COMPRESSORS | Apr 23, 2026 | Apr 23, 2026 | Apr 22, 2027 |
| | URGENT INSTALLATION AND REMOVAL OF REFRIGERANT MONITORS FOR BUILDING 100 | OST SERVICES, LLC | $39,850 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Mar 31, 2026 | Mar 25, 2026 | Jun 24, 2026 |
| | MOBILE CHILLER | OST SERVICES, LLC | $1,394,185 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4120AIR CONDITIONING EQUIPMENT | Sep 26, 2025 | Sep 26, 2025 | Apr 30, 2026 |
| | INSTALLATION OF DOMESTIC PUMP SKID. | OST SERVICES, LLC | $248,000 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J043MAINT/REPAIR/REBUILD OF EQUIPMENT- PUMPS AND COMPRESSORS | Sep 15, 2025 | Sep 15, 2025 | Sep 14, 2026 |
| | EMERGENCY COOLING TOWER #4 REPAIRS | OST SERVICES, LLC | $91,850 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238210Electrical Contractors and Other Wiring Installation Contractors | J065MAINT/REPAIR/REBUILD OF EQUIPMENT- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES | Sep 8, 2025 | Sep 15, 2025 | Nov 14, 2026 |
| | URGENT STEAM BOILER RENTAL | OST SERVICES, LLC | $369,067 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 532490Other Commercial and Industrial Machinery and Equipment Rental and Leasing | 4410INDUSTRIAL BOILERS | May 20, 2025 | Mar 27, 2025 | Oct 26, 2025 |
| | WATER CHILLER PUMP REPLACEMENT FOR OR AND LABORATORY | OST SERVICES, LLC | $104,250 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | J043MAINT/REPAIR/REBUILD OF EQUIPMENT- PUMPS AND COMPRESSORS | Mar 27, 2025 | Mar 27, 2025 | Sep 26, 2025 |
| | CRITICAL AIR MONITORING | OST SERVICES, LLC | $242,600 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541990All Other Professional, Scientific, and Technical Services | H941OTHER QC/TEST/INSPECT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Dec 13, 2024 | Dec 13, 2024 | Dec 12, 2029 |
| | EMERGENCY REPAIR PRESSURE REDUCING VALVE | OST SERVICES, LLC | $17,885 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N045INSTALLATION OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Nov 20, 2024 | Nov 1, 2024 | Dec 31, 2024 |
| | EMERGENCY RENTAL BOILER INSTALLATION FOR STEAM SYSTEM SHUTDOWN | OST SERVICES, LLC | $48,500 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N045INSTALLATION OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Jul 27, 2024 | Jun 24, 2024 | Nov 25, 2024 |
| | REPLACE ROOF TOP UNIT (RTU) BLDG T56 | OST SERVICES, LLC | $38,650 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Y1DACONSTRUCTION OF HOSPITALS AND INFIRMARIES | Feb 1, 2024 | Feb 1, 2024 | May 10, 2024 |
| | EMERGENCY FISHER HOUSE WATER PUMP. PROVIDE, SET, AND SECURE (1) NEW SYNCROFLO DUPLEX PUMP SKID. | OST SERVICES, LLC | $38,780 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 333914Measuring, Dispensing, and Other Pumping Equipment Manufacturing | 4320POWER AND HAND PUMPS | Dec 5, 2023 | Dec 5, 2023 | Jan 18, 2024 |
| | SECONDARY PUMP #2 REPAIR | OST SERVICES, LLC | $9,855 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Jul 26, 2023 | Jul 25, 2023 | Jul 28, 2023 |
| | INSTALL FAN ARRAY AHU OR 2-7 | OST SERVICES, LLC | $1,272,154 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1DAMAINTENANCE OF HOSPITALS AND INFIRMARIES | Jul 5, 2023 | Jul 5, 2023 | Apr 18, 2024 |
| | EMERGENCY CHILLER AND GEAR REPAIR | OST SERVICES, LLC | $109,590 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Mar 30, 2023 | Mar 30, 2023 | Jul 5, 2023 |
| | PROPONE GAS REPLACEMENT VAPORIZER | OST SERVICES, LLC | $156,985 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 325120Industrial Gas Manufacturing | 6850MISCELLANEOUS CHEMICAL SPECIALTIES | Jan 19, 2023 | Jan 19, 2023 | Dec 30, 2023 |
| | EMERGENCY REPLACEMENT OF TWO YORK AIR COOLER CHILLERS IN BUILDING 30 | OST SERVICES, LLC | $560,000 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2DZREPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS | Sep 21, 2022 | Sep 20, 2022 | May 31, 2023 |
| | MOTOR PUMPS | OST SERVICES, LLC | $27,450 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 333996Fluid Power Pump and Motor Manufacturing | 4310COMPRESSORS AND VACUUM PUMPS | Jun 8, 2022 | Jun 8, 2022 | Jun 10, 2022 |
| | EMERGENCY REPAIR OF COOLING TOWER 6 | OST SERVICES, LLC | $28,480 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J065MAINT/REPAIR/REBUILD OF EQUIPMENT- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES | Jan 24, 2022 | Jan 24, 2022 | Feb 1, 2022 |
| | OR CHILLER | OST SERVICES, LLC | $1,730,999 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 236220Commercial and Institutional Building Construction | Z1DAMAINTENANCE OF HOSPITALS AND INFIRMARIES | Sep 27, 2021 | Sep 27, 2021 | Nov 30, 2022 |
| | SUPPLY AND INSTALL SPS BACK UP CHILLER | OST SERVICES, LLC | $1,150,471 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 236220Commercial and Institutional Building Construction | Z1DAMAINTENANCE OF HOSPITALS AND INFIRMARIES | Jul 1, 2021 | Jun 30, 2021 | Apr 14, 2023 |
| | RENTAL OF CHILLER | OST SERVICES, LLC | $67,300 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Jun 29, 2021 | Jun 30, 2021 | Jul 31, 2021 |
| | REPLACE RTU | OST SERVICES, LLC | $74,680 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 236220Commercial and Institutional Building Construction | Z2DZREPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS | Apr 1, 2021 | Apr 1, 2021 | Apr 30, 2021 |
| | REFRIGERANT MONITOR REPLACEMENT AND INSTALLATION | OST SERVICES, LLC | $22,800 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | May 18, 2020 | May 19, 2020 | Jun 18, 2020 |
| | REPLACE CEP #3 CHILLED WATER PUMP. | OST SERVICES, LLC | $26,500 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 561790Other Services to Buildings and Dwellings | J044MAINT/REPAIR/REBUILD OF EQUIPMENT- FURNACE, STEAM PLANT, AND DRYING EQUIPMENT; NUCLEAR REACTORS | Jun 25, 2019 | Jun 25, 2019 | Jul 19, 2019 |