| | PLUMBING REPAIRS FOR ICE WHIPPLE BUILDING, 1 FEDERAL BUILDING FORT SNELLING SAINT PAUL, MINNESOTA | HORWITZ LLC | $14,225 | US IMMIGRATION AND CUSTOMS ENFORCEMENT | US IMMIGRATION AND CUSTOMS ENFORCEMENT | — | 423720Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Sep 17, 2025 | Sep 17, 2025 | Nov 16, 2025 |
| | MN-VLY NWR-EMERGENCY HVAC REPAIR | HORWITZ LLC | $21,108 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2AZREPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | Jan 16, 2024 | Jan 16, 2024 | Feb 29, 2024 |
| | MN-MINNESOTA VLY NWR- HVAC PREV MAINTENANCE | HORWITZ LLC | $35,808 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Dec 22, 2023 | Dec 22, 2023 | Jan 2, 2028 |
| | HVAC MAINTENANCE PLAN SERVICES - USFWS MINNESOTA VALLEY NWR - MN | HORWITZ LLC | $186,030 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Jan 4, 2023 | Jan 4, 2023 | Dec 31, 2027 |
| | MN-MN VLY NWR-HVAC GEOTHERMAL REPAIR | HORWITZ LLC | $30,595 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2AZREPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | Sep 14, 2021 | Apr 30, 2021 | Sep 15, 2021 |
| | SERVICE - EMERGENCY WATER HEATER REPLACEMENT AT MN VALLEY NWR | HORWITZ LLC | $14,965 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Mar 27, 2019 | Mar 27, 2019 | May 1, 2019 |
| | FURNACE PURCHASE&INSTALLATION | HORWITZ LLC | $10,307 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Mar 27, 2017 | Jan 6, 2017 | Apr 30, 2017 |
| | IGF::OT::IGF EMERGENCY REPAIRS TO HVAC SYSTEM DUE TO POWER SURGE | HORWITZ LLC | $7,786 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1NBMAINTENANCE OF HEATING AND COOLING PLANTS | Mar 16, 2016 | Feb 10, 2016 | Sep 30, 2016 |
| | IGF::OT::IGF, EMERGENCY REPAIR FIND&FIX GLYCOL LEAK AT MN VALLEY | HORWITZ LLC | $3,022 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | — | 423720Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers | Z2NBREPAIR OR ALTERATION OF HEATING AND COOLING PLANTS | Feb 1, 2013 | Feb 1, 2013 | Apr 30, 2013 |
| | HEATING PUMPS BLDG 807 | HORWITZ LLC | $3,253 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 423720Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers | 4510PLUMBING FIXTURES AND ACCESSORIES | Sep 30, 2008 | Sep 23, 2008 | Sep 30, 2008 |