| | FAC_FWP1226_MED/GSO_P317_ REPLACEFANCOILUNITS | HWSI GMBH | $70,432 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | May 29, 2026 | May 29, 2026 | Aug 30, 2026 |
| | FAC_FWP1062_X2004_KITCHENREMODELVENTILATIONWORK | HWSI GMBH | $45,258 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | Z2FAREPAIR OR ALTERATION OF FAMILY HOUSING FACILITIES | Sep 22, 2025 | Sep 22, 2025 | Sep 29, 2025 |
| | FAC_BILAT CMR_X2004_ABA PROJECT_HVAC INSTALLATION + PLUMBING | HWSI GMBH | $0 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2FAREPAIR OR ALTERATION OF FAMILY HOUSING FACILITIES | Aug 1, 2025 | Aug 1, 2025 | Sep 30, 2025 |
| | FAC_X521_PLUMBING WORK TO REPAIR BATHTUB | HWSI GMBH | $15,196 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 811412Appliance Repair and Maintenance | C1FAARCHITECT AND ENGINEERING- CONSTRUCTION: FAMILY HOUSING FACILITIES | May 6, 2025 | May 6, 2025 | May 30, 2025 |
| | FAC_VIE_ CHILLER SERVICES_X1001 | HWSI GMBH | $17,431 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1AAMAINTENANCE OF OFFICE BUILDINGS | Nov 18, 2024 | Nov 18, 2024 | Dec 12, 2025 |
| | FAC_VIE_ CENTRAL AC REPLACEMENT_ X6010 | HWSI GMBH | $81,000 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Aug 13, 2024 | Aug 13, 2024 | Aug 30, 2024 |
| | FAC_VIE_PMSC_ SERVICE VENTILATION SYSTEM_ X1001 | HWSI GMBH | $15,945 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | Z1AAMAINTENANCE OF OFFICE BUILDINGS | Jul 16, 2024 | Jul 16, 2024 | Jul 16, 2026 |
| | FAC_VIE RESTORATION MASTER BATHROOMS | HWSI GMBH | $151,578 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 236118Residential Remodelers | Z2QAREPAIR OR ALTERATION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) | May 31, 2024 | May 31, 2024 | Aug 17, 2024 |
| | FAC_VIE RESTORATION SHAFTS+BATHROOMS_X18001 | HWSI GMBH | $238,764 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z2FAREPAIR OR ALTERATION OF FAMILY HOUSING FACILITIES | Feb 6, 2024 | Feb 6, 2024 | Mar 30, 2024 |
| | FAC_VIE_HWSI_AIR CONDITIONER UPGRADE_RATHAUSSTRASSE 7_X3007 | HWSI GMBH | $32,361 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N041INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Sep 16, 2022 | Sep 16, 2022 | Sep 30, 2023 |
| | BASE YEAR OF THE PREVENTIVE MAINTENANCE SERVICES CONTRACT FOR HEATING, VENTILATION, A/C AT VARIOUS USG-OWNED RESIDENCES IN VIENNA | HWSI GMBH | $251,793 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1NBMAINTENANCE OF HEATING AND COOLING PLANTS | Apr 22, 2022 | May 1, 2022 | Mar 10, 2026 |
| | REPLACEMENT OF CENTRAL HEATING SYSTEM AT USG-OWNED RESIDENTIAL BUIDING | HWSI GMBH | $145,231 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1FAMAINTENANCE OF FAMILY HOUSING FACILITIES | Sep 13, 2021 | Sep 13, 2021 | Mar 31, 2022 |
| | FAC_VIE_HWSI_AC EXTENSION FOR OFFICES_P321 | HWSI GMBH | $11,911 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Sep 7, 2021 | Sep 7, 2021 | Dec 31, 2021 |
| | FAC_VIE_DC CAPACITOR ASSEMBLY REPLACEMENT_X1001 | HWSI GMBH | $12,426 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J046MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT | Jul 13, 2021 | Jul 13, 2021 | Sep 30, 2021 |
| | FAC_VIE_ DUST EXHAUST SYSTEM_X1001 | HWSI GMBH | $24,797 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | F101ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT | Jul 13, 2021 | Jul 13, 2021 | Sep 30, 2021 |
| | REPLACEMENT OF AIR-CONDITION SYSTEM AT 2ND FLOOR OF USG-OWNED RESIDENTIAL PROPERTY | HWSI GMBH | $112,285 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | E1NBPURCHASE OF HEATING AND COOLING PLANTS | Apr 27, 2021 | Apr 27, 2021 | Aug 31, 2021 |
| | PREVENTIVE MAINTENANCE SERVICES_USG-OWNED APARTMENTS -"NEUE VILLEN"_3RD OPTION YEAR | HWSI GMBH | $27,016 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1NBMAINTENANCE OF HEATING AND COOLING PLANTS | Apr 12, 2021 | Apr 25, 2021 | Apr 24, 2022 |
| | FM_VIE_RADIATOR REPLACEMENT_X9015 | HWSI GMBH | $21,185 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1FAMAINTENANCE OF FAMILY HOUSING FACILITIES | May 4, 2020 | May 4, 2020 | Sep 30, 2020 |
| | BUILDING MAINTENANCE SERVICE CONTRACT FOR MAGLEV AIR-COOLED CHILLER | HWSI GMBH | $18,432 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 561210Facilities Support Services | J099 | Sep 18, 2019 | Sep 24, 2019 | Sep 23, 2024 |
| | FM_VIE_MAILROOM MODIF._FAN COIL INSTALLATION_X1001 | HWSI GMBH | $13,815 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 442110 | J071MAINT/REPAIR/REBUILD OF EQUIPMENT- FURNITURE | Sep 5, 2019 | Sep 5, 2019 | Dec 31, 2019 |
| | REPLACEMENT OF A/C AT MAJOR RESIDENCE | HWSI GMBH | $71,010 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Y1NBCONSTRUCTION OF HEATING AND COOLING PLANTS | Aug 23, 2018 | Aug 23, 2018 | Oct 31, 2018 |
| | FM_VIE_AC VRF EXTENSION FOR GUEST WING_X 2004 IGF::OT::IGF | HWSI GMBH | $18,674 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1FAMAINTENANCE OF FAMILY HOUSING FACILITIES | Aug 23, 2018 | Aug 23, 2018 | Dec 31, 2018 |
| | FM_VIE_REPLACEMENT OF COOLING STORAGE UNITS_X 2004 IGF::OT::IGF | HWSI GMBH | $9,629 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1FAMAINTENANCE OF FAMILY HOUSING FACILITIES | May 9, 2018 | May 9, 2018 | Jun 30, 2018 |
| | ANNUAL PREVENTIVE HVAC MAINTENANCE SERVICES AT USG-OWNED PROPERTIES. | HWSI GMBH | $134,965 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | Z1NBMAINTENANCE OF HEATING AND COOLING PLANTS | Apr 24, 2018 | Apr 25, 2018 | Apr 24, 2022 |
| | FM_VIE_HUMIDIFIER FOR THE 1ST FLOOR_X2004 IGF::OT::IGF | HWSI GMBH | $3,800 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Dec 21, 2017 | Dec 21, 2017 | Jan 31, 2018 |