| | GOODS AIR FILTERS| HIRSHHORN MUSEUM | BOST & FILTREX, INC. | $33,582 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4510PLUMBING FIXTURES AND ACCESSORIES | Apr 23, 2025 | Apr 23, 2025 | May 6, 2025 |
| | AIR HANDLER UNITS | BOST & FILTREX, INC. | $19,387 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 5915FILTERS AND NETWORKS | Oct 4, 2024 | Oct 4, 2024 | Oct 18, 2024 |
| | WO#M30878644855210007 23-3/8X23-3/8X12 CAMFIL XH ABS HI 99.97% FILTERMODEL 01XH-23F23F12-1D-3-C-A-00-0/00 | BOST & FILTREX, INC. | $12,679 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 332510Hardware Manufacturing | 5340HARDWARE, COMMERCIAL | May 21, 2024 | May 21, 2024 | Sep 30, 2024 |
| | WO#M3087864623-3/8X23-3/8X12 CAMFIL XH ABS HI 99.97% FILTERMODEL 01XH-23F23F12-1D-3-C-A-00-0/00 855210007 | BOST & FILTREX, INC. | $12,679 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 332510Hardware Manufacturing | 5340HARDWARE, COMMERCIAL | May 20, 2024 | May 20, 2024 | Sep 30, 2024 |
| | DESIGN, FABRICATE & INSTALL A FAN FILTRATION SYSTEM | BOST & FILTREX, INC. | $249,030 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N041INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | May 13, 2024 | May 13, 2024 | Sep 30, 2024 |
| | FILTER, HEF | BOST & FILTREX, INC. | $6,180 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 4460AIR PURIFICATION EQUIPMENT | Dec 29, 2022 | Dec 29, 2022 | Jun 27, 2023 |
| | REPLACE AIR FILTERS ON QUAD AIR HANDLING UNITS | BOST & FILTREX, INC. | $15,673 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Aug 23, 2022 | Aug 23, 2022 | Sep 5, 2022 |
| | ACQUISITION OF FILTERS | BOST & FILTREX, INC. | $7,118 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Apr 18, 2022 | Apr 18, 2022 | May 13, 2022 |
| | ACQUISITION OF FILTERS | BOST & FILTREX, INC. | $7,318 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Oct 26, 2021 | Oct 26, 2021 | Oct 28, 2021 |
| | PURCHASE AIR FILTERS FOR AIB, SIB, & HIRSHORN | BOST & FILTREX, INC. | $24,705 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238310Drywall and Insulation Contractors | 5915FILTERS AND NETWORKS | Aug 9, 2021 | Aug 9, 2021 | Aug 13, 2021 |
| | BOST & FILTREX, NEW RACK SYSTEM | BOST & FILTREX, INC. | $9,530 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 423840Industrial Supplies Merchant Wholesalers | 3693INDUSTRIAL ASSEMBLY MACHINES | Jul 23, 2021 | Jul 23, 2021 | Aug 9, 2022 |
| | FAN FILTRATION SYSTEM FOR EXHIBIT CASES | BOST & FILTREX, INC. | $9,821 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N041INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | May 27, 2021 | May 27, 2021 | Jun 30, 2022 |
| | ACQUISITION OF FILTERS | BOST & FILTREX, INC. | $7,429 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Mar 23, 2021 | Mar 23, 2021 | Apr 16, 2021 |
| | SIZE 5 HEPA FILTER, TYPE A MEDIA | BOST & FILTREX, INC. | $8,533 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4330CENTRIFUGALS, SEPARATORS, AND PRESSURE AND VACUUM FILTERS | Nov 19, 2020 | Nov 19, 2020 | May 31, 2021 |
| | MERV 13-A FILTERS FOR NPM'S AHUS | BOST & FILTREX, INC. | $6,445 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4330CENTRIFUGALS, SEPARATORS, AND PRESSURE AND VACUUM FILTERS | Nov 2, 2020 | Nov 2, 2020 | Nov 13, 2020 |
| | SPECIALTY HVAC HEPA FILTERS | BOST & FILTREX, INC. | $24,114 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Sep 15, 2020 | Sep 15, 2020 | Oct 16, 2020 |
| | COVID-19 -- FILTERS | BOST & FILTREX, INC. | $38,062 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 4460AIR PURIFICATION EQUIPMENT | Apr 24, 2020 | Apr 24, 2020 | May 15, 2020 |
| | A/C FILTERS ACCESSORIES | BOST & FILTREX, INC. | $143,424 | STATE, DEPARTMENT OF | STATE, DEPARTMENT OF | — | 333414Heating Equipment (except Warm Air Furnaces) Manufacturing | 4120AIR CONDITIONING EQUIPMENT | Nov 28, 2018 | Nov 28, 2018 | Dec 30, 2018 |
| | IGF::CL,CT::IGF FILTERS AND TOOLS USED THROUGHOUT THE SMZ | BOST & FILTREX, INC. | $19,988 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4510PLUMBING FIXTURES AND ACCESSORIES | Sep 25, 2018 | Sep 25, 2018 | Oct 8, 2018 |
| | IGF::CL,CT::IGF SUPPLIES, AIR FILTRATION FOR HMSG | BOST & FILTREX, INC. | $4,167 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238310Drywall and Insulation Contractors | 5340HARDWARE, COMMERCIAL | Mar 1, 2018 | Mar 1, 2018 | Mar 7, 2018 |
| | IGF::OT::IGF FLOOR MATERIAL | BOST & FILTREX, INC. | $56,000 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 238310Drywall and Insulation Contractors | R499SUPPORT- PROFESSIONAL: OTHER | May 19, 2017 | May 19, 2017 | Jun 21, 2017 |
| | FLEXIBLE STAINLESS STEEL HOSING & FITTINGS | BOST & FILTREX, INC. | $211 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | — | — | 334516Analytical Laboratory Instrument Manufacturing | 6640LABORATORY EQUIPMENT AND SUPPLIES | Feb 11, 2009 | Feb 11, 2009 | Feb 27, 2009 |