| | PEB BUILDING AIR FILTERS. | AIR CLEANING TECHNOLOGIES INC | $17,815 | SOCIAL SECURITY ADMINISTRATION | SOCIAL SECURITY ADMINISTRATION | — | 333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 4460AIR PURIFICATION EQUIPMENT | Sep 24, 2025 | Sep 24, 2025 | Oct 24, 2025 |
| | AIR FILTERS REQUIRED FOR VARIOUS PIECES OF EQUIPMENT AROUND THE CAMPUS TO REMOVE PARTICLES FROM THE CUSTOMER SPACE AIR. | AIR CLEANING TECHNOLOGIES INC | $17,923 | SOCIAL SECURITY ADMINISTRATION | SOCIAL SECURITY ADMINISTRATION | — | 333413Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 4460AIR PURIFICATION EQUIPMENT | May 21, 2025 | May 21, 2025 | Jun 20, 2025 |
| | AIR DUCT CLEANING | AIR CLEANING TECHNOLOGIES INC | $0 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 4140FANS, AIR CIRCULATORS, AND BLOWER EQUIPMENT | Sep 21, 2020 | Sep 15, 2020 | Sep 14, 2021 |
| | IGF::OT::IGF SERVICE (1) CTC FILTER/FAN UNIT. | AIR CLEANING TECHNOLOGIES INC | $4,355 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541990All Other Professional, Scientific, and Technical Services | J066MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT | Feb 27, 2017 | Feb 27, 2017 | Feb 15, 2018 |
| | WO 2052883/ AHU-VAV-A-AD-1 24X24X2 MERV 8 PRE PLEATED FILTER | AIR CLEANING TECHNOLOGIES INC | $3,904 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 5340HARDWARE, COMMERCIAL | Jul 12, 2016 | Jul 12, 2016 | Jul 26, 2016 |
| | IGF::CL::IGF AIR CLEANING TECHNOLOGIES INC:1125789 [1POTS: 6-000299] | AIR CLEANING TECHNOLOGIES INC | $4,225 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 334512Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 6640LABORATORY EQUIPMENT AND SUPPLIES | Nov 13, 2015 | Nov 13, 2015 | Dec 15, 2015 |
| | STEAM COIL REPLACEMENT IGF::OT::IGF | AIR CLEANING TECHNOLOGIES INC | $3,490 | PUBLIC BUILDINGS SERVICE | PUBLIC BUILDINGS SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4420HEAT EXCHANGERS AND STEAM CONDENSERS | Apr 21, 2014 | Apr 21, 2014 | Sep 30, 2014 |
| | REPLACEMENT OF WAFER VALVE BUBBLE TIGHT DAMPER. | AIR CLEANING TECHNOLOGIES INC | $5,550 | FOOD AND DRUG ADMINISTRATION | FOOD AND DRUG ADMINISTRATION | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 6640LABORATORY EQUIPMENT AND SUPPLIES | Nov 29, 2012 | Nov 29, 2012 | Feb 15, 2013 |
| | HEPA FILTERS | AIR CLEANING TECHNOLOGIES INC | $75,454 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4460AIR PURIFICATION EQUIPMENT | Sep 11, 2012 | Sep 10, 2012 | Sep 4, 2013 |
| | FILTERS FOR THE WEST WING WHITE HOUSE | AIR CLEANING TECHNOLOGIES INC | $5,355 | PUBLIC BUILDINGS SERVICE | PUBLIC BUILDINGS SERVICE | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4460AIR PURIFICATION EQUIPMENT | Jun 26, 2012 | Jun 26, 2012 | Sep 30, 2012 |
| | HEATING COILS | AIR CLEANING TECHNOLOGIES INC | $4,094 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 5950COILS AND TRANSFORMERS | Mar 14, 2012 | Mar 14, 2012 | Mar 23, 2012 |
| | COILS FOR LARGE AHU-AC-1 COIL, REHEAT: 2 STANDARD STEAM COILS 5/8 OUTER TUBES, 2 ROW 10 FPI | AIR CLEANING TECHNOLOGIES INC | $4,126 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4420HEAT EXCHANGERS AND STEAM CONDENSERS | Jan 10, 2011 | Jan 10, 2011 | Jan 10, 2011 |
| | HEPA FILTER | AIR CLEANING TECHNOLOGIES INC | $23,232 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 424990Other Miscellaneous Nondurable Goods Merchant Wholesalers | 4460AIR PURIFICATION EQUIPMENT | Aug 12, 2010 | Aug 12, 2010 | Aug 19, 2010 |
| | FILTERS | AIR CLEANING TECHNOLOGIES INC | $0 | PUBLIC BUILDINGS SERVICE | Public Buildings Service | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Aug 2, 2010 | Aug 2, 2010 | Sep 30, 2010 |
| | SPECIAL ORDER HEPA FILTERS - CHEMICAL | AIR CLEANING TECHNOLOGIES INC | $5,004 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4460AIR PURIFICATION EQUIPMENT | Jun 17, 2010 | Jun 17, 2010 | Jul 19, 2010 |
| | HEATING COILS FOR NEOB, WASHINGTON DC. | AIR CLEANING TECHNOLOGIES INC | $0 | PUBLIC BUILDINGS SERVICE | Public Buildings Service | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 2825STEAM TURBINES AND COMPONENTS | Jun 10, 2010 | Jun 10, 2010 | Sep 30, 2010 |
| | COILS FOR MAH, MAINTENANCE PROJECT # 10701 COILS, CUSTOM STERM (2) 25 X 39 (4) 11 X 1/2 X 20 X 1/2 (1) 24 X 33 (1) 17 1/2 X 30 | AIR CLEANING TECHNOLOGIES INC | $0 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | H145QUALITY CONTROL- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | May 18, 2010 | May 18, 2010 | Aug 20, 2010 |
| | HEPA FILTER | AIR CLEANING TECHNOLOGIES INC | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 333411 | 4460AIR PURIFICATION EQUIPMENT | May 12, 2010 | May 11, 2010 | Jun 16, 2010 |
| | FAN COIL UNIT FILTER | AIR CLEANING TECHNOLOGIES INC | $7,578 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | Nov 23, 2009 | Nov 19, 2009 | Sep 15, 2010 |
| | 18 HEPA FILTERS NEEDED FOR WHITE HOUSE COMPLEX, WASHINGTON DC. | AIR CLEANING TECHNOLOGIES INC | $4,680 | PUBLIC BUILDINGS SERVICE | — | — | 423720Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers | 6007 | Mar 24, 2009 | Mar 24, 2009 | Sep 30, 2009 |
| | AIR HANDLING UNITS | AIR CLEANING TECHNOLOGIES INC | $7,008 | PUBLIC BUILDINGS SERVICE | — | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Mar 20, 2009 | Mar 20, 2009 | Oct 30, 2009 |
| | M-8 BUCKSHOT FILTER UNITS | AIR CLEANING TECHNOLOGIES INC | $1,959,865 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 423730Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 4460AIR PURIFICATION EQUIPMENT | Aug 21, 2008 | Aug 20, 2008 | Jan 1, 2009 |
| | MOLD SERVICES/ DUCT & INSULATION WORK | AIR CLEANING TECHNOLOGIES INC | $6,158 | UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES (USUHS) | UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES (USUHS) | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4460AIR PURIFICATION EQUIPMENT | Aug 20, 2008 | Aug 11, 2008 | Sep 12, 2008 |
| | DECONTAMINATION PORTS | AIR CLEANING TECHNOLOGIES INC | $5,100 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4130REFRIGERATION AND AIR CONDITIONING COMPONENTS | May 1, 2008 | Apr 29, 2008 | May 15, 2008 |
| | SERVICE OF MOLD REMEDIATION FOR C MEZZ | AIR CLEANING TECHNOLOGIES INC | $12,600 | UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES (USUHS) | UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES (USUHS) | — | 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 | Sep 22, 2007 | Sep 24, 2007 | Oct 5, 2007 |