| 70Z02426PBOST0098 | DUCT & VENT CLEANING OF AMERICA, INC | $22,000 | US COAST GUARD | US COAST GUARD | — | 238990 | J045 | Feb 24, 2026 | Feb 27, 2026 | Mar 4, 2026 |
| 33313219P00424806 | DUCT & VENT CLEANING OF AMERICA, INC | $5,460 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | — | 561790 | J041 | Jun 7, 2019 | Jun 7, 2019 | Oct 17, 2019 |
| HSCG2416P3JCAE3 | DUCT & VENT CLEANING OF AMERICA, INC | $0 | US COAST GUARD | US COAST GUARD | — | 561720 | S299 | May 26, 2016 | May 26, 2016 | Jun 23, 2016 |
| HSCG2416PJCAE3 | DUCT & VENT CLEANING OF AMERICA, INC | $1,890 | US COAST GUARD | US COAST GUARD | — | 561720 | S299 | May 26, 2016 | May 26, 2016 | Jun 25, 2016 |
| VA24116P0570 | DUCT & VENT CLEANING OF AMERICA, INC | $11,593 | — | — | — | 561790 | J041 | Jan 22, 2016 | Jan 25, 2016 | Mar 15, 2016 |
| VA52815C0011 | DUCT & VENT CLEANING OF AMERICA, INC | $2,999 | — | — | — | 561790 | H979 | Nov 26, 2014 | Nov 3, 2014 | Nov 28, 2014 |
| VA523C04967 | DUCT & VENT CLEANING OF AMERICA, INC | $0 | — | — | — | 561790 | N045 | Sep 10, 2010 | Sep 10, 2010 | Sep 30, 2010 |
| VA523C04918 | DUCT & VENT CLEANING OF AMERICA, INC | $0 | — | — | — | 561790 | J041 | Sep 3, 2010 | Sep 3, 2010 | Oct 3, 2010 |