| FL15883 | Kawneer Company | WindowsProjected | Not yetNo 2026 filing found | n/a |
| FL16006 | Kawneer Company | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL16007 | Kawneer Company | WindowsProjected | Not yetNo 2026 filing found | n/a |
| FL16016 | Kawneer Company | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL16034 | Kawneer Company | WindowsProjected | Not yetNo 2026 filing found | n/a |
| FL16035 | Kawneer Company | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL46588 | Kawneer Company | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL7812 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL9837 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL10422 | Kolbe & Kolbe Millwork Co., Inc. | WindowsAwning | Not yetNo 2026 filing found | n/a |
| FL11002 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL11310 | Kolbe & Kolbe Millwork Co., Inc. | WindowsDouble Hung | Not yetNo 2026 filing found | n/a |
| FL13091 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL16319 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL16642 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL16944 | Kolbe & Kolbe Millwork Co., Inc. | WindowsAwning | Not yetNo 2026 filing found | n/a |
| FL17289 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL17317 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL18357 | Kolbe & Kolbe Millwork Co., Inc. | WindowsDouble Hung | Not yetNo 2026 filing found | n/a |
| FL18603 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL22001 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL23188 | Kolbe & Kolbe Millwork Co., Inc. | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL25886 | Kolbe & Kolbe Millwork Co., Inc. | WindowsDouble Hung | Not yetNo 2026 filing found | n/a |
| FL26892 | Kolbe & Kolbe Millwork Co., Inc. | WindowsDouble Hung | Not yetNo 2026 filing found | n/a |
| FL46376 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL26935 | Kommerling USA Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL26936 | Kommerling USA Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL31360 | Kommerling USA Inc. | WindowsDual Action | Not yetNo 2026 filing found | n/a |
| FL47953 | Korus USA corp. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL16912 | LAS Enterprises | WindowsDouble Hung | Not yetNo 2026 filing found | n/a |
| FL16913 | LAS Enterprises | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL16914 | LAS Enterprises | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL16915 | LAS Enterprises | WindowsSingle Hung | Not yetNo 2026 filing found | n/a |
| FL16929 | LAS Enterprises | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL17727 | La Finestra, LC | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL18426 | La Finestra, LC | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL18507 | La Finestra, LC | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL19605 | La Finestra, LC | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL20400 | La Finestra, LC | WindowsMullions | Not yetNo 2026 filing found | n/a |
| FL15412 | Lawson Industries | WindowsSingle Hung | Not yetNo 2026 filing found | n/a |
| FL15426 | Lawson Industries | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL15428 | Lawson Industries | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL15429 | Lawson Industries | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL15532 | Lawson Industries | WindowsMullions | Not yetNo 2026 filing found | n/a |
| FL42284 | Linea Rossa Windows & Doors | WindowsSingle Hung | Not yetNo 2026 filing found | n/a |
| FL42285 | Linea Rossa Windows & Doors | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL42289 | Linea Rossa Windows & Doors | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL42290 | Linea Rossa Windows & Doors | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL42292 | Linea Rossa Windows & Doors | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL42294 | Linea Rossa Windows & Doors | WindowsMullions | Not yetNo 2026 filing found | n/a |