| FL15880 | Kawneer Company | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL15882 | Kawneer Company | WindowsCasement | Not yetNo 2026 filing found | n/a |
| 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 |
| FL17053 | Kawneer Company | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL17819 | Kawneer Company | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL20102 | Kawneer Company | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL32590 | Kawneer Company | Panel WallsStorefronts | Not yetNo 2026 filing found | n/a |
| FL12192 | Kaycan LTD. | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL12198 | Kaycan LTD. | Panel WallsSoffits | Not yetNo 2026 filing found | n/a |
| FL16299 | Kaycan LTD. | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL16503 | Kaycan LTD. | Panel WallsSoffits | Not yetNo 2026 filing found | n/a |
| FL24564 | Kaycan LTD. | Panel WallsSoffits | Not yetNo 2026 filing found | n/a |
| FL46503 | Kaycan LTD. | Panel WallsSoffits | Not yetNo 2026 filing found | n/a |
| FL46937 | Kebony AS/ Enhanced Wood Technologies, Inc. | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL46999 | Kebony AS/ Enhanced Wood Technologies, Inc. | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL2150 | Kent Construction and Roofing, Inc. | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL46817 | Kent Construction and Roofing, Inc. | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL25618 | Kingspan Insulated Panels, Inc. | Structural ComponentsStructural Wall | Not yetNo 2026 filing found | n/a |
| FL31365 | Kingspan Insulated Panels, Inc. | Structural ComponentsStructural Wall | Not yetNo 2026 filing found | n/a |
| FL46087 | Kingspan Insulated Panels, Inc. | Structural ComponentsStructural Wall | Not yetNo 2026 filing found | n/a |
| FL47408 | Kingspan Insulation LLC | RoofingRoofing Insulation | Not yetNo 2026 filing found | n/a |
| FL16751 | Kingspan Light & Air Fenestration, Inc. | Sky LightsSkylight | Not yetNo 2026 filing found | n/a |
| FL20323 | Kingspan Light & Air Fenestration, Inc. | Sky LightsSkylight | Not yetNo 2026 filing found | n/a |
| FL30048 | Kingspan Light & Air Fenestration, Inc. | Panel WallsProducts Introduced as a Result of New Technology | Not yetNo 2026 filing found | n/a |
| FL34558 | Kingspan Light + Air LLC | Sky LightsSkylight | Not yetNo 2026 filing found | n/a |
| FL4837 | Kirby Building Systems | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL4838 | Kirby Building Systems | Structural ComponentsRoof Deck | Not yetNo 2026 filing found | n/a |
| FL38033 | Kirby Building Systems | Structural ComponentsRoof Deck | Not yetNo 2026 filing found | n/a |
| FL47041 | Kirby Building Systems | Structural ComponentsRoof Deck | Not yetNo 2026 filing found | n/a |
| FL47172 | Kirby Building Systems | Structural ComponentsRoof Deck | Not yetNo 2026 filing found | n/a |
| FL47402 | Kirby Building Systems | Panel WallsSiding | 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 |
| FL12508 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL13091 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL14942 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSliding Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL15232 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSliding Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16319 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL16577 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16642 | Kolbe & Kolbe Millwork Co., Inc. | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL16653 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16744 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |