| FL24475 | Centor North America Inc | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL17566 | Central States Manufacturing, Inc. | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL47393 | Central States Manufacturing, Inc. | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL47544 | Central States Manufacturing, Inc. | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL16407 | Ceramica Industrial de Tecate, S.A. de C.V. | RoofingRoofing Tiles | Not yetNo 2026 filing found | n/a |
| FL21414 | CertainTeed, LLC (Roofing) | RoofingRoofing Accessories that are an Integral Part of the Roofing System | Not yetNo 2026 filing found | n/a |
| FL30046 | CertainTeed, LLC (Roofing) | RoofingUnderlayments | Not yetNo 2026 filing found | n/a |
| FL42164 | CertainTeed, LLC (Roofing) | RoofingProducts Introduced as a Result of New Technology | Not yetNo 2026 filing found | n/a |
| FL46500 | CertainTeed, LLC (Roofing) | RoofingUnderlayments | Not yetNo 2026 filing found | n/a |
| FL47742 | CertainTeed, LLC (Roofing) | RoofingRoofing Accessories that are an Integral Part of the Roofing System | Not yetNo 2026 filing found | n/a |
| FL47936 | CertainTeed, LLC (Roofing) | RoofingWaterproofing | Not yetNo 2026 filing found | n/a |
| FL48262 | CertainTeed, LLC (Roofing) | RoofingUnderlayments | Not yetNo 2026 filing found | n/a |
| FL11098 | CertainTeed, LLC (formerly GCP Applied Technologies Inc.) | RoofingUnderlayments | Not yetNo 2026 filing found | n/a |
| FL22980 | Chelsea Building Products | Panel WallsSiding | Not yetNo 2026 filing found | n/a |
| FL26592 | Chem-Pruf Door Co., Ltd. | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL42267 | ChemLink, A SOPREMA Group Company | RoofingRoofing Accessories that are an Integral Part of the Roofing System | Not yetNo 2026 filing found | n/a |
| FL16578 | Chief Industries, Inc | Structural ComponentsStructural Wall | Not yetNo 2026 filing found | n/a |
| FL14436 | Citadel Architectural Products LLC | Structural ComponentsStructural Wall | Not yetNo 2026 filing found | n/a |
| FL46298 | Citadel Architectural Products LLC | Panel WallsCurtain Walls | Not yetNo 2026 filing found | n/a |
| FL47938 | Citadel Architectural Products LLC | Panel WallsStorefronts | Not yetNo 2026 filing found | n/a |
| FL47380 | Cladiator | Structural ComponentsProducts Introduced as a Result of New Technology | Not yetNo 2026 filing found | n/a |
| FL16663 | Clark Hall Doors & Windows | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL41706 | Classic Metals Industries | RoofingProducts Introduced as a Result of New Technology | Not yetNo 2026 filing found | n/a |
| FL10687 | Classic Products, Inc. | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL5678 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL5684 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL15279 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL15504 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16107 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16546 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL16848 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL17671 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL42132 | Clopay Building Products Company | Exterior DoorsSectional Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL48279 | Clopay Building Products Company | Exterior DoorsRoll-Up Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL31728 | Co.Me.P Infissi SRL | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL32500 | Co.Me.P Infissi SRL | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL36832 | Co.Me.P Infissi SRL | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL44182 | Co.Me.P Infissi SRL | Exterior DoorsSliding Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL44612 | Co.Me.P Infissi SRL | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL46874 | Co.Me.P Infissi SRL | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL38763 | Coastal Metal Sales | RoofingMetal Roofing | Not yetNo 2026 filing found | n/a |
| FL47725 | Cold Mountain Custom Window and Door Distributors LLC | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL47730 | Cold Mountain Custom Window and Door Distributors LLC | Exterior DoorsSwinging Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |
| FL47748 | Cold Mountain Custom Window and Door Distributors LLC | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL47749 | Cold Mountain Custom Window and Door Distributors LLC | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL13565 | Comfort View Products LLC | WindowsSingle Hung | Not yetNo 2026 filing found | n/a |
| FL13566 | Comfort View Products LLC | WindowsFixed | Not yetNo 2026 filing found | n/a |
| FL13567 | Comfort View Products LLC | WindowsHorizontal Slider | Not yetNo 2026 filing found | n/a |
| FL13859 | Comfort View Products LLC | WindowsCasement | Not yetNo 2026 filing found | n/a |
| FL15379 | Comfort View Products LLC | Exterior DoorsSliding Exterior Door Assemblies | Not yetNo 2026 filing found | n/a |