National Manufacturing Co. is North America's leader in builders' hardware with facilities in the United States, Mexico, and Canada.

• See also:
• Masterformat 2004
• 05 58 00 - Formed Metal Fabrications
• 05 58 13 - Column Covers
• 05 58 16 - Formed Metal Enclosures
• 05 58 19 - Heating/Cooling Unit Covers
• 07 46 00 - Siding
• 07 46 16 - Aluminum Siding
• 07 46 19 - Steel Siding
• 07 46 23 - Wood Siding
• 07 46 26 - Hardboard Siding
• 07 46 29 - Plywood Siding
• 07 46 33 - Plastic Siding
• 07 46 43 - Composition Siding
• 07 46 46 - Mineral-Fiber Cement Siding
• 07 71 00 - Roof Specialties
• 07 71 13 - Manufactured Copings
• 07 71 16 - Manufactured Counterflashing Systems
• 07 71 19 - Manufactured Gravel Stops and Facias
• 07 71 23 - Manufactured Gutters and Downspouts
• 07 71 26 - Reglets
• 07 71 29 - Manufactured Roof Expansion Joints
• 07 71 33 - Manufactured Scuppers
• 07 91 23 - Backer Rods
• 07 91 26 - Joint Fillers
• 07 92 00 - Joint Sealants
• 08 01 52 - Operation and Maintenance of Wood Windows
• 08 11 00 - Metal Doors and Frames
• 08 11 13 - Hollow Metal Doors and Frames
• 08 11 63 - Metal Screen and Storm Doors and Frames
• 08 11 66 - Metal Screen Doors and Frames
• 08 11 69 - Metal Storm Doors and Frames
• 08 51 13 - Aluminum Windows
• 08 51 23 - Steel Windows
• 08 53 00 - Plastic Windows
• 08 71 00 - Door Hardware
• 10 73 00 - Protective Covers
• 10 73 13 - Awnings
• 10 73 16 - Canopies
• 10 73 23 - Car Shelters
• 10 73 26 - Walkway Coverings
• 14 45 00 - Vehicle Lifts
• Masterformat 1995
• 05580 - Formed Metal Fabrications
• 07460 - Siding
• 07710 - Manufactured Roof Specialties
• 07920 - Joint Sealants
• 08100 - Metal Doors and Frames
• 08110 - Steel Doors and Frames
• 08180 - Metal Screen and Storm Doors
• 08510 - Steel Windows
• 08520 - Aluminum Windows
• 08560 - Plastic Windows
• 08590 - Window Restoration and Replacement
• 08710 - Door Hardware
• 10530 - Protective Covers
• 14450 - Vehicle Lifts