Includes
Dimensional Lumber; Wood Flooring; Mine Timbers; Poles; Railroad Ties; Wood Siding; Molding; Stakes.

Excludes
Millwork (FSC 5520); Plywood and Veneer (FSC 5530); Prefabricated Non-Wood Items (FSC 5670).

Possible NAICS Codes
321212 – Softwood Veneer and Plywood Manufacturing
321211 – Hardwood Veneer and Plywood Manufacturing
321113 – Sawmills
321215 – Engineered Wood Member Manufacturing
321912 – Cut Stock, Resawing Lumber, and Planing
321999 – All Other Miscellaneous Wood Product Manufacturing
561720 – Janitorial Services
321920 – Wood Container and Pallet Manufacturing
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
321114 – Wood Preservation

Includes
Leaf Type Vehicular Springs; Suspension Type Shock Absorbers.

Excludes
Vehicular Hardware (FSG 53); Specialized Vehicular Furniture (FSC 2540).

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336211 – Motor Vehicle Body Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
333120 – Construction Machinery Manufacturing
336390 – Other Motor Vehicle Parts Manufacturing
336370 – Motor Vehicle Metal Stamping
336360 – Motor Vehicle Seating and Interior Trim Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing

Includes
Expanded Metal Lath; Airplane Landing Mats; Traction Mats.

Possible NAICS Codes
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Includes
Plywood and Veneered Panels.

Possible NAICS Codes
321212 – Softwood Veneer and Plywood Manufacturing
321211 – Hardwood Veneer and Plywood Manufacturing
561720 – Janitorial Services
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
321999 – All Other Miscellaneous Wood Product Manufacturing
444110 – Home Centers
321920 – Wood Container and Pallet Manufacturing
321113 – Sawmills

Includes
Roofing (all materials), including Sheet Metal; Roofing Felt; Roll Roofing; Roofing Tile; Shingles.

Excludes
Tar Paper; Bulk Sheet Metal Roofing and Siding; Wood Siding.

Possible NAICS Codes
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
238160 – Roofing Contractors
321113 – Sawmills
236220 – Commercial and Institutional Building Construction

Includes
Asphalt; Cinders; Gravel; Lime; Sand; Rough Dimension Stone, including Rubble; Cement; Ballast.

Excludes
Block, Shaped; Brick.

Possible NAICS Codes
212321 – Construction Sand and Gravel Mining
423710 – Hardware Merchant Wholesalers
327320 – Ready-Mix Concrete Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
212319 – Other Crushed and Broken Stone Mining and Quarrying
324121 – Asphalt Paving Mixture and Block Manufacturing
327992 – Ground or Treated Mineral and Earth Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers
327991 – Cut Stone and Stone Product Manufacturing

Description
Hardware

Includes
Access Covers; Bumpers; Casters; Cabinet and Door Hardware; Clevises; Hinges; Latches; Straps and Strapping; Turnbuckles; Webbed Straps.

Excludes
Weapons System Hardware (5342).

Notes
Common hardware designed primarily for commercial use will be classified in this FSC. Hardware is the physical, tangible, and permanent components of end items that may not be classified elsewhere. It consists also of common items that are commonly used in construction and/or manufacturing (e.g., hinges, door locks).

Possible NAICS Codes
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
423710 – Hardware Merchant Wholesalers
444110 – Home Centers
339999 – All Other Miscellaneous Manufacturing
333618 – Other Engine Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336411 – Aircraft Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333120 – Construction Machinery Manufacturing

Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
237310 – Highway, Street, and Bridge Construction
238910 – Site Preparation Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors
115310 – Support Activities for Forestry
238110 – Poured Concrete Foundation and Structure Contractors
237110 – Water and Sewer Line and Related Structures Construction
238290 – Other Building Equipment Contractors

Description
Maintenance, Repair and Rebuilding of Equipment: Lumber, Millwork, Plywood, and Veneer

Possible NAICS Codes
238350 – Finish Carpentry Contractors
238330 – Flooring Contractors
561730 – Landscaping Services
337110 – Wood Kitchen Cabinet and Countertop Manufacturing
321999 – All Other Miscellaneous Wood Product Manufacturing
321920 – Wood Container and Pallet Manufacturing
321114 – Wood Preservation
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
811490 – Other Personal and Household Goods Repair and Maintenance

Description
Quality Control Services: Office Supplies and Devices

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
562219 – Other Nonhazardous Waste Treatment and Disposal
423420 – Office Equipment Merchant Wholesalers
811210 – Electronic and Precision Equipment Repair and Maintenance
459410 – Office Supplies and Stationery Retailers
423430 – Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
322230 – Stationery Product Manufacturing
611710 – Educational Support Services
541614 – Process, Physical Distribution, and Logistics Consulting Services
458110 – Clothing and Clothing Accessories Retailers

Description
Quality Control Services: Construction and Building Materials

Possible NAICS Codes
541350 – Building Inspection Services
541380 – Testing Laboratories and Services
541620 – Environmental Consulting Services
541330 – Engineering Services
236210 – Industrial Building Construction

Possible NAICS Codes
337127 – Institutional Furniture Manufacturing
339920 – Sporting and Athletic Goods Manufacturing
327390 – Other Concrete Product Manufacturing
326199 – All Other Plastics Product Manufacturing
321992 – Prefabricated Wood Building Manufacturing
321912 – Cut Stock, Resawing Lumber, and Planing
311920 – Coffee and Tea Manufacturing
236220 – Commercial and Institutional Building Construction

Possible NAICS Codes
541310 – Architectural Services
541330 – Engineering Services
236118 – Residential Remodelers
561210 – Facilities Support Services
541350 – Building Inspection Services
238390 – Other Building Finishing Contractors
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
523910 – Miscellaneous Intermediation
212321 – Construction Sand and Gravel Mining
423850 – Service Establishment Equipment and Supplies Merchant Wholesalers

Includes
Bar Size Shapes (under 3 inches); Metal Piles and Piling; Angles; Channels; Tees; Zees.

Excludes
Plate, Sheet and Strip Materials (FSC 9515).

Notes
This class contains bulk material only. Specially designed items should be placed in a more appropriate class. This class includes items usually used in building, bridge and similar construction, such as, I beams, angles, and the like.

Possible NAICS Codes
332111 – Iron and Steel Forging
331221 – Rolled Steel Shape Manufacturing
332312 – Fabricated Structural Metal Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332710 – Machine Shops
488190 – Other Support Activities for Air Transportation
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
326220 – Rubber and Plastics Hoses and Belting Manufacturing
337215 – Showcase, Partition, Shelving, and Locker Manufacturing

Includes
Door Frames; Window Frames; Window Sashes; Eave Troughs (gutters); Gratings; Grilles, Shutters; Fixed Fire Escapes; Mounted Partitions.

Excludes
Plumbing and Associated Components such as Sinks; Wallboard and Items Classified as Furniture.

Notes
Items specified as Wooden are classified in FSC 5520.

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
444180 – Other Building Material Dealers
332321 – Metal Window and Door Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
321992 – Prefabricated Wood Building Manufacturing
236220 – Commercial and Institutional Building Construction
238290 – Other Building Equipment Contractors
332510 – Hardware Manufacturing