Includes
Culvert Pipes; Culvert Pipe Connector Bands; Metallic Pipes; Plastic Pipes; Tubes and Rigid Tubing and their assemblies.

Excludes
Air Conditioning-Heating Pipes (FSC 4520); Asbestos and Cement, Bituminized Fiber, Clay and Concrete Pipes (FSC 5630); Conduit Pipes and their assemblies (FSC 5975); Downspout Pipes (FSC 5670); Exhaust Pipes (FSC 1560, 2990, and 4520); Fire Extinguishing Systems Pipes and Tubes and their assemblies (FSC 4210); Flexible Tubing (FSC 4720; Glass Tubing (FSC 6640, and 9340); Laboratory Tubes (FSC 6640); Medical and Surgical Tubes (FSC 6515).

Possible NAICS Codes
336411 – Aircraft Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331420 – Copper Rolling, Drawing, Extruding, and Alloying
326122 – Plastics Pipe and Pipe Fitting Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333618 – Other Engine Equipment Manufacturing
488190 – Other Support Activities for Air Transportation
332510 – Hardware Manufacturing

Possible NAICS Codes
327120 – Clay Building Material and Refractories Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
339940 – Office Supplies (except Paper) Manufacturing
332510 – Hardware Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
115310 – Support Activities for Forestry
541310 – Architectural Services
423710 – Hardware Merchant Wholesalers
335991 – Carbon and Graphite Product Manufacturing

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
327320 – Ready-Mix Concrete Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
212319 – Other Crushed and Broken Stone Mining and Quarrying
327992 – Ground or Treated Mineral and Earth Manufacturing
324121 – Asphalt Paving Mixture and Block 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
444140 – Hardware Retailers

Includes
Linoleum; Rubber and Asphalt Tile; Carpets; Rugs; Rug Pads.

Excludes
Vehicular Floor Mats.

Possible NAICS Codes
326299 – All Other Rubber Product Manufacturing
326199 – All Other Plastics Product Manufacturing
314110 – Carpet and Rug Mills
238330 – Flooring Contractors
449121 – Floor Covering Retailers

Description
Tile, Brick, and Block

Includes
Concrete Building Block; Cinder Block; Slag Brick; Cut Stone; Cut and Polished Stone; Ceramic Floor and Wall Tile; Architectural Terra Cotta; Concrete Slabs and Grilles.

Excludes
Glass Building Block (FSC 9340)

Possible NAICS Codes
327331 – Concrete Block and Brick Manufacturing
238990 – All Other Specialty Trade Contractors
238340 – Tile and Terrazzo Contractors
327390 – Other Concrete Product Manufacturing
314110 – Carpet and Rug Mills
238330 – Flooring Contractors
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers
238110 – Poured Concrete Foundation and Structure Contractors
238140 – Masonry Contractors
811490 – Other Personal and Household Goods Repair and Maintenance

Includes
Cork Fabricated Basic Materials; Asbestos Fabricated Materials; Manufactured Mica; Minerals for scientific and technical use (cut but not mounted); Pottery Supplies; Catgut and Wormgut; Vegetable Brush Fibers; Bagasse.

Possible NAICS Codes
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
339950 – Sign Manufacturing
332510 – Hardware Manufacturing
325991 – Custom Compounding of Purchased Resins
337214 – Office Furniture (except Wood) Manufacturing
326199 – All Other Plastics Product Manufacturing
333618 – Other Engine Equipment Manufacturing
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing

Includes
Brickmaking Machinery.

Possible NAICS Codes
327390 – Other Concrete Product Manufacturing
327320 – Ready-Mix Concrete Manufacturing
238110 – Poured Concrete Foundation and Structure Contractors
212319 – Other Crushed and Broken Stone Mining and Quarrying
327331 – Concrete Block and Brick Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
212321 – Construction Sand and Gravel Mining
327120 – Clay Building Material and Refractories Manufacturing
444180 – Other Building Material Dealers
444140 – Hardware Retailers

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
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
332311 – Prefabricated Metal Building and Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal Manufacturing

Includes
Adapters; Bends; Caps; Clamps; Connectors; Couplings; Crosses; Elbows; Expansion Joints; Ferrules; Flanges; Laterals; Lubrication Fittings; Manifolds; Nipples; Nozzles; Outlets; Plugs; Reducers; Swing and Swivel Joints; Tees; Traps; Unions; Wyes.

Excludes
Air Conditioning-Heating Fittings (FSC 4520); Bituminized Fiber and Concrete Fittings (FSC 5630); Conduit Boxes and Fittings (FSC 5975); Downspout Fittings (FSC 5670); Medical and Surgical Fittings (FSC 6515); Laboratory Fittings (FSC 6640); Post Caps and Rail Ends (FSC 5660); Machine Thread Bushings and Plugs (FSC 5365).

Possible NAICS Codes
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
326122 – Plastics Pipe and Pipe Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332510 – Hardware Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing

Includes
Clays and other Earths; Mica; Asbestos; Crude Petroleum; Graphite.

Excludes
Gravel (FSC 5610); Sand (FSC 5610); Abrasives (FSC 5350); Refractory Clays (FSC 9350).

Notes
Only bulk material will be identified in this class. Minerals are naturally occurring substances with a characteristic chemical composition that can be expressed by a formula.

Possible NAICS Codes
212390 – Other Nonmetallic Mineral Mining and Quarrying
212321 – Construction Sand and Gravel Mining
212319 – Other Crushed and Broken Stone Mining and Quarrying
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
212312 – Crushed and Broken Limestone Mining and Quarrying
444140 – Hardware Retailers
423990 – Other Miscellaneous Durable Goods Merchant Wholesalers
327992 – Ground or Treated Mineral and Earth Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
212311 – Dimension Stone Mining and Quarrying

Includes
Fire Resistant Compounds; Water Resistant Compounds; Weather Resistant Compounds; Belt Dressing; Antiseize Compounds; Caulking and Glazing Compounds; Putties.

Excludes
Food Preservative Compounds.

Possible NAICS Codes
332312 – Fabricated Structural Metal Manufacturing
325520 – Adhesive Manufacturing
321114 – Wood Preservation
325510 – Paint and Coating Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing

Includes
Household furnishings of Textiles, Plastics, Paper, Rubber, and other materials; Sheets, Pillows, Blankets, and other Bedding; Insect Bars; Tablecloths; Towels; Steamer Rugs; Mattresses; Bedsprings, Box style (Fabric Covered); Bedspring and Mattress Sets.

Excludes
Floor Coverings; Curtains; Draperies; Paper Napkins; Paper Dollies; Bedsprings, Open Style (All-Metallic).

Possible NAICS Codes
313110 – Fiber, Yarn, and Thread Mills
337910 – Mattress Manufacturing
313210 – Broadwoven Fabric Mills
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
337122 – Nonupholstered Wood Household Furniture Manufacturing
326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing
337126 – Household Furniture (except Wood and Upholstered) Manufacturing
325611 – Soap and Other Detergent Manufacturing
314120 – Curtain and Linen Mills
334310 – Audio and Video Equipment Manufacturing

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
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
324122 – Asphalt Shingle and Coating Materials Manufacturing

Includes
Concrete Pipe and Conduit; Clay Pipe and Conduit for underground use; Drain Tile; Nonmetallic Pipe Fittings for underground use.

Excludes
Nonmetallic Pipe, Conduit, and Fittings for laboratory or electrical use; Hose and Tubing, Flexible Nonmetallic.

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
332510 – Hardware Manufacturing
335932 – Noncurrent-Carrying Wiring Device Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
517810 – All Other Telecommunications
444140 – Hardware Retailers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing