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
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
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

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
Brickmaking Machinery.

Possible NAICS Codes
327390 – Other Concrete Product Manufacturing
238110 – Poured Concrete Foundation and Structure Contractors
327320 – Ready-Mix Concrete Manufacturing
327331 – Concrete Block and Brick Manufacturing
212321 – Construction Sand and Gravel Mining
212312 – Crushed and Broken Limestone Mining and Quarrying
332311 – Prefabricated Metal Building and Component Manufacturing
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
444180 – Other Building Material Dealers
212319 – Other Crushed and Broken Stone Mining and Quarrying

Includes
Prefabricated Concrete Placing Forms; Builders' Ladders and Stepladders; Suspension stages.

Excludes
Aircraft Ladders (FSC 1730); Fire Fighting Ladders (FSC 4210); Maintenance Ladders (FSC 4940); Marine Vessel Ladders (FSC 2090); Vehicle Ladders (FSC 2540).

Possible NAICS Codes
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
327331 – Concrete Block and Brick Manufacturing
336611 – Ship Building and Repairing
327390 – Other Concrete Product Manufacturing
322211 – Corrugated and Solid Fiber Box Manufacturing
332510 – Hardware Manufacturing
332323 – Ornamental and Architectural Metal Work Manufacturing

Includes
Asphalt Elevators; Asphalt Heaters; Asphalt Kettles; Asphalt Transfer Equipment; Batching Plants; Stabilizing and Compacting Equipment; Concrete Mixers (All Types); Concrete Vibrators; Bituminous and Concrete Pavers; Asphalt Distributors; Sheepsfoot Rollers; Rooters; Rippers; Pile Drivers; Bitumen Heaters; Cable Laying, Lashing, Spinning, and Reeling Equipment.

Excludes
Earth Moving and Excavating Equipment (FSC 3805 & 3810); Pile Driving Attachments for Cranes and Crane-Shovels (FSC 3815); Special Individual Work and Power Sections of Construction Equipment with a quick connect/disconnect capability (FSC 3805)

Possible NAICS Codes
333120 – Construction Machinery Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
532412 – Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
212321 – Construction Sand and Gravel Mining
541614 – Process, Physical Distribution, and Logistics Consulting Services
324121 – Asphalt Paving Mixture and Block Manufacturing

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
238340 – Tile and Terrazzo Contractors
238990 – All Other Specialty Trade Contractors
327390 – Other Concrete Product Manufacturing
314110 – Carpet and Rug Mills
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers
327120 – Clay Building Material and Refractories Manufacturing
327991 – Cut Stone and Stone Product Manufacturing
238110 – Poured Concrete Foundation and Structure Contractors
236220 – Commercial and Institutional Building Construction

Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
561990 – All Other Support Services
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction
238290 – Other Building Equipment Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
561730 – Landscaping Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238190 – Other Foundation, Structure, and Building Exterior Contractors
238910 – Site Preparation Contractors

Possible NAICS Codes
321920 – Wood Container and Pallet Manufacturing
333243 – Sawmill, Woodworking, and Paper Machinery Manufacturing
321992 – Prefabricated Wood Building Manufacturing
332510 – Hardware Manufacturing
332710 – Machine Shops
314110 – Carpet and Rug Mills
321113 – Sawmills
321912 – Cut Stock, Resawing Lumber, and Planing
327320 – Ready-Mix Concrete Manufacturing
332216 – Saw Blade and Handtool Manufacturing

Includes
Portable Fire Escapes; Safety Nets, Nonbuoyant.

Excludes
Divers' Suits; Fixed Fire Escapes

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
339115 – Ophthalmic Goods Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
315990 – Apparel Accessories and Other Apparel Manufacturing
313230 – Nonwoven Fabric Mills
339112 – Surgical and Medical Instrument Manufacturing
444140 – Hardware Retailers

Includes
Bathtubs; Commodes; Lavatories; Shower Cabinets; Sinks; Water Closets; Accessories and Component Parts, such as Dispensers, Faucets, Holders, Racks, Shower Heads, Flush Valves and Stop Valves.

Excludes
Fittings and Specialties for Hose, Pipe and Tube (FSC 4730).

Possible NAICS Codes
332919 – Other Metal Valve and Pipe Fitting Manufacturing
332913 – Plumbing Fixture Fitting and Trim Manufacturing
423710 – Hardware Merchant Wholesalers
326191 – Plastics Plumbing Fixture Manufacturing
332510 – Hardware Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors
423720 – Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Includes
Prefabricated Panels; Inflatable Shelters; Metal Screens and Metal Windows.

Possible NAICS Codes
332311 – Prefabricated Metal Building and Component Manufacturing
332312 – Fabricated Structural Metal Manufacturing
321992 – Prefabricated Wood Building Manufacturing
562991 – Septic Tank and Related Services
336412 – Aircraft Engine and Engine Parts Manufacturing
337127 – Institutional Furniture Manufacturing
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
321991 – Manufactured Home (Mobile Home) Manufacturing
238990 – All Other Specialty Trade Contractors
327390 – Other Concrete Product Manufacturing

Includes
Bleachers; Grandstands.

Possible NAICS Codes
423310 – Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
332312 – Fabricated Structural Metal 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
236220 – Commercial and Institutional Building Construction
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
332510 – Hardware Manufacturing
332322 – Sheet Metal Work Manufacturing

Includes
Crayons; Erasers; File Holders; Writing Ink; Printing Ink; Paper Fasteners; Pencils; Penholders and Pen Points; Rulers, Office Type; Art Supplies; Tape, Pressure Sensitive Adhesive

Excludes
Office Devices; Fountain Pens; Artists' Brushes; Paper Stationery; Record Forms; Mechanical Pencils.

Possible NAICS Codes
339940 – Office Supplies (except Paper) Manufacturing
459410 – Office Supplies and Stationery Retailers
322230 – Stationery Product Manufacturing
322120 – Paper Mills
444110 – Home Centers
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
424130 – Industrial and Personal Service Paper Merchant Wholesalers

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541519 – Other Computer Related Services
541720 – Research and Development in the Social Sciences and Humanities
541714 – Research and Development in Biotechnology (except Nanobiotechnology)
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541713 – Research and Development in Nanotechnology
541690 – Other Scientific and Technical Consulting Services
611430 – Professional and Management Development Training