Includes
Augers; Crushers; Crushing, Screening, and Washing Plants and Units; Drilling Machines; Paving Breakers; Rock Drills.

Excludes
Tampers (FSC 3895).

Possible NAICS Codes
333131 – Mining Machinery and Equipment Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333618 – Other Engine Equipment Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
333120 – Construction Machinery Manufacturing
212319 – Other Crushed and Broken Stone Mining and Quarrying
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
212321 – Construction Sand and Gravel Mining
333991 – Power-Driven Handtool Manufacturing
238910 – Site Preparation Contractors

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

Description
Maintenance, Repair and Rebuilding of Equipment: Special Industry Machinery

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
488390 – Other Support Activities for Water Transportation
811210 – Electronic and Precision Equipment Repair and Maintenance
238290 – Other Building Equipment Contractors
336611 – Ship Building and Repairing
541330 – Engineering Services
561210 – Facilities Support Services
334519 – Other Measuring and Controlling Device Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Construction, Mining, Excavating, and Highway Maintenance Equipment

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
811111 – General Automotive Repair
333120 – Construction Machinery Manufacturing

Includes
Cars, Motor, Highway; Buses; Chassis, Passenger Motor Vehicle; Hearses; Ambulances.

Excludes
Amphibious Personnel Carriers; All Truck Chassis.

Notes
This class includes only complete passenger motor vehicles, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on passenger motor vehicles are classified in classes other than this class.

Possible NAICS Codes
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
336211 – Motor Vehicle Body Manufacturing
336999 – All Other Transportation Equipment Manufacturing
423110 – Automobile and Other Motor Vehicle Merchant Wholesalers

Description
Boring Machines.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
237990 – Other Heavy and Civil Engineering Construction
333131 – Mining Machinery and Equipment Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
314910 – Textile Bag and Canvas Mills
333992 – Welding and Soldering Equipment Manufacturing
334111 – Electronic Computer Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

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

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
Airport, Railroad Platform, Stadium, and Street Lighting Fixtures.

Excludes
Nonelectrical Outdoor Fixtures; Signal Fixtures; Nonelectrical Indoor Fixtures.

Possible NAICS Codes
335132 – Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
335131 – Residential Electric Lighting Fixture Manufacturing
334419 – Other Electronic Component Manufacturing
334413 – Semiconductor and Related Device Manufacturing
332321 – Metal Window and Door Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Includes
Agricultural Tractors; High Speed Tractors; Industrial Tractors.

Excludes
Aircraft Towing Tractors and Crashed Aircraft Moving Tractors (FSC Class 1740); Aircraft Towing-Power Servicing Tractors (FSC Class 1730); Warehouse Tractors (FSC Class 3930).

Notes
This class includes only complete wheeled tractors, and chassis therefor. Any end items, assemblies, parts, attachments, or accessories, other than complete chassis, for use in or on wheeled tractors, are classified in classes other than this class.

Possible NAICS Codes
333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
333111 – Farm Machinery and Equipment Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
333120 – Construction Machinery Manufacturing
336999 – All Other Transportation Equipment Manufacturing

Includes
Multiple Spindle Drilling-Tapping Machines.

Excludes
Way-Type Machines.

Possible NAICS Codes
333517 – Machine Tool Manufacturing
333515 – Cutting Tool and Machine Tool Accessory Manufacturing
332510 – Hardware Manufacturing
333992 – Welding and Soldering Equipment Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
332312 – Fabricated Structural Metal Manufacturing
333111 – Farm Machinery and Equipment Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing

Includes
Washing Machines; Extractors; Wringers; Drying Tumblers; Ironers; Presses; Starching Machines; Marking Equipment; Mobile Laundry and Dry Cleaning Units.

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
335220 – Major Household Appliance Manufacturing
335210 – Small Electrical Appliance Manufacturing
423620 – Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers
812320 – Drycleaning and Laundry Services (except Coin-Operated)
332510 – Hardware Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
333241 – Food Product Machinery Manufacturing
325611 – Soap and Other Detergent Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing

Includes
Cotton Ginning Machinery; Looms; Button Covering Machines; Rope Laying Machines; Lace Machines.

Possible NAICS Codes
333248 – All Other Industrial Machinery Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
314999 – All Other Miscellaneous Textile Product Mills
333111 – Farm Machinery and Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332322 – Sheet Metal Work Manufacturing
541330 – Engineering Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238390 – Other Building Finishing Contractors
313220 – Narrow Fabric Mills and Schiffli Machine Embroidery

Includes
Communication Wire Dispenser Fabricating Machinery; Specialized Logging Equipment; Petroleum Refinery Machinery; Shoemaking Machinery; Production Type Impregnating Equipment.

Excludes
Opthalmic Lens Cutting and Grinding Machinery; Clothing Impregnating Equipment.

Possible NAICS Codes
333248 – All Other Industrial Machinery Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333517 – Machine Tool Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332710 – Machine Shops
333120 – Construction Machinery Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334516 – Analytical Laboratory Instrument Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing