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
331420 – Copper Rolling, Drawing, Extruding, and Alloying
326122 – Plastics Pipe and Pipe Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
332510 – Hardware Manufacturing
488190 – Other Support Activities for Air Transportation

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

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction
237310 – Highway, Street, and Bridge Construction
561210 – Facilities Support Services
237110 – Water and Sewer Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
238910 – Site Preparation Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors
238290 – Other Building Equipment Contractors

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
237130 – Power and Communication Line and Related Structures Construction
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238990 – All Other Specialty Trade Contractors
236210 – Industrial Building Construction
237990 – Other Heavy and Civil Engineering Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
236220 – Commercial and Institutional Building Construction
237990 – Other Heavy and Civil Engineering Construction
238990 – All Other Specialty Trade Contractors
115310 – Support Activities for Forestry

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
332510 – Hardware Manufacturing
332996 – Fabricated Pipe and Pipe Fitting Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
517810 – All Other Telecommunications
444140 – Hardware Retailers
423720 – Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
423510 – Metal Service Centers and Other Metal Merchant Wholesalers

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
322211 – Corrugated and Solid Fiber Box Manufacturing
327390 – Other Concrete Product Manufacturing
332510 – Hardware Manufacturing
332323 – Ornamental and Architectural Metal Work Manufacturing

Includes
Hand Grease Guns; Centralized Lubrication Systems; Hydrostatic Lubricators; Oil and Gasoline Dispensing Pumps; Fuel Oil Dispensing Pumps; Hand Oilers; Grease Dispensers; Pressure Gun Attachments; Sight Feed Lubricators.

Excludes
Alemite and Lubrication Fittings (FSC 4730).

Possible NAICS Codes
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
339993 – Fastener, Button, Needle, and Pin Manufacturing
333912 – Air and Gas Compressor Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing