Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
236220 – Commercial and Institutional Building Construction
238990 – All Other Specialty Trade Contractors
237990 – Other Heavy and Civil Engineering Construction
812930 – Parking Lots and Garages
238110 – Poured Concrete Foundation and Structure Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
561210 – Facilities Support Services
238290 – Other Building Equipment Contractors
237210 – Land Subdivision

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
488490 – Other Support Activities for Road Transportation
237990 – Other Heavy and Civil Engineering Construction
237210 – Land Subdivision
212321 – Construction Sand and Gravel Mining
562910 – Remediation Services
238990 – All Other Specialty Trade Contractors
238910 – Site Preparation Contractors
561990 – All Other Support Services
561790 – Other Services to Buildings and Dwellings

Possible NAICS Codes
541620 – Environmental Consulting Services
541611 – Administrative Management and General Management Consulting Services
541330 – Engineering Services
115310 – Support Activities for Forestry
221310 – Water Supply and Irrigation Systems
813312 – Environment, Conservation and Wildlife Organizations
562910 – Remediation Services
237210 – Land Subdivision
561730 – Landscaping Services
237990 – Other Heavy and Civil Engineering Construction

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
541330 – Engineering Services
711510 – Independent Artists, Writers, and Performers
541519 – Other Computer Related Services

Description
Land Surveys, Cadastral Services (non-construction)

Possible NAICS Codes
541370 – Surveying and Mapping (except Geophysical) Services
541360 – Geophysical Surveying and Mapping Services
541519 – Other Computer Related Services
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
541330 – Engineering Services
561990 – All Other Support Services
115310 – Support Activities for Forestry
541990 – All Other Professional, Scientific, and Technical Services
561210 – Facilities Support Services

Possible NAICS Codes
561210 – Facilities Support Services
532490 – Other Commercial and Industrial Machinery and Equipment Rental and Leasing

Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
721211 – RV (Recreational Vehicle) Parks and Campgrounds
238990 – All Other Specialty Trade Contractors
561210 – Facilities Support Services
561790 – Other Services to Buildings and Dwellings
561720 – Janitorial Services
236220 – Commercial and Institutional Building Construction
115310 – Support Activities for Forestry
237310 – Highway, Street, and Bridge Construction
561730 – Landscaping Services

Possible NAICS Codes
237130 – Power and Communication Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
237990 – Other Heavy and Civil Engineering Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
212321 – Construction Sand and Gravel Mining
238990 – All Other Specialty Trade Contractors
221330 – Steam and Air-Conditioning Supply
561210 – Facilities Support Services

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

Possible NAICS Codes
812930 – Parking Lots and Garages
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)
531190 – Lessors of Other Real Estate Property
531312 – Nonresidential Property Managers

Description
Engineering and Technical Services

Includes
Includes: System Engineering, Technical Assistance and Other Services Used to Support the Program Office During the Acquisition Cycle

Excludes
Excludes: Language Translation and Sign Language Interpretation (PSC R608)

Possible NAICS Codes
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services
541512 – Computer Systems Design Services
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541690 – Other Scientific and Technical Consulting Services
541620 – Environmental Consulting Services
336611 – Ship Building and Repairing
541519 – Other Computer Related Services
541611 – Administrative Management and General Management Consulting Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Includes
Insulated and Noninsulated, Wire and Cable, such as, Antenna Wire, Coaxial Cable, Fuse and Resistance Wire, and Magnet Wire.

Excludes
Radio Frequency Transmission Line (FSC 5985); Fiber Optic Cable (FSC 6015); Communication Cable Assemblies; (FSC 5995); Distribution and Power Transmission Cable Assemblies (FSC 6150).

Notes
This class includes only bulk electrical wire and cable. Excluded from this class are electrical wire and cable items of definite length either with processed ends, or terminated in fittings

Possible NAICS Codes
335929 – Other Communication and Energy Wire Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
331420 – Copper Rolling, Drawing, Extruding, and Alloying
332216 – Saw Blade and Handtool Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
334419 – Other Electronic Component Manufacturing