Description
Maintenance, Repair and Rebuilding of Equipment: Railway Equipment

Possible NAICS Codes
488210 – Support Activities for Rail Transportation
237990 – Other Heavy and Civil Engineering Construction
541350 – Building Inspection Services
336510 – Railroad Rolling Stock Manufacturing
811198 – All Other Automotive Repair and Maintenance
811121 – Automotive Body, Paint, and Interior Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
487210 – Scenic and Sightseeing Transportation, Water
333517 – Machine Tool Manufacturing

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
115310 – Support Activities for Forestry
237990 – Other Heavy and Civil Engineering Construction
236220 – Commercial and Institutional Building Construction
238110 – Poured Concrete Foundation and Structure Contractors
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
238910 – Site Preparation Contractors
488210 – Support Activities for Rail Transportation
488490 – Other Support Activities for Road Transportation

Description
Logistics Support Services

Possible NAICS Codes
541614 – Process, Physical Distribution, and Logistics Consulting Services
488310 – Port and Harbor Operations
561990 – All Other 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
115310 – Support Activities for Forestry
238990 – All Other Specialty Trade Contractors

Possible NAICS Codes
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction
238290 – Other Building Equipment Contractors
237990 – Other Heavy and Civil Engineering Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561730 – Landscaping Services
238320 – Painting and Wall Covering Contractors
237130 – Power and Communication Line and Related Structures Construction
812220 – Cemeteries and Crematories

Description
Inspection and Laboratory Services (except medical/dental): Railway Equipment

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
541350 – Building Inspection Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
488210 – Support Activities for Rail Transportation
811198 – All Other Automotive Repair and Maintenance
482111 – Line-Haul Railroads
811412 – Appliance Repair and Maintenance
482112 – Short Line Railroads

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
711510 – Independent Artists, Writers, and Performers
541330 – Engineering Services
541690 – Other Scientific and Technical Consulting Services
541519 – Other Computer Related Services
721110 – Hotels (except Casino Hotels) and Motels
611430 – Professional and Management Development Training
561320 – Temporary Help Services

Possible NAICS Codes
541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
541713 – Research and Development in Nanotechnology
488390 – Other Support Activities for Water Transportation
541990 – All Other Professional, Scientific, and Technical Services
488210 – Support Activities for Rail Transportation
611310 – Colleges, Universities, and Professional Schools
541720 – Research and Development in the Social Sciences and Humanities
334519 – Other Measuring and Controlling Device Manufacturing

Description
Relocation Services

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
531210 – Offices of Real Estate Agents and Brokers
488510 – Freight Transportation Arrangement
488991 – Packing and Crating
531390 – Other Activities Related to Real Estate
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
484110 – General Freight Trucking, Local
721110 – Hotels (except Casino Hotels) and Motels
492110 – Couriers and Express Delivery Services
531110 – Lessors of Residential Buildings and Dwellings

Description
Motor Freight

Possible NAICS Codes
484210 – Used Household and Office Goods Moving
484121 – General Freight Trucking, Long-Distance, Truckload
488510 – Freight Transportation Arrangement
492110 – Couriers and Express Delivery Services
484220 – Specialized Freight (except Used Goods) Trucking, Local
484110 – General Freight Trucking, Local
484230 – Specialized Freight (except Used Goods) Trucking, Long-Distance
423860 – Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
562112 – Hazardous Waste Collection
488991 – Packing and Crating

Description
Facilities Operations Support Services

Possible NAICS Codes
561210 – Facilities Support Services
561730 – Landscaping Services
561720 – Janitorial Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561990 – All Other Support Services
238290 – Other Building Equipment Contractors

Description
Maintenance, Repair and Rebuilding of Equipment: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles

Possible NAICS Codes
811121 – Automotive Body, Paint, and Interior Repair and Maintenance
811111 – General Automotive Repair
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811198 – All Other Automotive Repair and Maintenance
811114 – Specialized Automotive Repair
561210 – Facilities Support Services

Description
Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks

Possible NAICS Codes
336611 – Ship Building and Repairing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
488390 – Other Support Activities for Water Transportation
336612 – Boat Building
811490 – Other Personal and Household Goods Repair and Maintenance
541330 – Engineering Services
332710 – Machine Shops

Includes
Railroad Rails; Railroad Tie Plates; Railroad Turnouts and Components; Railroad Spikes.

Excludes
Ballast (FSC 5610); Railroad Ties (FSC 5510).

Possible NAICS Codes
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
326199 – All Other Plastics Product Manufacturing
336510 – Railroad Rolling Stock Manufacturing
336611 – Ship Building and Repairing
321114 – Wood Preservation
237990 – Other Heavy and Civil Engineering Construction
488210 – Support Activities for Rail Transportation
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
332312 – Fabricated Structural Metal Manufacturing

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
237110 – Water and Sewer Line and Related Structures Construction
541620 – Environmental Consulting Services