U.S. Census Bureau

2007 NAICS Definitions
488 Support Activities for Transportation


488 Support Activities for Transportation

Industries in the Support Activities for Transportation subsector provide services which support transportation. These services may be provided to transportation carrier establishments or to the general public. This subsector includes a wide array of establishments, including air traffic control services, marine cargo handling, and motor vehicle towing.

The Support Activities for Transportation subsector includes services to transportation but is separated by type of mode serviced. The Support Activities for Rail Transportation industry includes services to the rail industry (e.g., railroad switching and terminal establishments).

Ship repair and maintenance not done in a shipyard are included in Other Support Activities for Water Transportation. An example would be floating drydock services in a harbor.

Excluded from this subsector are establishments primarily engaged in providing factory conversion and overhaul of transportation equipment, which are classified in Subsector 336, Transportation Equipment Manufacturing. Also, establishments primarily engaged in providing rental and leasing of transportation equipment without operator are classified in Subsector 532, Rental and Leasing Services.


4881 Support Activities for Air Transportation

This industry group comprises establishments primarily engaged in providing services to the air transportation industry. These services include airport operation, servicing, repairing (except factory conversion and overhaul of aircraft), maintaining and storing aircraft, and ferrying aircraft.


48811 Airport Operations

This industry comprises establishments primarily engaged in (1) operating international, national, or civil airports or public flying fields or (2) supporting airport operations (except special food services contractors), such as rental of hangar space, air traffic control services, baggage handling services, and cargo handling services.

Cross-References. Establishments primarily engaged in--


488111 Air Traffic Control

This U.S. industry comprises establishments primarily engaged in providing air traffic control services to regulate the flow of air traffic.


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488111488111488111 Air traffic control services (except military)



488119 Other Airport Operations

This U.S. industry comprises establishments primarily engaged in (1) operating international, national, or civil airports, or public flying fields or (2) supporting airport operations, such as rental of hangar space, and providing baggage handling and/or cargo handling services.

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488119488119488119 Aircraft hangar rental
488119488119488119 Aircraft parking service
488119488119488119 Airport baggage handling services
488119488119488119 Airport cargo handling services
488119488119488119 Airport operators (e.g., civil, international, national)
488119488119488119 Airport runway maintenance services
488119488119488119 Airports, civil, operation and maintenance
488119488119488119 Aviation clubs, primarily providing flying field services to the general public
488119488119488119 Fixed base operators
488119488119488119 Flying field operators
488119488119488119 Hangar rental, aircraft
488119488119488119 Maintenance services, runway
488119488119488119 Parking services, aircraft
488119488119488119 Runway maintenance services
488119488119488119 Vacuuming of airport runways



48819 Other Support Activities for Air Transportation

See industry description for 488190 below.


488190 Other Support Activities for Air Transportation

This industry comprises establishments primarily engaged in providing specialized services for air transportation (except air traffic control and other airport operations).

Illustrative Examples:

Aircraft maintenance and repair services (except factory conversions, overhauls, rebuilding) Aircraft testing services

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488190488190488190 Aircraft ferrying services
488190488190488190 Aircraft inspection services
488190488190488190 Aircraft maintenance and repair services (except factory conversion, factory overhaul, factory rebuilding)
488190488190488190 Aircraft testing services
488190488190488190 Fueling aircraft on a contract or fee basis
488190488190488190 Independent pilot, air (except owner-operators)
488190488190488190 Inspection services, aircraft
488190488190488190 Maintenance and repair services, aircraft (except factory conversion, factory overhaul, factory rebuilding)
488190488190488190 Testing services, aircraft



4882 Support Activities for Rail Transportation


48821 Support Activities for Rail Transportation

See industry description for 488210 below.


488210 Support Activities for Rail Transportation

This industry comprises establishments primarily engaged in providing specialized services for railroad transportation including servicing, routine repairing (except factory conversion, overhaul or rebuilding of rolling stock), and maintaining rail cars; loading and unloading rail cars; and operating independent terminals.

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488210488210488210 Freight car cleaning services
488210488210488210 Grain leveling and trimming in railroad cars
488210488210488210 Loading and unloading services at rail terminals
488210488210488210 Locomotive and rail car repair (except factory conversion, factory overhaul, factory rebuilding)
488210488210488210 Maintenance of rights-of-way and structures, railway
488210488210488210 Railroad switching services
488210488210488210 Railroad terminals, independent operation
488210488210488210 Railway terminals, independent operation
488210488210488210 Shunting trailers in rail terminals
488210488210488210 Switching services, railroad



4883 Support Activities for Water Transportation


48831 Port and Harbor Operations

See industry description for 488310 below.


488310 Port and Harbor Operations

This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488310488310488310 Canal maintenance services (except dredging)
488310488310488310 Canal operation
488310488310488310 Docking facility operations
488310488310488310 Harbor maintenance services (except dredging)
488310488310488310 Harbor operation
488310488310488310 Lighthouse operation
488310488310488310 Maintenance services, waterfront terminal (except dredging)
488310488310488310 Port facility operation
488310488310488310 Seaway operation
488310488310488310 Waterfront terminal operation (e.g., docks, piers, wharves)
488310488310488310 Wharf operation



48832 Marine Cargo Handling

See industry description for 488320 below.


488320 Marine Cargo Handling

This industry comprises establishments primarily engaged in providing stevedoring and other marine cargo handling services (except warehousing).

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488320488320488320 Loading and unloading services at ports and harbors
488320488320488320 Longshoremen services
488320488320488320 Marine cargo handling services
488320488320488320 Ship hold cleaning services
488320488320488320 Stevedoring services



48833 Navigational Services to Shipping

See industry description for 488330 below.


488330 Navigational Services to Shipping

This industry comprises establishments primarily engaged in providing navigational services to shipping. Marine salvage establishments are included in this industry.

Illustrative Examples:

Docking and undocking marine vessel services Piloting services, water transportation Marine vessel traffic reporting services Tugboat services, harbor operation

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488330488330488330 Cargo salvaging, marine
488330488330488330 Docking and undocking marine vessel services
488330488330488330 Harbor tugboat services
488330488330488330 Marine salvaging services
488330488330488330 Marine vessel traffic reporting services
488330488330488330 Piloting services, water transportation
488330488330488330 Radio beacon (i.e., ship navigation) services
488330488330488330 Tugboat services, harbor operation



48839 Other Support Activities for Water Transportation

See industry description for 488390 below.


488390 Other Support Activities for Water Transportation

This industry comprises establishments primarily engaged in providing services to water transportation (except port and harbor operations; marine cargo handling services; and navigational services to shipping).

Illustrative Examples:

Floating drydocks (i.e., maintenance and routine repairs for ships) Ship scaling services Marine cargo checkers and surveyors

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488390488390488390 Cargo checkers, marine
488390488390488390 Cargo surveyors, marine
488390488390488390 Drydocks, floating (i.e., routine repair and maintenance of ships)
488390488390488390 Marine cargo checkers and surveyors
488390488390488390 Ship dismantling at floating drydock
488390488390488390 Ship scaling services not done at a shipyard



4884 Support Activities for Road Transportation


48841 Motor Vehicle Towing

See industry description for 488410 below.


488410 Motor Vehicle Towing

This industry comprises establishments primarily engaged in towing light or heavy motor vehicles, both local and long distance. These establishments may provide incidental services, such as storage and emergency road repair services.

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488410488410488410 Emergency road services (i.e., tow service)
488410488410488410 Motor vehicle towing services
488410488410488410 Tow truck services
488410488410488410 Towing services, motor vehicle
488410488410488410 Wrecker services (i.e., towing services), motor vehicle



48849 Other Support Activities for Road Transportation

See industry description for 488490 below.


488490 Other Support Activities for Road Transportation

This industry comprises establishments primarily engaged in providing services (except motor vehicle towing) to road network users.

Illustrative Examples:

Bridge, tunnel, and highway operations Pilot car services (i.e., wide load warning services) Driving services (e.g., automobile, truck delivery) Truck or weighing station operations

Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488490488490488490 Bridge, tunnel, and highway operations
488490488490488490 Bus terminal operation, independent
488490488490488490 Cargo surveyors, truck transportation
488490488490488490 Driving services (e.g., automobile, truck delivery)
488490488490488490 Independent truck driver (except owner-operators)
488490488490488490 Inspection or weighing services, truck transportation
488490488490488490 Loading and unloading at truck terminals
488490488490488490 Pilot car services (i.e., wide load warning services)
488490488490488490 Shunting of trailers in truck terminals
488490488490488490 Snow clearing, highways and bridges, road transportation
488490488490488490 Snow removal, highway
488490488490488490 Street cleaning service
488490488490488490 Truck weighing station operation
488490488490488490 Trucking terminals, independently operated



4885 Freight Transportation Arrangement


48851 Freight Transportation Arrangement

See industry description for 488510 below.


488510 Freight Transportation Arrangement

This industry comprises establishments primarily engaged in arranging transportation of freight between shippers and carriers. These establishments are usually known as freight forwarders, marine shipping agents, or customs brokers and offer a combination of services spanning transportation modes.

Cross-References. Establishments primarily engaged in tariff and freight rate consulting services are classified in U.S. Industry 541614, Process, Physical Distribution, and Logistics Consulting Services.


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Corresponding Index Entries
488510488510488510 Agents, shipping
488510488510488510 Customs brokers
488510488510488510 Freight forwarding
488510488510488510 Marine shipping agency
488510488510488510 Shipping agents (freight forwarding)



4889 Other Support Activities for Transportation


48899 Other Support Activities for Transportation

This industry comprises establishments primarily engaged in providing support activities to transportation (except for air transportation; rail transportation; water transportation; road transportation; and freight transportation arrangement).

Illustrative Examples:

Arrangement of vanpools or carpools Stockyards (i.e., not for fattening or selling livestock) Independent pipeline terminal facilities

Cross-References. Establishments primarily engaged in--


488991 Packing and Crating

This U.S. industry comprises establishments primarily engaged in packing, crating, and otherwise preparing goods for transportation.

Cross-References. Establishments primarily engaged in providing packaging and labeling services are classified in Industry 561910, Packaging and Labeling Services.


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488991488991488991 Crating goods for shipping
488991488991488991 Packing and preparing goods for shipping
488991488991488991 Preparing goods for transportation (i.e., crating, packing)



488999 All Other Support Activities for Transportation

This U.S. industry comprises establishments primarily engaged in providing support activities to transportation (except for air transportation; rail transportation; water transportation; road transportation; freight transportation arrangement; and packing and crating).

Illustrative Examples:

Arrangement of vanpools or carpools Stockyards (i.e., not for fattening or selling livestock) Independent pipeline terminal facilities

Operating stockyards for fattening livestock--are classified in Cross-References. Establishments primarily engaged in--


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Corresponding Index Entries
488999488999488999 Arrangement of car pools and vanpools
488999488999488999 Car pools, arrangement of
488999488999488999 Pipeline terminal facilities, independently operated
488999488999488999 Stockyards (i.e., not for fattening or selling livestock), transportation
488999488999488999 Vanpools, arrangement of