

481 Air Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 481 | Air Transportation | ||||
| 4811 | Scheduled Air Transportation | ||||
| 48111 | Scheduled Air Transportation | ||||
| 481111 | Scheduled Passenger Air Transportation | u | N | *4512 | Air Transportation, Scheduled (passenger) |
| 481112 | Scheduled Freight Air Transportation | u | N | *4512 | Air Transportation, Scheduled (freight) |
| 4812 | Nonscheduled Air Transportation | ||||
| 48121 | Nonscheduled Air Transportation | ||||
| 481211 | Nonscheduled Chartered Passenger Air Transportation | u | N | *4522 | Air Transportation, Nonscheduled (passenger) |
| 481212 | Nonscheduled Chartered Freight Air Transportation | u | N | *4522 | Air Transportation, Nonscheduled (freight) |
| 481219 | Other Nonscheduled Air Transportation | u | N | Establishments that use general purpose aircraft to provide a variety of specialized flying services |
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482 Rail Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 482 | Rail Transportation | ||||
| 4821 | Rail Transportation | ||||
| 48211 | Rail Transportation | ||||
| 482111 | Line-Haul Railroads | u | E | 4011 | Railroads, Line-Haul Operating |
| 482112 | Short Line Railroads | c | N | *4013 | Railroad Switching and Terminal Establishments (belt line and logging railroads) |
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483 Water Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 483 | Water Transportation | ||||
| 4831 | Deep Sea, Coastal, and Great Lakes Water Transportation | ||||
| 48311 | Deep Sea, Coastal, and Great Lakes Water Transportation | ||||
| 483111 | Deep Sea Freight Transportation | u | E | 4412 | Deep Sea Foreign Transportation of Freight |
| 483112 | Deep Sea Passenger Transportation | u | R | *4481 | Deep Sea Transportation of Passengers, Except by Ferry (deep sea activities) |
| 483113 | Coastal and Great Lakes Freight Transportation | u | R | 4424 | Deep Sea Domestic Transportation of Freight |
| 4432 | Freight Transportation on the Great Lakes - St. Lawrence Seaway | ||||
| 483114 | Coastal and Great Lakes Passenger Transportation | u | R | *4481 | Deep Sea Transportation of Passengers, Except by Ferry (coastal activities) |
| *4482 | Ferries (coastal and Great Lakes) | ||||
| 4832 | Inland Water Transportation | ||||
| 48321 | Inland Water Transportation | ||||
| 483211 | Inland Water Freight Transportation | u | E | 4449 | Water Transportation of Freight, NEC |
| 483212 | Inland Water Passenger Transportation | u | R | *4482 | Ferries (inland) |
| *4489 | Water Transportation of Passengers, NEC (water taxi) |
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484 Truck Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 484 | Truck Transportation | ||||
| 4841 | General Freight Trucking | ||||
| 48411 | General Freight Trucking, Local | N | *4212 | Local Trucking without Storage (general freight) | |
| *4214 | Local Trucking with Storage (general freight) | ||||
| 48412 | General Freight Trucking, Long-Distance | ||||
| 484121 | General Freight Trucking, Long-Distance, Truckload | c | N | *4213 | Trucking, Except Local (general freight, truckload) |
| 484122 | General Freight Trucking, Long-Distance, Less Than Truckload | c | N | *4213 | Trucking, Except Local (general freight, less than truckload) |
| 4842 | Specialized Freight Trucking | ||||
| 48421 | Used Household and Office Goods Moving | N | *4212 | Local Trucking Without Storage (household goods moving) | |
| *4213 | Trucking, Except Local (household goods moving) | ||||
| *4214 | Local Trucking With Storage (household goods moving) | ||||
| 48422 | Specialized Freight (except Used Goods) Trucking, Local | N | *4212 | Local Trucking without Storage (specialized freight) | |
| *4214 | Local Trucking with Storage (specialized freight) | ||||
| 48423 | Specialized Freight (except Used Goods) Trucking, Long-Distance | N | *4213 | Trucking, Except Local (specialized freight) |
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485 Transit and Ground Passenger Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 485 | Transit and Ground Passenger Transportation | ||||
| 4851 | Urban Transit Systems | ||||
| 48511 | Urban Transit Systems | ||||
| 485111 | Mixed Mode Transit Systems | u | N | *4111 | Local and Suburban Transit (mixed mode) |
| 485112 | Commuter Rail Systems | u | N | *4111 | Local and Suburban Transit (commuter rail) |
| 485113 | Bus and Other Motor Vehicle Transit Systems | u | N | *4111 | Local and Suburban Transit (bus and motor vehicle) |
| 485119 | Other Urban Transit Systems | u | N | *4111 | Local and Suburban Transit (other than mixed mode, commuter rail, and bus and motor vehicle) |
| 4852 | Interurban and Rural Bus Transportation | ||||
| 48521 | Interurban and Rural Bus Transportation | E | 4131 | Intercity and Rural Bus Transportation | |
| 4853 | Taxi and Limousine Service | ||||
| 48531 | Taxi Service | R | 4121 | Taxicabs | |
| *4899 | Communications Services, NEC (taxi cab dispatch services) | ||||
| 48532 | Limousine Service | N | *4119 | Local Passenger Transportation, NEC (limousine rental with driver and automobile rental with driver) | |
| 4854 | School and Employee Bus Transportation | ||||
| 48541 | School and Employee Bus Transportation | R | 4151 | School Buses | |
| *4119 | Local Passenger Transportation, NEC (employee transportation) | ||||
| 4855 | Charter Bus Industry | ||||
| 48551 | Charter Bus Industry | R | 4141 | Local Charter Bus Service | |
| 4142 | Bus Charter Services, Except Local | ||||
| 4859 | Other Transit and Ground Passenger Transportation | ||||
| 48599 | Other Transit and Ground Passenger Transportation | ||||
| 485991 | Special Needs Transportation | u | N | *4119 | Local Passenger Transportation, NEC (special needs transportation) |
| 485999 | All Other Transit and Ground Passenger Transportation | u | R | *4111 | Local and Suburban Transit (airport transportation service) |
| *4119 | Local Passenger Transportation, NEC (hearse rental with driver and carpool and vanpool operation) |
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486 Pipeline Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 486 | Pipeline Transportation | ||||
| 4861 | Pipeline Transportation of Crude Oil | ||||
| 48611 | Pipeline Transportation of Crude Oil | E | 4612 | Crude Petroleum Pipelines | |
| 4862 | Pipeline Transportation of Natural Gas | ||||
| 48621 | Pipeline Transportation of Natural Gas | R | 4922 | Natural Gas Transmission | |
| *4923 | Natural Gas Transmission and Distribution (transmission) | ||||
| 4869 | Other Pipeline Transportation | ||||
| 48691 | Pipeline Transportation of Refined Petroleum Products | E | 4613 | Refined Petroleum Pipelines | |
| 48699 | All Other Pipeline Transportation | E | 4619 | Pipelines, NEC |
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487 Scenic and Sightseeing Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 487 | Scenic and Sightseeing Transportation | ||||
| 4871 | Scenic and Sightseeing Transportation, Land | ||||
| 48711 | Scenic and Sightseeing Transportation, Land | N | *4119 | Local Passenger Transportation, NEC (sightseeing buses and cable and cog railways, except scenic) | |
| *4789 | Transportation Services, NEC (horse-drawn cabs and carriages) | ||||
| *7999 | Amusement and Recreation Services, NEC (scenic transport operations, land) | ||||
| 4872 | Scenic and Sightseeing Transportation, Water | ||||
| 48721 | Scenic and Sightseeing Transportation, Water | N | *4489 | Water Transportation of Passengers, NEC (airboats, excursion boats, and sightseeing boats) | |
| *7999 | Amusement and Recreation Services, NEC (charter fishing) | ||||
| 4879 | Scenic and Sightseeing Transportation, Other | ||||
| 48799 | Scenic and Sightseeing Transportation, Other | N | *4522 | Air Transportation, Nonscheduled (sightseeing planes) | |
| *7999 | Amusement and Recreation Services, NEC (aerial tramways, scenic and amusement) |
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488 Support Activities for Transportation
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 488 | Support Activities for Transportation | ||||
| 4881 | Support Activities for Air Transportation | ||||
| 48811 | Airport Operations | ||||
| 488111 | Air Traffic Control | c | N | *4581 | Airports, Flying Fields, and Airport Terminal Services (private air traffic control) |
| *9621 | Regulation and Administration of Transportation Programs (government air traffic control) | ||||
| 488119 | Other Airport Operations | c | N | *4581 | Airports, Flying Fields, and Airport Terminal Services (airfreight handling at airports, hangar operations, airport termin |
| *4959 | Sanitary Services, NEC (vacuuming of runways) | ||||
| 48819 | Other Support Activities for Air Transportation | N | *4581 | Airports, Flying Fields, and Airport Terminal Services (aircraft servicing and repairing) | |
| 4882 | Support Activities for Rail Transportation | ||||
| 48821 | Support Activities for Rail Transportation | R | *4013 | Railroad Switching and Terminal Establishments (all but short line railroads) | |
| *4741 | Rental of Railroad Cars (grain leveling in railroad cars, grain trimming for railroad equipment, precooling of fruits and | ||||
| *4789 | Transportation Services, NEC (car loading and unloading; cleaning of railroad ballasts; dining, parlor, sleeping, and othe | ||||
| 4883 | Support Activities for Water Transportation | ||||
| 48831 | Port and Harbor Operations | N | *4491 | Marine Cargo Handling (dock and pier operations) | |
| *4499 | Water Transportation Services, NEC (lighthouse and canal operations) | ||||
| 48832 | Marine Cargo Handling | R | *4491 | Marine Cargo Handling (all but dock and pier operations) | |
| 48833 | Navigational Services to Shipping | N | *4492 | Towing and Tugboat Services | |
| *4499 | Water Transportation Services, NEC (piloting vessels in and out of harbors and marine salvage) | ||||
| 48839 | Other Support Activities for Water Transportation | R | *3731 | Ship Building and Repairing (floating dry docks not associated with a shipyard) | |
| *4499 | Water Transportation Services, NEC (all but lighthouse operations, piloting vessels in and out of harbors, boat and ship r | ||||
| *4785 | Fixed Facilities and Inspection and Weighing Services for Motor Vehicle Transportation (marine cargo checkers) | ||||
| *7699 | Repair Shops and Related Services, NEC (ship scaling) | ||||
| 4884 | Support Activities for Road Transportation | ||||
| 48841 | Motor Vehicle Towing | N | *7549 | Automotive Services, Except Repair and Carwashes (towing) | |
| 48849 | Other Support Activities for Road Transportation | R | 4173 | Terminal and Service Facilities for Motor Vehicle Passenger Transportation | |
| 4231 | Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation | ||||
| *4785 | Fixed Facilities and Inspection and Weighing Services for Motor Vehicle Transportation (all but marine cargo checkers) | ||||
| 4885 | Freight Transportation Arrangement | ||||
| 48851 | Freight Transportation Arrangement | R | *4731 | Arrangement of Transportation of Freight and Cargo (except freight rate auditors and tariff consultants) | |
| 4889 | Other Support Activities for Transportation | ||||
| 48899 | Other Support Activities for Transportation | ||||
| 488991 | Packing and Crating | u | E | 4783 | Packing and Crating |
| 488999 | All Other Support Activities for Transportation | u | R | *4729 | Arrangement of Passenger Transportation, NEC (arrangement of carpools and vanpools) |
| *4789 | Transportation Services, NEC (pipeline terminals and stockyards for transportation) |
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491 Postal Service
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 491 | Postal Service | ||||
| 4911 | Postal Service | ||||
| 49111 | Postal Service | R | 4311 | United States Postal Service | |
| *7389 | Business Services, NEC (post office contract stations) |
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492 Couriers and Messengers
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 492 | Couriers and Messengers | ||||
| 4921 | Couriers | ||||
| 49211 | Couriers | R | *4215 | Courier Services, Except by Air (hub and spoke intercity delivery) | |
| 4513 | Air Courier Services | ||||
| 4922 | Local Messengers and Local Delivery | ||||
| 49221 | Local Messengers and Local Delivery | N | *4215 | Courier Services, Except by Air (local delivery) |
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493 Warehousing and Storage
| 1997 NAICS |
1997 NAICS U.S. Description | Codes | 1987 SIC |
1987 U.S. SIC Description | |
|---|---|---|---|---|---|
| 493 | Warehousing and Storage | ||||
| 4931 | Warehousing and Storage | ||||
| 49311 | General Warehousing and Storage | R | *4225 | General Warehousing and Storage (all but self-storage miniwarehouse warehousing) | |
| *4226 | Special Warehousing and Storage, NEC (warehousing in foreign trade zones) | ||||
| 49312 | Refrigerated Warehousing and Storage | R | 4222 | Refrigerated Warehousing and Storage | |
| *4226 | Special Warehousing and Storage, NEC (fur storage) | ||||
| 49313 | Farm Product Warehousing and Storage | E | 4221 | Farm Product Warehousing and Storage | |
| 49319 | Other Warehousing and Storage | R | *4226 | Special Warehousing and Storage, NEC (all but fur storage and warehousing in foreign trade zones) |
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