| 40 Railroad Transportation | <<back |
| Code | SIC Description |
| 4011 | Railroads, Line-haul Operating |
| 4013 | Railroad Switching and Terminal Establishments Beltline and Logging Railroads Other |
| 41 Local and interurban passenger transit | <<back |
| Code | SIC Description |
| 4111 | Local and Suburban
Transit Mixed Mode Transit Systems Commuter Rail Systems Bus and Motor Vehicle Transit Systems Other Urban Transit Systems Airport Limousine Transportation |
| 4119 | Local Passenger Transportation,
NEC Ambulances Employee Transportation Sightseeing Buses and Cable and Cog Railways, Except Scenic Special Needs Transportation Hearse Rental with Driver and Carpool and Vanpool Operations Automobile Rental with Driver and Limousine Rental with Driver |
| 4121 | Taxicabs |
| 4131 | Intercity and Rural Bus Transportation |
| 4141 | Local Bus Charter Service |
| 4142 | Bus Charter Service, Except Local |
| 4151 | School Buses |
| 4173 | Terminal and Service Facilities for Motor Vehicle Passenger Transportation |
| 42 Motor freight transportation and warehousing | <<back |
| Code | SIC Description |
| 4212 | Local Trucking Without
Storage Solid Waste Collection Without Disposal Hazardous Waste Collection Without Disposal Other Waste Collection Without Disposal Local General Freight Trucking Without Storage Household Goods Moving Without Storage Local Specialized Freight Trucking Without Storage |
| 4213 | Trucking, Except Local
Long-distance Truckload General Freight Trucking Long-distance Less Than Truckload General Freight Trucking Long-distance Household Goods Moving Long-distance Specialized Freight Trucking |
| 4214 | Local Trucking with
Storage Local General Freight Trucking with Storage Local Household Goods Moving Local Specialized Freight Trucking with Storage |
| 4215 | Couriers Services
Except by Air Hub and Spoke Intercity Delivery Local Delivery |
| 4221 | Farm Product Warehousing and Storage |
| 4222 | Refrigerated Warehousing and Storage |
| 4225 | General Warehousing
and Storage General Warehousing and Storage Miniwarehouses and Self-Storage Units |
| 4226 | Special Warehousing
and Storage, NEC Fur Storage General Warehousing in Foreign Trade Zones Other |
| 4231 | Terminal and Joint
Terminal Maintenance Facilities for Motor Freight Transportation |
| 43 U.S. Postal Service | <<back |
| Code | SIC Description |
| 4311 | United States Postal Service |
| 44 Water transportation | <<back |
| Code | SIC Description |
| 4412 | Deep Sea Foreign Transportation of Freight |
| 4424 | Deep Sea Domestic Transportation of Freight |
| 4432 | Freight Transportation on the Great Lakes - St. Lawrence Seaway |
| 4449 | Water Transportation of Freight, NEC |
| 4481 | Deep Sea Transportation of Passengers, Except by Ferry Deep Sea Passenger Transportation Coastal and Great Lakes Passenger Transportation |
| 4482 | Ferries Coastal and Great Lakes Ferries Inland Water Ferries |
| 4489 | Water Transportation
of Passengers, NEC Water Taxis Airboats, Excursion Boats, and Sightseeing Boats |
| 4491 | Marine Cargo Handling
Dock and Pier Operations Except Dock and Pier Operations |
| 4492 | Towing and Tugboat
Services Coastal and Great Lakes Barge Operations Inland Water Barge Operations Except Barge Operations |
| 4493 | Marinas |
| 4499 | Water Transportation
Services, NEC Boat and Ship Rental Lighthouse Operations Marine Salvage and Piloting Vessels In and Out of Harbors Other |
| 45 Transportation by air | <<back |
| Code | SIC Description |
| 4512 | Air Transportation,
Scheduled Scheduled Passenger Air Transportation Scheduled Freight Air Transportation |
| 4513 | Air Courier Services |
| 4522 | Air Transportation,
Nonscheduled Air Ambulance Nonscheduled Charter Freight Air Transportation Nonscheduled Charter Passenger Air Transportation Sightseeing Aircraft |
| 4581 | Airports, Flying Fields,
and Airport Terminal Services Air Traffic Control Airfreight Handling at Airports, Hangar Operations, Airport Terminal Services, Aircraft Storage, Airports, and Flying F Aircraft Cleaning and Janitorial Services Aircraft Servicing and Repairing |
| 46 Pipelines, except natural gas | <<back |
| Code | SIC Description |
| 4612 | Crude Petroleum Pipelines |
| 4613 | Refined Petroleum Pipelines |
| 4619 | Pipelines, NEC |
| 47 Transportation services | <<back |
| Code | SIC Description |
| 4724 | Travel Agencies |
| 4725 | Tour Operators |
| 4729 | Arrangement of Passenger
Transportation, NEC Arrangement of Carpools and Vanpools Except Arrangement of Carpools and Vanpools |
| 4731 | Arrangement of Transportation
of Freight and Cargo Freight Rate Auditors and Tariff Consultants
Except Freight Rate Auditors and Tariff Consultants |
| 4741 | Rental of Railroad
Cars Rental of Railroad Cars Grain Leveling in Railroad Cars, Grain Trimming for Railroad Equipment, Precooling of Fruits and Vegetables in Connecti |
| 4783 | Packing and Crating |
| 4785 | Fixed Facilities and Inspection and Weighing Services for Motor Vehicle Transportation Marine Cargo Checkers Except Marine Cargo Checkers |
| 4789 | Transportation Services, NEC Pipeline Terminals and Stockyards for Transportation Horse-drawn Cabs and Carriages Other |
| 48 Communications | <<back |
| Code | SIC Description |
| 4812 | Radiotelephone Communications
Paging Carriers Cellular Carriers Paging and Cellular Resellers |
| 4813 | Telephone Communications,
Except Radiotelephone Except Resellers Resellers |
| 4822 | Telegraph and Other Message Communications |
| 4832 | Radio Broadcasting
Stations Networks Stations |
| 4833 | Television Broadcasting Stations |
| 4841 | Cable and Other Pay
Television Services Cable Networks Except Cable Networks |
| 4899 | Communications Services,
NEC Radio Dispatch Satellite Communications Except Radio Dispatch and Satellite Communications |
| 49 Electric, gas, and sanitary services | <<back |
| Code | SIC Description |
| 4911 | Electric Services
Hydroelectric Power Generation Electric Power Generation by Fossil Fuels Electric Power Generation by Nuclear Fuels Other Electric Power Generation Electric Power Transmission and Control Electric Power Distribution |
| 4922 | Natural Gas Transmission |
| 4923 | Natural Gas Transmission
and Distribution Distribution Transmission |
| 4924 | Natural Gas Distribution |
| 4925 | Mixed, Manufactured,
or Liquefied Petroleum Gas Production and/or Distribution |
| 4931 | Electric and Other
Services Combined Hydroelectric Power Generation When Combined with Other Services Electric Power Generation by Fossil Fuels When Combined with Other Services Electric Power Generation by Nuclear Fuels When Combined with Other Services Other Electric Power Generation When Combined with Other Services Electric Power Transmission When Combined with Other Services Electric Power Distribution When Combined with Other Services Natural Gas When Combined with Electric Services |
| 4932 | Gas and Other Services Combined |
| 4939 | Combination Utilities,
NEC Hydroelectric Power Generation When Combined with Other Services Electric Power Generation by Fossil Fuels When Combined with Other Services Electric Power Generation by Nuclear Fuels When Combined with Other Services Other Power Generation When Combined with Other Services Electric Power Transmission When Combined with Other Services Electric Power Distribution When Combined with Other Services Natural Gas Distribution when Combined with Other Services |
| 4941 | Water Supply |
| 4952 | Sewerage Systems |
| 4953 | Refuse Systems Solid Waste Collection When Combined with Disposal Hazardous Waste Collection When Combined with Disposal Materials Recovery Facilities Other Waste Collection When Combined with Disposal Hazardous Waste Treatment and Disposal Solid Waste Landfills Solid Waste Combustors and Incinerators Other Nonhazardous Waste Treatment and Disposal |
| 4959 | Sanitary Services,
NEC Vacuuming of Airport Runways Remediation Services Malaria Control and Mosquito Eradication Other |
| 4961 | Steam and Air-Conditioning Supply |
| 4971 | Irrigation Systems |
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