MAJOR GROUP 40: Railroad TransportationThis major group includes establishments furnishing transportation by line-haul railroad, and switching and terminal establishments. Railways serving a single municipality, contiguous municipalities, or a municipality and its suburban areas are classified in Major Group 41. Other services related to railroad transportation are classified in Major Group 47. Lessors of railroad property are classified in Real Estate, Industry 6517.
MAJOR GROUP 41: Local and Suburban Transit and Interurban Highway Passenger TransportationThis major group includes establishments primarily engaged in furnishing local and suburban passenger transportation, such as those providing passenger transportation within a single municipality, contiguous municipalities, or a municipality and its suburban areas, by bus, rail, or subway, either separately or in combination, and establishments engaged in furnishing transportation to local scenic features. Also included are establishments primarily engaged in furnishing highway passenger transportation and establishments furnishing highway passenger terminal or maintenance facilities. Intercity bus lines are included in this major group, but interurban railways are classified in Major Group 40.
MAJOR GROUP 42: Motor Freight Transportation and WarehousingThis major group includes establishments furnishing local or long-distance trucking or transfer services, or those engaged in the storage of farm products, furniture and other household goods, or commercial goods of any nature. The operation of terminal facilities for handling freight, with or without maintenance facilities, is also included. Establishments primarily engaged in the storage of natural gas are classified in Industry 4922. Field warehousing is classified in Services, Industry 7389. Establishments of the United States Postal Service are classified in Major Group 43.
MAJOR GROUP 43: United States Postal ServiceThis major group includes all establishments of the United States Postal Service. Post Office contract stations are classified in Services, Industry 7389. Establishments primarily transporting mail on a contract basis for the Unites States Postal Service are classified in Industry Group 421 and Major Group 45. Private postal services primarily engaged in the delivery of unaddressed advertising materials are classified in Services, Industry 7319, and private establishments delivering individually addressed letters, parcels, and packages are classified in Industry Group 421 and Major Group 45.
MAJOR GROUP 44: Water TransportationThis major group includes establishments engaged in freight and passenger transportation on the open seas or inland waters, and establishments furnishing such incidental services as lighterage, towing, and canal operation. This major group also includes excursion boats, sightseeing boats, and water taxis. Cargo handling operations when carried on by transportation companies and separately reported are classified in Industry 4491. When separate reports for cargo handling are not available, these operations are classified with the transportation establishment. Establishments engaged in the operation of charter or party fishing boats are classified in Services, Industry 7999.
MAJOR GROUP 45: Transportation by AirThis major group includes establishments engaged in furnishing domestic and foreign transportation by air and also those operating airports and flying fields and furnishing terminal services. Establishments primarily engaged in performing services which may incidentally use airplanes (e.g., crop dusting and aerial photography) are classified according to the service performed.
MAJOR GROUP 46: Pipelines, Except Natural GasThis major group includes establishments primarily engaged in the pipeline transportation of petroleum and other commodities, except natural gas. Pipelines operated by petroleum producing or refining companies and separately reported are included. Establishments primarily engaged in natural gas transmission are classified in Industry 4922.
MAJOR GROUP 47: Transportation ServicesThis major group includes establishments furnishing services incidental to transportation, such as forwarding and packing services, and the arrangement of passenger and freight transportation.
MAJOR GROUP 48: CommunicationsThis major group includes establishments furnishing point-to-point communications services, whether intended to be received aurally or visually; and radio and television broadcasting. This major group also includes establishments primarily engaged in providing paging and beeper services and those engaged in leasing telephone lines or other methods of telephone transmission, such as optical fiber lines and microwave or satellite facilities, and reselling the use of such methods to others. Establishments primarily engaged in furnishing telephone answering services are classified in Services, Industry 7389.
MAJOR GROUP 49: Electric, Gas, and Sanitary ServicesThis major group includes establishments engaged in the generation, transmission, and/or distribution of electricity or gas or steam. Such establishments may be combinations of any of the above three services and also include other types of services, such as transportation, communications, and refrigeration. Water and irrigation systems, and sanitary systems engaged in the collection and disposal of garbage, sewage, and other wastes by means of destroying or processing materials, are also included. If one service of a combination system does not constitute 95 percent or more of revenues, the establishment should be classified as a combination in Industry Group 493, with the subgroup being determined by the major service supplied.
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