1992 CENSUS OF TRANSPORTATION, COMMUNICATIONS, AND UTILITIES Kind-of-Business Descriptions =>TRANSPORTATION, COMMUNICATIONS, AND UTILITIES Transportation, Communications, Electric, Gas, and Sanitary Services as defined in Division E of the 1987 Standard Industrial Classification (SIC) Manual, includes establishments primarily engaged in rendering a wide variety of services to individuals, business and government establishments, and other organizations. Establishments covered by the census were assigned kind-of-business classifications according to the industry classifications defined in the 1987 SIC manual. When a more detailed classification than defined in the 1987 SIC manual was needed, additional kinds of business were identified within an SIC industry. The basis for a kind-of-business classification is described in COVERAGE AND METHODOLOGY. Descriptions of those kinds of business for which data are provided follow. =>RAILROAD TRANSPORTATION (SIC MAJOR GROUP 40) (Data presented for SIC Major Group 40, Railroad transportation, were reported to the Association of American Railroads and published in Railroad Facts, 1993 edition. These data are shown for the United States only.) This group includes establishments furnishing transportation by line-haul railroad, and switching and terminal establishments. Passenger 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. =>LOCAL AND SUBURBAN TRANSIT AND INTERURBAN HIGHWAY PASSENGER TRANSPORTATION (SIC MAJOR GROUP 41) This 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 area, 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. LOCAL AND SUBURBAN TRANSIT (SIC 4111) Establishments primarily engaged in furnishing local and suburban mass passenger transportation over regular routes and on regular schedules, with operations confined principally to a municipality, contiguous municipalities, or a municipality and its suburban areas. Also included in this industry are establishments primarily engaged in furnishing passenger transportation by automobile, bus, or rail to, from, or between airports or rail terminals, over regular routes, and those providing bus and rail commuter services. LOCAL PASSENGER TRANSPORTATION, N.E.C. (SIC 4119) Establishments primarily engaged in furnishing miscellaneous passenger transportation, where such operations are principally within a municipality, contiguous municipalities, or a municipality and its suburban areas. Establishments primarily engaged in renting passenger automobiles without drivers are classified in Services, Industry Group 751. Establishments primarily operating ski lifts, tows, and other recreational lifts are classified in Services, Industry 7999. For large geographic areas, data are presented for the following subdivisions of this classification: Sightseeing bus. Limousine or auto rental with driver. Ambulance or rescue service, except by air. Other local passenger transportation, n.e.c. TAXICABS (SIC 4121) Establishments primarily engaged in furnishing passenger transportation by automobiles not operated on regular schedules or between fixed terminals. Taxicab fleet owners and organizations are included, regardless of whether drivers are hired or rent their cabs or are otherwise compensated. Establishments primarily engaged in furnishing passenger transportation by automobile or bus, to, from, or between airports or rail terminals, over regular routes, are classified in Industry 4111. Taxicab associations and similar organizations which do not operate taxicabs, but supply maintenance and repair services to their members, are classified in Industry 4173. INTERCITY AND RURAL BUS TRANSPORTATION (SIC 4131) Establishments primarily engaged in furnishing bus transportation, over regular routes and on regular schedules, the operations of which are principally outside a single municipality, outside one group of contiguous municipalities, and outside a single municipality and its suburban areas. Charter bus transportation services are classified in Industry 4142. LOCAL BUS CHARTER SERVICE (SIC 4141) Establishments primarily engaged in furnishing local bus charter service where such operations are principally within a single municipality, contiguous municipalities, or a municipality and its suburban areas. Charter bus transportation services, except local, are classified in Industry 4142. BUS CHARTER SERVICE, EXCEPT LOCAL (SIC 4142) Establishments primarily engaged in furnishing bus charter service, except local, where such operations are principally outside a single municipality, outside one group of contiguous municipalities, and outside a single municipality and its suburban areas. SCHOOL BUSES (SIC 4151) Establishments primarily engaged in operating buses to transport pupils to and from school. School bus establishments operated by educational institutions should be treated as auxiliaries. TERMINAL AND SERVICE FACILITIES FOR MOTOR VEHICLE PASSENGER TRANSPORTATION (SIC 4173) Establishments primarily engaged in the operation of motor vehicle passenger terminals and of maintenance and service facilities, not operated by companies that also furnish motor vehicle passenger transportation. Establishments that are owned by motor vehicle passenger transportation companies and are primarily engaged in operating terminals for use of such vehicles are classified in the same industry as the establishments providing the motor vehicle transportation. Separate maintenance and service facilities operated by companies furnishing motor vehicle passenger transportation should be treated as auxiliaries. Establishments which provide motor vehicle maintenance or service for the general public are classified in Services, Industry Group 753. =>MOTOR FREIGHT TRANSPORTATION AND WAREHOUSING (SIC MAJOR GROUP 42) This 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. LOCAL TRUCKING WITHOUT STORAGE (SIC 4212) Establishments primarily engaged in furnishing trucking or transfer services without storage for freight generally weighing more than 100 pounds, in a single municipality, contiguous municipalities, or a municipality and its suburban areas. Establishments primarily engaged in furnishing local courier services for letters, parcels, and packages generally weighing less than 100 pounds are classified in Industry 4215; those engaged in collecting and disposing of refuse by processing or destruction of materials are classified in Industry 4953; those engaged in removing overburden from mines or quarries are classified in Division B, Mining; and construction contractors hauling dirt and rock as a part of their construction activity are classified in Division C, Construction. For large geographic areas, data are presented for the following subdivisions of this classification: Household goods moving. General freight. Hazardous materials. Agricultural products. Garbage and trash collection. Dump trucking. Other local trucking without storage, n.e.c. TRUCKING, EXCEPT LOCAL (SIC 4213) Establishments primarily engaged in furnishing "over-the-road" trucking services or trucking services and storage services, including household goods either as common carriers or under special or individual contracts or agreements, for freight generally weighing more than 100 pounds. Such operations are principally outside a single municipality, outside one group of contiguous municipalities, or outside a single municipality and its suburban areas. Establishments primarily engaged in furnishing air courier services for individually addressed letters, parcels, and packages generally weighing less than 100 pounds are classified in Industry 4513 and other courier services for individually addressed letters, parcels, and packages generally weighing less than 100 pounds are classified in Industry 4215. For large geographic areas, data are presented for the following subdivisions of this classification: Household goods moving. General freight. Hazardous materials. Agricultural products. Other trucking, except local, n.e.c. LOCAL TRUCKING WITH STORAGE (SIC 4214) Establishments primarily engaged in furnishing both trucking and storage services, including household goods, within a single municipality, contiguous municipalities, or a municipality and its suburban areas. Establishments primarily engaged in furnishing warehousing and storage of household goods when not combined with trucking are classified in Industry 4226. Establishments primarily engaged in furnishing local courier services for letters, parcels, and packages weighing less than 100 pounds are classified in Industry 4215. For large geographic areas, data are presented for the following subdivisions of this classification: Household goods moving. Other local trucking with storage. COURIER SERVICES, EXCEPT BY AIR (SIC 4215) Establishments primarily engaged in the delivery of individually addressed letters, parcels, and packages (generally under 100 pounds), except by means of air transportation or by the United States Postal Service. Delivery is usually made by street or highway within a local area or between cities. Establishments primarily engaged in furnishing air delivery of individually addressed letters, parcels, and packages, except by the United States Postal Service, are classified in Industry 4513, and establishments of the United States Postal Service are classified in Industry 4311. Establishments primarily engaged in the delivery of advertising and other unaddressed letters, parcels, and packages are classified in Industry 7319. Establishments primarily engaged in undertaking the transportation of goods from shippers to receivers for a charge covering the entire transportation, but making use of other transportation establishments to effect the entire delivery are classified in Industry 4731. Establishments primarily engaged in furnishing armored car services are classified in Services, Industry 7381. FARM PRODUCT WAREHOUSING AND STORAGE (SIC 4221) Establishments primarily engaged in the warehousing and storage of farm products. Establishments primarily engaged in refrigerated warehousing are classified in Industry 4222. REFRIGERATED WAREHOUSING AND STORAGE (SIC 4222) Establishments primarily engaged in the warehousing and storage of perishable goods under refrigeration. The establishment may also rent locker space for the storage of food products for individual households and provide incidental services for processing, preparing, or packaging such food for storage. Establishments primarily selling frozen foods for home freezers (freezer and locker meat provisioners) are classified in Retail Trade, Industry 5421. GENERAL WAREHOUSING AND STORAGE (SIC 4225) Establishments primarily engaged in the warehousing and storage of a general line of goods. The warehousing of goods at foreign trade zones is classified in Industry 4226. Field warehousing is classified in Services, Industry 7389. For large geographic areas, data are presented for the following subdivisions of this classification: General goods warehousing. Self-service or miniwarehousing. SPECIAL WAREHOUSING AND STORAGE, N.E.C. (SIC 4226) Establishments primarily engaged in the warehousing and storage of special products, not elsewhere classified, such as household goods, automobiles (dead storage only), furs (for the trade), textiles, whiskey, and goods at foreign trade zones. Warehouses primarily engaged in blending wines are classified in Wholesale Trade, Industry 5182. Terminal and joint terminal maintenance facilities for motor freight transportation (SIC 4231). Establishments primarily engaged in the operation of terminal facilities used by highway-type property carrying vehicles. Also included are terminals which provide maintenance and service for motor vehicles. Terminals operated by motor freight transportation companies for their own use are classified in Industry Group 421. Separate maintenance and service facilities operated by motor freight transportation companies are classified as auxiliary. Establishments primarily engaged in the repair of trucks are classified in Services, Industry Group 753. =>WATER TRANSPORTATION (SIC MAJOR GROUP 44) This 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. DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT (SIC 4412) Establishments primarily engaged in operating vessels for the transportation of freight on the deep seas between the United States and foreign ports. Establishments operating vessels for the transportation of freight which travel to foreign ports and also to noncontiguous territories are classified in this industry. DEEP SEA DOMESTIC TRANSPORTATION OF FREIGHT (SIC 4424) Establishments primarily engaged in operating vessels for the transportation of freight on the deep seas between ports of the United States, the Panama Canal Zone, Puerto Rico, and United States island possessions or protectorates. Also included are operations limited to the coasts of Alaska, Hawaii, or Puerto Rico. Establishments performing transportation of freight on the intracoastal waterways paralleling the Atlantic and Gulf coasts are classified in Industry 4449. FREIGHT TRANSPORTATION ON THE GREAT LAKES--ST. LAWRENCE SEAWAY (SIC 4432) Establishments primarily engaged in the transportation of freight on the Great Lakes and the St. Lawrence Seaway, either between United States ports or between United States and Canadian ports. WATER TRANSPORTATION OF FREIGHT, N.E.C. (SIC 4449) Establishments primarily engaged in the transportation of freight on all inland waterways, including the intracoastal waterways on the Atlantic and Gulf coasts. Transportation of freight on the Great Lakes and the St. Lawrence Seaway is classified in Industry 4432. Establishments primarily engaged in providing lighterage and towing or tugboat services are classified in Industry Group 449. DEEP SEA TRANSPORTATION OF PASSENGERS, EXCEPT BY FERRY (SIC 4481) Establishments primarily engaged in operating vessels for the transportation of passengers on the deep seas. FERRIES (SIC 4482) Establishments primarily engaged in operating ferries for the transportation of passengers or vehicles. Establishments primarily engaged in providing lighterage services are classified in Industry 4499. WATER TRANSPORTATION OF PASSENGERS, N.E.C. (SIC 4489) Establishments primarily engaged in furnishing water transportation of passengers, not elsewhere classified, such as airboats (swamp buggy rides), excursion boat operations, and sightseeing boats. MARINE CARGO HANDLING (SIC 4491) Establishments primarily engaged in activities directly related to marine cargo handling from the time cargo, for or from a vessel, arrives at shipside, dock, pier, terminal, staging area, or in-transit area until cargo loading or unloading operations are completed. Included in this industry are establishments primarily engaged in the transfer of cargo between ships and barges, trucks, trains, pipelines, and wharfs. Cargo handling operations carried on by transportation companies and separately reported are classified here. This industry includes the operation and maintenance of piers, docks, and associated buildings and facilities; but lessors of such facilities are classified in Real Estate, Industry 6512. TOWING AND TUGBOAT SERVICES (SIC 4492) Establishments primarily engaged in furnishing marine towing and tugboat services in the performance of auxiliary or terminal services in harbor areas. The vessels used in performing these services do not carry cargo or passengers. MARINAS (SIC 4493) Establishments primarily engaged in operating marinas. These establishments rent boat slips and store boats, and generally perform a range of other services including cleaning and incidental boat repair. They frequently sell food, fuel, and fishing supplies, and may sell boats. Establishments primarily engaged in building or repairing boats and ships are classified in Manufacturing, Industry Group 373. Establishments primarily engaged in the operation of charter or party fishing boats or rental of small recreational boats are classified in Services, Industry 7999. WATER TRANSPORTATION SERVICES, N.E.C. (SIC 4499) Establishments primarily engaged in furnishing miscellaneous services incidental to water transportation, not elsewhere classified, such as lighterage; boat hiring, except for pleasure; chartering of vessels; canal operation; ship cleaning, except hold cleaning; and steamship leasing. Establishments primarily engaged in the operation of charter or party fishing boats or rental of small recreational boats are classified in Services, Industry 7999. =>TRANSPORTATION BY AIR (SIC MAJOR GROUP 45) This 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. AIR TRANSPORTATION, SCHEDULED (SIC 4512) (Data presented for SIC Major Group 45, Transportation by air, include revenue for large certificated passenger carriers that was reported to the office of Airline Statistics, U.S. Department of Transportation, and published in Air Carrier Financial Statistics Quarterly. These data are shown for the United States only.) Establishments primarily engaged in furnishing air transportation over regular routes and on regular schedules. This industry includes Alaskan carriers operating over regular or irregular routes. AIR COURIER SERVICES (SIC 4513) Establishments primarily engaged in furnishing air delivery of individually addressed letters, parcels, and packages (generally under 100 pounds), except by the U.S. Postal Service. While these establishments deliver letters, parcels, and packages by air, the initial pick-up and the final delivery are often made by other modes of transportation, such as by truck, bicycle, or motorcycle. Separate establishments of air courier companies engaged in providing pick-up and delivery only; "drop off points"; or distribution centers are all classified in this industry. Establishments of the U.S. Postal Service are classified in Industry 4311; and establishments furnishing delivery of individually addressed letters, parcels, or packages (generally under 100 pounds) other than by air are classified in Industry 4215. Establishments primarily engaged in undertaking the transportation of goods from shippers to receivers for charges covering the entire transportation, but making use of other transportation establishments to effect the entire delivery, are classified in Industry 4731. AIR TRANSPORTATION, NONSCHEDULED (SIC 4522) Establishments primarily engaged in furnishing nonscheduled air transportation. Also included in this industry are establishments primarily engaged in furnishing airplane sightseeing services, air taxi services and helicopter passenger transportation services to, from, or between local airports, whether or not scheduled. AIRPORTS, FLYING FIELDS, AND AIRPORT TERMINAL SERVICES (SIC 4581) Establishments primarily engaged in operating and maintaining airports and flying fields; in servicing, repairing (except on a factory basis), maintaining, and storing aircraft; and in furnishing coordinated handling services for airfreight or passengers at airports. This industry also includes private establishments primarily engaged in air traffic control operations. Government air traffic control operations are classified in Public Administration, Industry 9621. Aircraft modification centers and establishments primarily engaged in factory-type overhaul of aircraft are classified in Manufacturing, Major Group 37, and flying fields maintained by aviation clubs are classified in Services, Industry 7997. =>PIPELINES, EXCEPT NATURAL GAS (SIC MAJOR GROUP 46) This 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. CRUDE PETROLEUM PIPELINES (SIC 4612) Establishments primarily engaged in the pipeline transportation of crude petroleum. Field gathering lines are classified in Mining, Major Group 13. REFINED PETROLEUM PIPELINES (SIC 4613) Establishments primarily engaged in the pipeline transportation of refined products of petroleum, such as gasoline and fuel oil. PIPELINES, N.E.C. (SIC 4619) Establishments primarily engaged in the pipeline transportation of commodities, except crude petroleum, refined products of petroleum, and natural gas. Establishments primarily engaged in the pipeline transportation of refined petroleum are classified in Industry 4613, and those engaged in natural gas transmission are classified in Industry 4922. =>TRANSPORTATION SERVICES (SIC MAJOR GROUP 47) This group includes establishments furnishing services incidental to transportation, such as forwarding and packing services, and the arrangement of passenger and freight transportation. TRAVEL AGENCIES (SIC 4724) Establishments primarily engaged in furnishing travel information and acting as agents in arranging tours, transportation, rental of cars, and lodging for travelers. Tour operators primarily engaged in arranging and assembling tours for sale through travel agents are classified in Industry 4725. TOUR OPERATORS (SIC 4725) Establishments primarily engaged in arranging and assembling tours for sale through travel agents. Tour operators primarily engaged in selling their own tours directly to travelers are also included in this industry. ARRANGEMENT OF PASSENGER TRANSPORTATION, N.E.C. (SIC 4729) Establishments primarily engaged in arranging passenger transportation, not elsewhere classified, such as ticket offices, not operated by transportation companies, for railroads, buses, ships, and airlines. ARRANGEMENT OF TRANSPORTATION OF FREIGHT AND CARGO (SIC 4731) Establishments primarily engaged in furnishing shipping information and acting as agents in arranging transportation for freight and cargo. Also included in this industry are freight forwarders which undertake the transportation of goods from the shippers to receivers for a charge covering the entire transportation, and, in turn, make use of the services of other transportation establishments as instrumentalities in effecting delivery. For large geographic areas, data are presented for the following subdivisions of this classification: Freight forwarders. Arrangement of freight and cargo, n.e.c. RENTAL OF RAILROAD CARS (SIC 4741) Establishments primarily engaged in renting railroad cars, whether or not also performing services connected with the use thereof, or in performing services connected with the rental of railroad cars. Establishments, such as banks and insurance companies, which purchase and lease railroad cars as investments are classified based on their primary activity. PACKING AND CRATING (SIC 4783) Establishments primarily engaged in packing, crating, and otherwise preparing goods for shipping. Establishments primarily engaged in packaging and labeling merchandise for purposes other than shipping (retail packaging) are classified in Industry 7389. FIXED FACILITIES AND INSPECTION AND WEIGHING SERVICES FOR MOTOR VEHICLE TRANSPORTATION (SIC 4785) Establishments primarily engaged in the inspection and weighing of goods in connection with transportation or in the operation of fixed facilities for motor vehicle transportation, such as toll roads, highway bridges, and other fixed facilities, except terminals. TRANSPORTATION SERVICES, N.E.C. (SIC 4789) Establishments primarily engaged in furnishing transportation or services incidental to transportation, not elsewhere classified. Included in this industry are stockyards that do not buy, sell, or auction livestock; sleeping and dining car operations not performed by railroads; and horse-drawn cabs and carriages for hire. =>COMMUNICATIONS (SIC MAJOR GROUP 48) This 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. RADIOTELEPHONE COMMUNICATIONS (SIC 4812) Establishments primarily engaged in providing two-way radiotelephone communications services, such as cellular telephone services. This industry also includes establishments primarily engaged in providing telephone 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. TELEPHONE COMMUNICATIONS, EXCEPT RADIOTELEPHONE (SIC 4813) Establishments primarily engaged in furnishing telephone voice and data communications, except radiotelephone and telephone answering services. This industry also includes establishments primarily 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 radiotelephone communications are classified in Industry 4812, and those furnishing telephone answering services are classified in Services, Industry 7389. TELEGRAPH AND OTHER MESSAGE COMMUNICATIONS (SIC 4822) Establishments primarily engaged in furnishing telegraph and other nonvocal message communications services, such as cablegram, electronic mail, and facsimile transmission services. RADIO BROADCASTING STATIONS (SIC 4832) Establishments primarily engaged in broadcasting aural programs by radio to the public. Included in this industry are commercial, religious, educational, and other radio stations. Also included here are establishments primarily engaged in radio broadcasting and which produce radio program materials. Separate establishments primarily engaged in producing radio program materials are classified in Services, Industry 7922. TELEVISION BROADCASTING STATIONS (SIC 4833) Establishments primarily engaged in broadcasting visual programs by television to the public, except cable and other pay television services. Included in this industry are commercial, religious, educational, and other television stations. Also included here are establishments primarily engaged in television broadcasting and which produce taped television program materials. Separate establishments primarily engaged in producing taped television program materials are classified in Services, Industry 7812. Establishments primarily engaged in furnishing cable and other pay television services are classified in Industry 4841. CABLE AND OTHER PAY TELEVISION SERVICES (SIC 4841) Establishments primarily engaged in the dissemination of visual and textual television programs, on a subscription or fee basis. Included in this industry are establishments which are primarily engaged in cablecasting and which also produce taped program materials. Separate establishments primarily engaged in producing taped television or motion picture program materials are classified in Services, Industry 7812. COMMUNICATIONS SERVICES, N.E.C. (SIC 4899) Establishments primarily engaged in furnishing communications services, not elsewhere classified. Establishments primarily engaged in providing on-line information retrieval services on a contract or fee basis are classified in Services, Industry 7375. =>ELECTRIC, GAS, AND SANITARY SERVICES (SIC MAJOR GROUP 49) This 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. ELECTRIC SERVICES (SIC 4911) Establishments engaged in the generation, transmission, and/or distribution of electric energy for sale. NATURAL GAS TRANSMISSION (SIC 4922) Establishments engaged in the transmission and/or storage of natural gas for sale. NATURAL GAS TRANSMISSION AND DISTRIBUTION (SIC 4923) Establishments engaged in both the transmission and distribution of natural gas for sale. NATURAL GAS DISTRIBUTION (SIC 4924) Establishments engaged in the distribution of natural gas for sale. MIXED, MANUFACTURED, OR LIQUEFIED PETROLEUM GAS PRODUCTION AND/OR DISTRIBUTION (SIC 4925) Establishments engaged in the manufacture and distribution of gas for sale, including mixtures of manufactured with natural gas. Establishments distributing liquefied petroleum (LP) gas in steel containers are classified in Retail Trade, Industry 5984. ELECTRIC AND OTHER SERVICES COMBINED (SIC 4931) Establishments primarily engaged in providing electric services in combination with other services, with electric services as the major part though less than 95 percent of the total. GAS AND OTHER SERVICES COMBINED (SIC 4932) Establishments primarily engaged in providing gas services in combination with other services, with gas services as the major part though less than 95 percent of the total. COMBINATION UTILITIES, N.E.C. (SIC 4939) Establishments primarily engaged in providing combinations of electric, gas, and other services, not elsewhere classified. WATER SUPPLY (SIC 4941) Establishments primarily engaged in distributing water for sale for domestic, commercial, and industrial use. Systems distributing water primarily for irrigation service are classified in Industry 4971. SEWERAGE SYSTEMS (SIC 4952) Establishments primarily engaged in the collection and disposal of wastes conducted through a sewer system, including such treatment processes as may be provided. REFUSE SYSTEMS (SIC 4953) Establishments primarily engaged in the collection and disposal of refuse by processing or destruction or in the operation of incinerators, waste treatment plants, landfills, or other sites for disposal of such materials. Establishments primarily engaged in collecting and transporting refuse without such disposal are classified in Transportation, Industry 4212. SANITARY SERVICES, N.E.C. (SIC 4959) Establishments primarily engaged in furnishing sanitary services, not elsewhere classified. STEAM AND AIR-CONDITIONING SUPPLY (SIC 4961) Establishments engaged in the production and/or distribution of steam and heated or cooled air for sale. IRRIGATION SYSTEMS (SIC 4971) Establishments primarily engaged in operating water supply systems for the purpose of irrigation. Establishments primarily engaged in operating irrigation systems for others, but which do not themselves provide water, are classified in Agricultural Services, Industry 0721.