STANDARD INDUSTRIAL CLASSIFICATION CODES
Division E - Transportation, Communications, Electric, Gas, Sanitary Services
Knowing you primary and secondary SIC codes is important for researching a business and locating financial information on your industry. After locating your SIC code, visit the information center or your nearby SBDC office to review the SIC description in "the blue book."
Use our SIC-NAICS conversion tool to identify the new NAICS codes for your business.
SIC SIC CODE DESCRIPTION
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40 Railroad Transportation
401 Railroads
4011 Railroads, line-haul operating
4013 Switching and terminal services
41 Local And Interurban Passenger Transit
411 Local and Suburban Transportation
4111 Local and suburban transit
4119 Local passenger transportation, nec
412 Taxicabs
4121 Taxicabs
413 Intercity and Rural Bus Transportation
4131 Intercity & rural bus transportation
414 Bus Charter Service
4141 Local bus charter service
4142 Bus charter service, except local
415 School Buses
4151 School buses
417 Bus Terminal and Service Facilities
4173 Bus terminal and service facilities
42 Trucking And Warehousing
421 Trucking & Courier Services, Ex. Air
4212 Local trucking, without storage
4213 Trucking, except local
4214 Local trucking with storage
4215 Courier services, except by air
422 Public Warehousing and Storage
4221 Farm product warehousing and storage
4222 Refrigerated warehousing and storage
4225 General warehousing and storage
4226 Special warehousing and storage, nec
423 Trucking Terminal Facilities
4231 Trucking terminal facilities
43 U.S. Postal Service
431 U.S. Postal Service
4311 U.S. Postal Service
44 Water Transportation
441 Deep Sea Foreign Trans. Of Freight
4412 Deep sea foreign trans. of freight
442 Deep Sea Domestic Trans. Of Freight
4424 Deep sea domestic trans. of freight
443 Freight Trans. On The Great Lakes
4432 Freight trans. on the Great Lakes
444 Water Transportation Of Freight, Nec
4449 Water transportation of freight, nec
448 Water Transportation Of Passengers
4481 Deep sea passenger trans., ex. ferry
4482 Ferries
4489 Water passenger transportation, nec
449 Water Transportation Services
4491 Marine cargo handling
4492 Towing and tugboat service
4493 Marinas
4499 Water transportation services, nec
45 Transportation By Air
451 Air Transportation, Scheduled
4512 Air transportation, scheduled
4513 Air courier services
452 Air Transportation, Nonscheduled
4522 Air transportation, nonscheduled
458 Airports, Flying Fields, & Services
4581 Airports, flying fields, & services
46 Pipelines, Except Natural Gas
461 Pipelines, except Natural Gas
4612 Crude petroleum pipelines
4613 Refined petroleum pipelines
4619 Pipelines, nec
47 Transportation Services
472 Passenger Transportation Arrangement
4724 Travel agencies
4725 Tour operators
4729 Passenger transport arrangement, nec
473 Freight Transportation Arrangement
4731 Freight transportation arrangement
474 Rental Of Railroad Cars
4741 Rental of railroad cars
478 Miscellaneous Transportation Services
4783 Packing and crating
4785 Inspection & fixed facilities
4789 Transportation services, nec
48 Communication
481 Telephone Communication
4812 Radiotelephone communications
4813 Telephone communications, exc. radio
482 Telegraph & Other Communications
4822 Telegraph & other communications
483 Radio and Television Broadcasting
4832 Radio broadcasting stations
4833 Television broadcasting stations
484 Cable and Other Pay TV Services
4841 Cable and other pay TV services
489 Communication Services, Nec
4899 Communication services, nec
49 Electric, Gas, And Sanitary Services
491 Electric Services
4911 Electric services
492 Gas Production and Distribution
4922 Natural gas transmission
4923 Gas transmission and distribution
4924 Natural gas distribution
4925 Gas production and/or distribution
493 Combination Utility Services
4931 Electric and other services combined
4932 Gas and other services combined
4939 Combination utilities, nec
494 Water Supply
4941 Water supply
495 Sanitary Services
4952 Sewerage systems
4953 Refuse systems
4959 Sanitary services, nec
496 Steam and Air-conditioning Supply
4961 Steam and air-conditioning supply
497 Irrigation Systems
4971 Irrigation systems