Industry Sector

Transportation & Public Utilities

Total Companies


Est. Employment



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.


SIC Code 4151 - School Buses is a final level code of the “Transportation & Public Utilities” Division. There are 888 companies classified in this industry in the USA with an estimated employment of 63,220 people.

Industry Examples

Common types of examples within SIC Code 4151 - School Buses are:

  • School buses

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Extended SIC Code Categories for SIC 4151

For business marketing and targeting, SIC Codes have been extended to provide more specific classifications within SIC Code 4151 – School Buses. Extended SIC Codes are being continuously updated to reflect the current business environment.

6-digit SIC

  • 415101 Buses-School Transportation Service

7-digit SIC

  • 4151001 Buses-School Transportation Services

8-digit SIC

  • 41510000 School Buses