SIC 4151 — School Buses
Description & Classification
SIC code 4151 representing 'School Buses' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 485410 - School and Employee Bus Transportation (via SIC1987:4151→NAICS1997:48541→2002:485410→2007:485410→2012:485410→2017:485410→2022:485410)
Classification Details
| SIC Code | 4151 |
|---|---|
| Industry Title | School Buses |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 41: Local and Suburban Transit and Interurban Highway Passenger Transportation |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4151:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 41 Hub — View other legacy industries in this business division.
Related Industries in Major Group 41
Frequently Asked Questions (FAQ)
What industry does SIC code 4151 represent?
SIC 4151 is 'School Buses', a 4-digit Standard Industrial Classification (SIC) code under Major Group 41: Local and Suburban Transit and Interurban Highway Passenger Transportation (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 485410 (School and Employee Bus Transportation).
What is the modern 2022 NAICS mapping for SIC 4151?
SIC code 4151 maps to modern NAICS codes: 485410 - School and Employee Bus Transportation.