SIC 4231 — Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation
Description & Classification
SIC code 4231 representing 'Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation' 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 488490 - Other Support Activities for Road Transportation (via SIC1987:4231→NAICS1997:48849→2002:488490→2007:488490→2012:488490→2017:488490→2022:488490)
Classification Details
| SIC Code | 4231 |
|---|---|
| Industry Title | Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 42: Motor Freight Transportation and Warehousing |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4231:
- 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 42 Hub — View other legacy industries in this business division.
Related Industries in Major Group 42
Frequently Asked Questions (FAQ)
What industry does SIC code 4231 represent?
SIC 4231 is 'Terminal and Joint Terminal Maintenance Facilities for Motor Freight Transportation', a 4-digit Standard Industrial Classification (SIC) code under Major Group 42: Motor Freight Transportation and Warehousing (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 488490 (Other Support Activities for Road Transportation).
What is the modern 2022 NAICS mapping for SIC 4231?
SIC code 4231 maps to modern NAICS codes: 488490 - Other Support Activities for Road Transportation.