SIC 4789 — Transportation Services, NEC
Description & Classification
SIC code 4789 representing 'Transportation Services, NEC' 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 488210 - Support Activities for Rail Transportation (via SIC1987:4789→NAICS1997:48821→2002:488210→2007:488210→2012:488210→2017:488210→2022:488210)
- NAICS 488999 - All Other Support Activities for Transportation (via SIC1987:4789→NAICS1997:488999→2002:488999→2007:488999→2012:488999→2017:488999→2022:488999)
- NAICS 487110 - Scenic and Sightseeing Transportation, Land (via SIC1987:4789→NAICS1997:48711→2002:487110→2007:487110→2012:487110→2017:487110→2022:487110)
- NAICS 722310 - Food Service Contractors (via SIC1987:4789→NAICS1997:72231→2002:722310→2007:722310→2012:722310→2017:722310→2022:722310)
Classification Details
| SIC Code | 4789 |
|---|---|
| Industry Title | Transportation Services, NEC |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 47: Transportation Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4789:
- 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 47 Hub — View other legacy industries in this business division.
Related Industries in Major Group 47
Frequently Asked Questions (FAQ)
What industry does SIC code 4789 represent?
SIC 4789 is 'Transportation Services, NEC', a 4-digit Standard Industrial Classification (SIC) code under Major Group 47: Transportation Services (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 488210 (Support Activities for Rail Transportation), 488999 (All Other Support Activities for Transportation).
What is the modern 2022 NAICS mapping for SIC 4789?
SIC code 4789 maps to modern NAICS codes: 488210 - Support Activities for Rail Transportation, 488999 - All Other Support Activities for Transportation, 487110 - Scenic and Sightseeing Transportation, Land, 722310 - Food Service Contractors.