SIC 4492 — Towing and Tugboat Services
Description & Classification
SIC code 4492 representing 'Towing and Tugboat Services' 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 488330 - Navigational Services to Shipping (via SIC1987:4492→NAICS1997:48833→2002:488330→2007:488330→2012:488330→2017:488330→2022:488330)
Classification Details
| SIC Code | 4492 |
|---|---|
| Industry Title | Towing and Tugboat Services |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 44: Water Transportation |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4492:
- 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 44 Hub — View other legacy industries in this business division.
Related Industries in Major Group 44
Frequently Asked Questions (FAQ)
What industry does SIC code 4492 represent?
SIC 4492 is 'Towing and Tugboat Services', a 4-digit Standard Industrial Classification (SIC) code under Major Group 44: Water Transportation (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 488330 (Navigational Services to Shipping).
What is the modern 2022 NAICS mapping for SIC 4492?
SIC code 4492 maps to modern NAICS codes: 488330 - Navigational Services to Shipping.