SIC 4923 — Natural Gas Transmission and Distribution
Description & Classification
SIC code 4923 representing 'Natural Gas Transmission and Distribution' 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 221210 - Natural Gas Distribution (via SIC1987:4923→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- NAICS 486210 - Pipeline Transportation of Natural Gas (via SIC1987:4923→NAICS1997:48621→2002:486210→2007:486210→2012:486210→2017:486210→2022:486210)
Classification Details
| SIC Code | 4923 |
|---|---|
| Industry Title | Natural Gas Transmission and Distribution |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 49: Electric, Gas, and Sanitary Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4923:
- 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 49 Hub — View other legacy industries in this business division.
Related Industries in Major Group 49
Frequently Asked Questions (FAQ)
What industry does SIC code 4923 represent?
SIC 4923 is 'Natural Gas Transmission and Distribution', a 4-digit Standard Industrial Classification (SIC) code under Major Group 49: Electric, Gas, and Sanitary Services (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 221210 (Natural Gas Distribution), 486210 (Pipeline Transportation of Natural Gas).
What is the modern 2022 NAICS mapping for SIC 4923?
SIC code 4923 maps to modern NAICS codes: 221210 - Natural Gas Distribution, 486210 - Pipeline Transportation of Natural Gas.