SIC 4961 — Steam and Air-Conditioning Supply
Description & Classification
SIC code 4961 representing 'Steam and Air-Conditioning Supply' 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 221330 - Steam and Air-Conditioning Supply (via SIC1987:4961→NAICS1997:22133→2002:221330→2007:221330→2012:221330→2017:221330→2022:221330)
Classification Details
| SIC Code | 4961 |
|---|---|
| Industry Title | Steam and Air-Conditioning Supply |
| 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 4961:
- 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 4961 represent?
SIC 4961 is 'Steam and Air-Conditioning Supply', 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): 221330 (Steam and Air-Conditioning Supply).
What is the modern 2022 NAICS mapping for SIC 4961?
SIC code 4961 maps to modern NAICS codes: 221330 - Steam and Air-Conditioning Supply.