SIC 3273 — Ready-Mixed Concrete
SIC 3273 is 'Ready-Mixed Concrete', a 4-digit Standard Industrial Classification (SIC) code under Major Group 32: Stone, Clay, Glass, and Concrete Products (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 327320 (Ready-Mix Concrete Manufacturing).
Description & Classification
SIC code 3273 representing 'Ready-Mixed Concrete' 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 327320 - Ready-Mix Concrete Manufacturing (via SIC1987:3273→NAICS1997:32732→2002:327320→2007:327320→2012:327320→2017:327320→2022:327320)
Classification Details
| SIC Code | 3273 |
|---|---|
| Industry Title | Ready-Mixed Concrete |
| Division | Division D: Manufacturing |
| Major Group | Major Group 32: Stone, Clay, Glass, and Concrete Products |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3273:
- 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 32 Hub — View other legacy industries in this business division.
Related Industries in Major Group 32
Frequently Asked Questions (FAQ)
What industry does SIC code 3273 represent?
SIC 3273 is 'Ready-Mixed Concrete', a 4-digit Standard Industrial Classification (SIC) code under Major Group 32: Stone, Clay, Glass, and Concrete Products (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 327320 (Ready-Mix Concrete Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3273?
SIC code 3273 maps to modern NAICS codes: 327320 - Ready-Mix Concrete Manufacturing.