SIC 3531 — Construction Machinery and Equipment
Description & Classification
SIC code 3531 representing 'Construction Machinery and Equipment' 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 336510 - Railroad Rolling Stock Manufacturing (via SIC1987:3531→NAICS1997:33651→2002:336510→2007:336510→2012:336510→2017:336510→2022:336510)
- NAICS 333923 - Overhead Traveling Crane, Hoist, and Monorail System Manufacturing (via SIC1987:3531→NAICS1997:333923→2002:333923→2007:333923→2012:333923→2017:333923→2022:333923)
- NAICS 333120 - Construction Machinery Manufacturing (via SIC1987:3531→NAICS1997:33312→2002:333120→2007:333120→2012:333120→2017:333120→2022:333120)
Classification Details
| SIC Code | 3531 |
|---|---|
| Industry Title | Construction Machinery and Equipment |
| Division | Division D: Manufacturing |
| Major Group | Major Group 35: Industrial and Commercial Machinery and Computer Equipment |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3531:
- 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 35 Hub — View other legacy industries in this business division.
Related Industries in Major Group 35
Frequently Asked Questions (FAQ)
What industry does SIC code 3531 represent?
SIC 3531 is 'Construction Machinery and Equipment', a 4-digit Standard Industrial Classification (SIC) code under Major Group 35: Industrial and Commercial Machinery and Computer Equipment (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 336510 (Railroad Rolling Stock Manufacturing), 333923 (Overhead Traveling Crane, Hoist, and Monorail System Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3531?
SIC code 3531 maps to modern NAICS codes: 336510 - Railroad Rolling Stock Manufacturing, 333923 - Overhead Traveling Crane, Hoist, and Monorail System Manufacturing, 333120 - Construction Machinery Manufacturing.