SIC 8231 — Libraries
SIC 8231 is 'Libraries', a 4-digit Standard Industrial Classification (SIC) code under Major Group 82: Educational Services (Division I: Services); it maps to modern 2022 NAICS code(s): 519210 (Libraries and Archives).
Description & Classification
SIC code 8231 representing 'Libraries' 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 519210 - Libraries and Archives (via SIC1987:8231→NAICS1997:51412→2002:519120→2007:519120→2012:519120→2017:519120→2022:519210)
Classification Details
| SIC Code | 8231 |
|---|---|
| Industry Title | Libraries |
| Division | Division I: Services |
| Major Group | Major Group 82: Educational Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 8231:
- 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 82 Hub — View other legacy industries in this business division.
Related Industries in Major Group 82
Frequently Asked Questions (FAQ)
What industry does SIC code 8231 represent?
SIC 8231 is 'Libraries', a 4-digit Standard Industrial Classification (SIC) code under Major Group 82: Educational Services (Division I: Services); it maps to modern 2022 NAICS code(s): 519210 (Libraries and Archives).
What is the modern 2022 NAICS mapping for SIC 8231?
SIC code 8231 maps to modern NAICS codes: 519210 - Libraries and Archives.