SICCODE.comSIC LookupI Services82 Educational Services823 LibrariesSIC 8231
SIC Code 8231 – Libraries
Official 4-digit SIC code Source: OSHA SIC Manual Updated Nov 13, 2026
At a glance
Companies
More specific segments
Related NAICS
Which businesses belong in SIC 8231?
Usually classified in SIC 8231
- Centers for documentation
- Circulating libraries
- Lending libraries
- Libraries, printed matter
- Rental of books
Usually classified elsewhere
- Services Allied to Motion Picture Distribution 7829 · Services Allied to Motion Picture Distribution
Official definition for SIC 8231 - Libraries
Establishments primarily engaged in providing library services, including the circulation of books and other materials for reading, study, and reference.
Source: OSHA SIC Manual
Companies in SIC 8231 - Libraries
Get a business list of Libraries companies for sales, marketing and research, or update your existing records with SIC codes and current company data.
Showing: United States · All states — counts update when you change the filter
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Key facts for SIC 8231 - Libraries
- SIC code
- 8231
- Official title
- Libraries
- Scope
- OSHA SIC Manual, establishment-level
- Division
- I Services (70–89)
- Major group
- 82 Educational Services
- Industry group
- 823 Libraries
- Official source
- OSHA SIC Manual
- Where SIC is used
- Used in SEC filings, government forms, and business lists. See which agencies still use SIC codes →
SIC Classification Hierarchy
Four official SIC levels, plus a more detailed commercial classification level.
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Industry · Official 4-Digit 8231 Libraries
One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.
This page
8231 Libraries
More specific segments in SIC 8231
Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.
12,597 U.S. companies across 10 segments · Segment codes are 6-digit marketing categories that extend the official 4-digit SIC code. They are not official SIC codes.
SIC 8231 is in your list, which already includes all 10 segments.
| Code | Segment | Companies | Build your list |
|---|---|---|---|
| 8231-01 | Federal Government-Libraries | 100 100 companies | |
| 8231-02 | State Government-Libraries | 57 57 companies | |
| 8231-03 | County Government-Libraries | 32 32 companies | |
| 8231-04 | City Government-Libraries | 91 91 companies | |
| 8231-05 | Library Networks | 537 537 companies | |
| 8231-06 | Libraries-Public | 9,695 9,695 companies | |
| 8231-07 | Libraries-Circulating & Rental | 15 15 companies | |
| 8231-08 | Library Research & Service | 121 121 companies | |
| 8231-09 | Libraries-Institutional | 1,147 1,147 companies | |
| 8231-11 | Special Interest Libraries | 802 802 companies |
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NAICS and ISIC crosswalk for SIC 8231 - Libraries
Correspondences in NAICS and ISIC for SIC 8231 - Libraries. These mappings do not replace the official SIC definition.
| System | Code | Title |
|---|---|---|
| SIC This page | 8231 | Libraries |
| NAICS | 519120 | Libraries and Archives Libraries and Archives |
| ISIC Rev. 4 | 9101 | Library And Archives Activities Library And Archives Activities |
Sources for SIC 8231
-
Official classification source U.S. Occupational Safety and Health Administration.
Standard Industrial Classification Manual (1987), SIC 8231. OSHA SIC Manual → -
SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →
SICCODE.com is an independent publisher. Official SIC titles and definitions come from the OSHA SIC Manual; commercial database counts are SICCODE.com records.
Citations & Academic Recognition · 50+ documented references
About this classification
This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the Industry Classification Review Team.