813930 — Labor Unions and Similar Labor Organizations
Description
This industry comprises establishments primarily engaged in promoting the interests of organized labor and union employees (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in offering apprenticeship training programs are classified in U.S. Industry
- 611513, Apprenticeship Training.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8631 - Labor Unions and Similar Labor Organizations (via SIC1987:8631→NAICS1997:81393→2002:813930→2007:813930→2012:813930→2017:813930→2022:813930)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC G099 — Other Social Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 813930 valid in 2022? ▾
Yes, 813930 is a valid 6-digit 2022 NAICS national industry code representing 'Labor Unions and Similar Labor Organizations' under Sector 81 in the official classification index.
What is the SBA size standard for NAICS code 813930? ▾
The Small Business Administration (SBA) has established a small business size standard of $16,500,000 for NAICS code 813930 (Labor Unions and Similar Labor Organizations), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 813930? ▾
According to official Census Bureau concordance tables, NAICS code 813930 (Labor Unions and Similar Labor Organizations) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8631 - Labor Unions and Similar Labor Organizations.
Related Pages & Tools
Further regulatory reference links for NAICS code 813930:
- Sector 81 Directory Hub — List of related industries in the Other Services (except Public Administration) sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 813930 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Labor Unions and Similar Labor Organizations).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.