SIC 9121 — Legislative Bodies
SIC 9121 is 'Legislative Bodies', a 4-digit Standard Industrial Classification (SIC) code under Major Group 91: Executive, Legislative, and General Government, Except Finance (Division J: Public Administration); it maps to modern 2022 NAICS code(s): 921120 (Legislative Bodies).
Description & Classification
SIC code 9121 representing 'Legislative Bodies' 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 921120 - Legislative Bodies (via SIC1987:9121→NAICS1997:92112→2002:921120→2007:921120→2012:921120→2017:921120→2022:921120)
Classification Details
| SIC Code | 9121 |
|---|---|
| Industry Title | Legislative Bodies |
| Division | Division J: Public Administration |
| Major Group | Major Group 91: Executive, Legislative, and General Government, Except Finance |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 9121:
- 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 91 Hub — View other legacy industries in this business division.
Related Industries in Major Group 91
Frequently Asked Questions (FAQ)
What industry does SIC code 9121 represent?
SIC 9121 is 'Legislative Bodies', a 4-digit Standard Industrial Classification (SIC) code under Major Group 91: Executive, Legislative, and General Government, Except Finance (Division J: Public Administration); it maps to modern 2022 NAICS code(s): 921120 (Legislative Bodies).
What is the modern 2022 NAICS mapping for SIC 9121?
SIC code 9121 maps to modern NAICS codes: 921120 - Legislative Bodies.