SIC 9711 — National Security
SIC 9711 is 'National Security', a 4-digit Standard Industrial Classification (SIC) code under Major Group 97: National Security and International Affairs (Division J: Public Administration); it maps to modern 2022 NAICS code(s): 928110 (National Security).
Description & Classification
SIC code 9711 representing 'National Security' 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 928110 - National Security (via SIC1987:9711→NAICS1997:92811→2002:928110→2007:928110→2012:928110→2017:928110→2022:928110)
Classification Details
| SIC Code | 9711 |
|---|---|
| Industry Title | National Security |
| Division | Division J: Public Administration |
| Major Group | Major Group 97: National Security and International Affairs |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 9711:
- 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 97 Hub — View other legacy industries in this business division.
Related Industries in Major Group 97
Frequently Asked Questions (FAQ)
What industry does SIC code 9711 represent?
SIC 9711 is 'National Security', a 4-digit Standard Industrial Classification (SIC) code under Major Group 97: National Security and International Affairs (Division J: Public Administration); it maps to modern 2022 NAICS code(s): 928110 (National Security).
What is the modern 2022 NAICS mapping for SIC 9711?
SIC code 9711 maps to modern NAICS codes: 928110 - National Security.