922120 — Police Protection
Description
This industry comprises government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and other activities related to the enforcement of the law and preservation of order. Combined police and fire departments are included in this industry (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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 9221 - Police Protection (via SIC1987:9221→NAICS1997:92212→2002:922120→2007:922120→2012:922120→2017:922120→2022:922120)
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 R430 — SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 922120 valid in 2022? ▾
Yes, 922120 is a valid 6-digit 2022 NAICS national industry code representing 'Police Protection' under Sector 92 in the official classification index.
What is the SBA size standard for NAICS code 922120? ▾
The Small Business Administration (SBA) has not specified a custom size standard for NAICS code 922120 (Police Protection), meaning default procurement guidelines apply.
What is the legacy SIC equivalent for NAICS 922120? ▾
According to official Census Bureau concordance tables, NAICS code 922120 (Police Protection) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 9221 - Police Protection.
Related Pages & Tools
Further regulatory reference links for NAICS code 922120:
- Sector 92 Directory Hub — List of related industries in the Public Administration sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 922120 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Police Protection).