561622 — Locksmiths
Description
This U.S. industry comprises establishments primarily engaged in (1) selling mechanical or electronic locking devices, safes, and security vaults, along with installation, repair, rebuilding, or adjusting services or (2) installing, repairing, rebuilding, and adjusting mechanical or electronic locking devices, safes, and security vaults (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Selling security systems, such as locking devices, safes, and vaults, without installation or maintenance
- services--are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade; and
- Providing key duplication services--are classified in Industry 811490, Other Personal and Household
- Goods Repair and Maintenance.
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 7699 - Repair Shops and Related Services, NEC (via SIC1987:7699→NAICS1997:561622→2002:561622→2007:561622→2012:561622→2017:561622→2022:561622)
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 R499 — Other Professional Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 561622 valid in 2022? ▾
Yes, 561622 is a valid 6-digit 2022 NAICS national industry code representing 'Locksmiths' under Sector 56 in the official classification index.
What is the SBA size standard for NAICS code 561622? ▾
The Small Business Administration (SBA) has established a small business size standard of $25,000,000 for NAICS code 561622 (Locksmiths), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 561622? ▾
According to official Census Bureau concordance tables, NAICS code 561622 (Locksmiths) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 7699 - Repair Shops and Related Services, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 561622:
- Sector 56 Directory Hub — List of related industries in the Administrative and Support and Waste Management and Remediation Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 561622 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Locksmiths).
- IRS PBA Code for Locksmith — Principal Business Activity tax reporting details.
- 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.