Security systems services
NAICS Code: 561620
Industry Insight
The Security systems services industry is classified under NAICS code 561620 and employed approximately 157,200 workers in 2024 according to the Bureau of Labor Statistics Employment Projections program. By 2034, BLS projects employment will reach 176,000 — a net change of +18,800 jobs over the decade. That works out to a +11.9% projected growth rate, among the stronger expansion stories in the US labor market.
NAICS 561620 sits within a broader sector ecosystem whose health depends on demographic trends, technology adoption curves, and policy decisions on immigration, tax incentives, and labor regulation. The occupation mix inside Security systems services determines how AI displacement risk filters down to individual workers — industries dominated by clerical and routine analytical roles face the steepest exposure, while those anchored in physical skill, patient care, or creative judgment retain stronger resilience. The growth outlook makes this industry an attractive target for career changers, training investments, and regional economic development.
Use this industry profile alongside our occupation rankings and employer AI risk grades to build a full picture. The BLS publishes detailed wage and employment figures for each sector in its Occupational Employment and Wage Statistics and Employment Projections programs. The BLS Employment Projections methodology blends input-output modeling, productivity forecasts, and occupational staffing patterns, so estimates are directional rather than precise, and industry-level outcomes depend heavily on macroeconomic conditions that evolve between projection cycles.
Peer Industries by Employment
How Security systems services (NAICS 561620) compares to industries of similar size, ordered by 2024 BLS employment.
| Industry | 2024 | Growth |
|---|---|---|
| Security systems services | 157,200 | +11.9% |
| Metalworking machinery manufacturing | 157,100 | -6.2% |
| Rail transportation | 156,400 | +0.4% |
| Offices of optometrists | 154,500 | +7.6% |
| Exterminating and pest control services | 153,500 | +3.3% |
| Electrical equipment manufacturing | 153,000 | +4.4% |
Peers are selected by similarity in 2024 employment. Figures in thousands. Source: BLS Employment Projections 2024–2034.
Frequently Asked Questions
How many people work in Security systems services?
As of 2024, the Security systems services industry employs approximately 157,200 workers in the United States, according to BLS Employment Projections data.
Is Security systems services growing or declining?
The Security systems services industry is projected to grow by 11.9% from 2024 to 2034, a net change of +18,800 jobs over the decade.
What jobs are in the Security systems services industry?
The Security systems services industry (NAICS 561620) employs workers across a range of occupations. Browse the full occupations directory to see AI exposure scores, wage data, and growth projections for specific roles common in this industry.
How will AI affect the Security systems services industry?
AI impact on the Security systems services industry depends on the specific occupation mix. Industries with more routine data processing and clerical roles tend to have higher AI displacement risk, while those requiring physical labor, complex judgment, or creative work face lower risk. View occupation-level AI exposure scores for detailed analysis.
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Source: Bureau of Labor Statistics Employment Projections 2024–2034 Bureau of Labor Statistics Employment Projections 2024–2034 Employment figures in thousands. Data reflects projected changes over the 2024–2034 decade