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Small Cap
Security & Protection Services
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
NSSC icon
1
Napco Security Technologies
NSSC
$1.29B
$1.29B $36.18 0.36%
EVLV icon
2
Evolv Technologies
EVLV
$1.01B
$1.01B $5.63 0.72%
MG icon
3
Mistras Group
MG
$488M
$488M $15.73 2.48%
NL icon
4
NLI Holdings
NL
$280M
$280M $5.81 1.4%

Small Cap Security & Protection Services Stocks at a Glance

Security and protection services companies provide guards, alarm monitoring, inspection, and detention services. Contracted, recurring revenue makes demand defensive, with route density in monitoring and labor costs in guarding setting the margins.

There are 4 small cap Security & Protection Services stocks — companies in the Security & Protection Services industry with a market cap between $250M and $2B — worth a combined $3.06B.

The largest by market cap are Napco Security Technologies (NSSC) at $1.29B, Evolv Technologies (EVLV) at $1.01B and Mistras Group (MG) at $488M.

Among institutional investors, Napco Security Technologies (NSSC) drew the most net new fund positions in Q1 2026: 51 funds opened new positions, taking total fund holders up 16 (6.3%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q1 2026.