Security & Protection Services industry stocks

22 companies in the Security & Protection Services industry. 13 have a published intrinsic value and 2 trade at least 20% below it.

The median company in Security & Protection Services with a published value trades 23% above our estimate of intrinsic value.

Values as of the 22 Sept 2026 close.

Most undervalued stocks in Security & Protection Services

ADT Inc (ADT): undervalued, +52% margin of safety
Brink's Co (BCO): undervalued, +22% margin of safety
Brady Corp (BRC): fairly valued, +3% margin of safety

Liquid names only: at least $1M traded a day and $50M of market value.

Largest companies in Security & Protection Services

Allegion plc (ALLE): slightly overvalued, -9% margin of safety
MSA Safety Inc (MSA): overvalued, -23% margin of safety
ADT Inc (ADT): undervalued, +52% margin of safety
Brink's Co (BCO): undervalued, +22% margin of safety
Geo Group Inc (GEO): slightly overvalued, -11% margin of safety
Brady Corp (BRC): fairly valued, +3% margin of safety
CoreCivic Inc (CXW): overvalued, -39% margin of safety
NAPCO Security Technologies Inc (NSSC): overvalued, -53% margin of safety
Evolv Technologies Holdings Inc (EVLV): overvalued, -341% margin of safety
Mistras Group Inc (MG): overvalued, -31% margin of safety
Compx International Inc (CIX): slightly overvalued, -16% margin of safety
NLI Holdings Inc (NL): not valued
Concorde International Group Ltd (CIGL): not valued
SuperCom Ltd (SPCB): overvalued, -62% margin of safety
Bridger Aerospace Group Holdings Inc (BAER): not valued
Senstar Technologies Corp (SNT): overvalued, -222% margin of safety
VerifyMe Inc (VRME): not valued
Liberty Defense Holdings Ltd (DETX): no published value
Guardforce AI Co Ltd (GFAI): not valued
Iveda Solutions Inc (IVDA): not valued
Bio-Key International Inc (BKYI): not valued
SU Group Holdings Ltd (SUGP): no reliable verdict

Other Industrials industries