ADT Inc. provides security, automation, and smart home solutions to consumer and business customers in the United States. It provides a range of fire detection, fire suppression, video surveillance, and access control systems to residential, commercial, and multi-site customers.

NL Industries, Inc., through its subsidiary, CompX International Inc., operates in the component products industry in the United States and internationally.

Mistras Group, Inc. provides technology-enabled asset protection solutions worldwide. The company operates through three segments: Services, International, and Products and Systems.

Evolv Technologies Holdings, Inc. provides artificial intelligence (AI)-based touchless security screening systems. Its products include Evolv Express, a touchless security screening system designed to detect firearms, improvised explosive devices, and tactical knives as visitors walk through at a normal pace; Evolv Insights that provides self-serve access, insights regarding visitor flow and arrival curves, location specific performance, system detection performance, and alarm statistics; and Evolv Edge to detect non-metallic explosive devices, explosive devices, firearms, and tactical knives without requiring visitors to divest or empty their pockets.

MSA Safety Incorporated develops, manufactures, and supplies safety products that protect people and facility infrastructures in the oil, gas, petrochemical, fire service, construction, industrial manufacturing applications, utilities, military, and mining industries in North America, Latin America, and internationally.

The Brink's Company provides secure transportation, cash management, and other security-related services in North America, Latin America, Europe, and internationally. The company offers armored vehicle transportation of valuables; automated teller machine (ATM) management services, such as cash replenishment, replenishment forecasting, cash optimization, ATM remote monitoring, service call dispatching, transaction processing, installation, and first and second line maintenance services; network infrastructure; and cash-in-transit services.

Resideo Technologies, Inc. develops, manufactures, and sells comfort, residential thermal, and security solutions to the commercial and residential end markets in the United States, Europe, and internationally.

Allegion plc manufactures and sells mechanical and electronic security products and solutions worldwide. The company offers door closers, controls, and exit devices; locks, locksets, portable locks, and key systems and services; electronic security products and access control systems; time, attendance, and workforce productivity systems; doors and door systems; and other accessories.