Security companies

Technical Communications Corporation (TCC) is a company specialized in providing military-grade secure communications systems and customized solutions and services that protect sensitive voice, data, and video information transmitted over a wide range of networks.

ISS Facility Services UK (formerly known as ISS London) is a provider of facility solutions.

Weihai Guangtai Airport Equipment is a company that manufactures and markets airport ground support equipment.

Hiddn Technology is a company that engages in the research, development, manufacturing, commercialization, and sale of hardware-based encryption products to the military, government, and large institutions.

Croma Security Solutions is an AIM-quoted total security services provider, designing & installing state of the art systems and providing ex-military guards.

InvesTech Holdings (威讯控股有限公司, formerly known as HL Technology Group) is a company that is engaged in the business of network system integration, professional network services, and mobile software platform.

DNA is a company that provides mobile communication services.

TDF (Télédiffusion de France) is a company that operates and manages telecommunications and broadcasting infrastructures, secure networks, and connectivity services for public and private sectors.

DAS Technology (斯其大科技股份有限公司) is a manufacturer and distributor of power monitoring and home automation equipment.

HENSOLDT Sensors Germany is a supplier of sensor solutions to the defense and security sectors.

Gigamon is a company that provides network intelligence solutions.

AT TOKYO (@Tokyo, 株式会社アット東京) is a company that specializes in data center services.