Jeffrey Lawrence Perrin

Chess Dynamics Ltd. It supplies defence and aerospace subsystems. The firm designs and manufactures precision stabilised and non-stabilised platforms, directors and positioners for electro-optic, radar, communication, security and surveillance systems, inclusive of thermal and daylight cameras and special sensors. The company was founded by Graham Beall and is headquartered in Horsham, the United Kingdom.

Chess Technologies Ltd. engages in the design, manufacture, and installation of surveillance systems and solutions for the defence and security sectors. The company was founded on March 19, 2008 and is headquartered in Reading, the United Kingdom.

Abaco Systems Ltd. engages in the provision of open architecture computing and electronic systems for aerospace, defense and industrial applications. It includes single board computers (SBC), graphics and video, mission ready systems, digital signal processing (DSP), avionics, middleware, form factor, network communications, and manufacturing services. The company was founded on July 30, 1987 and is headquartered in Towcester, the United Kingdom.

Gec Plc provides heating and electronic equipment.