Philip Derry

Track a Phone Ltd. develops applications for location based technologies. It is an organization committed to the enhancement of robust deliverable technologies for the provision of services and applications dependant on the location of mobile devices. The firm’s strategy is to continue the development of its technology and service allowing its customers to enjoy a range of business applications through one resilient, secure and feature rich management interface. TrackaPhone deliver these services across multiple networks and communication bearers and on any manufacturer's devices. The company was founded in 2002 by Simon Derry and is headquartered in New Castle, the United Kingdom.

Marlborough Communications Ltd. offers communication equipment for military services. It is a military communications and signal intercept specialist that provides design, development, production and support of advanced electronic and electro-mechanical systems for the military, government and commercial markets. The company was founded in 1982 and is headquartered in Horley, the United Kingdom.

The Plessey Co. Plc is an electronics, defense, and British telecommunications company founded in 1917. The private company is based in Ilford, UK.