David Macdonald Simpson

Bookham, Inc. is a developer, manufacturer and provider of optical solutions for telecommunication optical networks. It designs, manufactures and markets optical components, modules and subsystems such as transmitters, network lasers and transceivers and has facilities in United Kingdom, two in the United States, one in Canada and a manufacturing facility in Shenzhen, China. The company was founded in 1988 and is located in San Jose, CA.

Lumentum Technology UK Ltd. designs and manufactures optical components, modules, and subsystems for fiber optic communication. The firm offers transceivers, transmitters and network lasers, receivers, amplifiers, pumps, LED, and laser illumination products. It offers services to the telecommunications, aerospace, industrial, semiconductor, and defense markets. The company was founded in 1988 and is headquartered in Towcester, the United Kingdom.

Photonic Materials Ltd. develops and manufactures single crystal components. Its products are used in fiber optic components, medical imaging scanners, and lasers. The company was founded by Dr. John Nicholls and Jean-Luc Lefaucheur in 1999 and is headquartered in Bellshill, UK.

CT Private Equity Trust Plc operates as an investment trust, which engages in the provision of investment services. Its investment objective is to achieve long-term capital growth through investment in private equity assets. The company was founded on March 22, 1999 and is headquartered in Edinburgh, the United Kingdom.

Environcom England Ltd. operates as a recycling company which specializes in electrical re-use and recycling waste electronic and electrical equipment (WEEE) items. Environcom England facility is licensed for the treatment of WEEE and has an enviable reputation and already exceeds Government levels for waste processing. It reuses and recycles all types of waste electronic and electrical equipment including large and small domestic appliances, refrigerators, televisions and monitors, and information technology equipment. The company was founded in 2003 by Joseph Quigley and is headquartered in Grantham, the United Kingdom.

Conjunct Ltd. designs, develops and produces technology for high-speed optical data and communications transmission devices. Its products include Fibre-Lyte 4x25G Transceiver Module and Fibre-Lyte 4x10G Transceiver Module. The company was founded by Keith James Symington in 2004 and is headquartered in Livingston, the United Kingdom.

CardioDigital, Inc. develops and manufactures monitoring and diagnostics medical devices. Its products help to analyze biological signals and extract key information. The company offers services to corporate hospitals, and medical laboratories. CardioDigital is located in Portland, OR.

CardioDigital Ltd. develops and manufactures medical devices. The private company is based in Elvingston, UK.