Frederick Alexander Bruce Shepherd

Aggreko Plc engages in the provision of mobile modular power, temperature control and energy services. It operates through the following segments: Rental Solutions, Power Solutions and Power Solutions Utility. The Rental Solutions segment refers to the transactional business serving a range of sectors in developed markets by providing power, heating, and cooling to a number of customer types who need it quickly and typically for a short period of time. The Power Solutions segment operates in emerging markets which serve both industrial and utility customers with power requirements. The Power Solutions Utility segment delivers longer-term projects providing power to national utility customers. The company was founded in 1962 and is headquartered in Glasgow, the United Kingdom.

Edinburgh Instruments Ltd. develops, manufactures and distributes spectrometers, laser, gas detection and monitoring equipments. Its product range includes fluorescence spectrometers, transient absorption, fibre optic spectrometers, lasers and LED's, and customization and ex-demo. The company was founded by S. Desmond Smith in 1971 and is headquartered in Livingston, the United Kingdom.

Libertine FPE Ltd. designs and manufactures linear generator and piston power systems. It offers ''Linear Power System'' technologies for use in power generation, heating, cooling and transport applications. The company was founded by Sam Cockerill in 2009 and is headquartered in Sheffield, the United Kingdom.

NGenTec Ltd. provides electro-mechanical engineering services. The firm develops multi-MW direct drive permanent magnet generators and provides specialist electro-mechanical engineering services for the power engineering sector and it also provides clients with generator solutions that are customized and optimized for their specific needs. The company was founded by Markus Mueller, Alasdair Mc Donald, Frederick Alexander Bruce Shepherd and Derek Douglas on March 19, 2009 and is headquartered in Glasgow, the United Kingdom.