David John Whitfield

Electro Rent UK Ltd. provides electronics equipment and components. Its services include rent test equipment, lease and finance, buy new test equipment, buy used test equipment, sell test equipment and asset management. The company was founded in 1979 and is headquartered in Harrow, the United Kingdom.

Livingston Ltd. provides and manages information technology and test equipment. It offers dispersion measurements, fusion splicers, loss testing, optical spectrum analysers, calibrators, logic analysers, power supplies, development systems, cable and pipe locators, dataloggers and recorders, electrical installation test, frequency counters, signal generator, IP network performance testers and television test equipment. The company was founded by Livingston J. Hogg in 1967 and is headquartered in Middlesex, the United Kingdom.