Megger Group Limited is a leading manufacturer of electrical test and measurement instruments. The company traces its origins to 1889 when Sydney Evershed invented the first practical insulation tester, later trademarked as 'Megger'. Headquartered in Dover, United Kingdom, Megger operates worldwide. Its core business is designing and producing portable test equipment for electrical power systems. The product portfolio includes insulation resistance testers, transformer testers, circuit breaker testers, relay protection testers, cable fault locators, ground resistance testers, low resistance ohmmeters, power quality analyzers, wire/connection testers, and clamp meters. Megger also offers solutions for battery testing, motor testing, and electrical safety verification. The brand is synonymous with high-reliability instruments used by industrial maintenance teams, power utilities, and electrical contractors. Continuous innovation has earned Megger a strong reputation for durability and accuracy in harsh field conditions. Although not a semiconductor supplier, Megger is an essential name in the electrical test and measurement market, ensuring critical infrastructure reliability globally.