Electronic test and measurement equipment and software, oscilloscopes, signal generators, and network analyzers, are the products of Keysight Technologies, serving aerospace, automotive, and semiconductor customers. Founded in 1939 and headquartered in Santa Rosa, California, it was spun off from Agilent Technologies in 2014 and works in India through Keysight Technologies India Pvt Ltd in Bangalore. Certified to ISO 9001:2015, the company operates in more than 100 countries and reinvests roughly 16% of revenue in R&D, with recent acquisitions including Spirent (2024) and ESI Group (2023).