KLA Corporation

KLA Corporation, set up in 1975 as KLA Instruments in San Jose, California, is a global leader in process control and yield management for the semiconductor industry. Formed through the 1997 merger of KLA Instruments and Tencor Instruments, it rebranded from KLA-Tencor to KLA Corporation in July 2019. Headquartered in Milpitas, California, KLA supplies wafer inspection, reticle inspection, metrology systems, and computational analytics, serving clients like TSMC, Samsung, and Intel. Operating in 18 countries, such as a new R&D center in Wales (2025) and a second US headquarters in Ann Arbor, Michigan, it employs ~15,000 people. With acquisitions like Orbotech (2019) and SPTS Technologies, KLA supports all phases of wafer, IC, and packaging production, driving innovation in 5G, AI, and automotive electronics. Its $1.32 billion R&D investment in 2024 underscores its focus on advanced technologies.