Founded in 1975 as KLA Instruments Corporation and formed in its modern structure through the 1997 merger with Tencor Instruments, KLA Corporation is a leading American semiconductor equipment company headquartered in Milpitas, California, U.S.A. The company develops advanced process control, process-enabling, inspection, metrology, and data analytics solutions that support semiconductor and related electronics manufacturing, including wafers, reticles, integrated circuits, packaging, printed circuit boards, and IC substrates. KLA operates through three reportable segments—Semiconductor Process Control, Specialty Semiconductor Process, and PCB and Component Inspection—reflecting its broad role in enabling higher yields, tighter process control, and technological progress across the electronics industry. As of June 30, 2025, the company had approximately 15,000 regular full-time employees and approximately 200 part-time and temporary employees across 18 major regions worldwide. For the fiscal year ended June 30, 2025, KLA reported total revenue of USD 12.16 billion, underscoring its position as one of the world’s most important providers of yield management and process control technologies for semiconductor manufacturing.
Updated 2026-03-20