KLA Corp. engages in the supply of process control and yield management solutions for the semiconductor and related nano-electronics industries. The company is headquartered in Milpitas, California and currently employs 15,000 full-time employees. The firm offers a portfolio of inspection and metrology products, and related services, software and other offerings, supports research and development (R&D) and manufacturing of integrated circuits (ICs), wafers and reticles. Its segments include Semiconductor Process Control, Specialty Semiconductor Process, and PCB and Component Inspection. Semiconductor Process Control segment provides comprehensive portfolio of inspection, metrology and software products, as well as related services, helping IC, wafer, reticle/mask and chemical/materials manufacturers achieve target yields throughout the entire fabrication process, from R&D to final volume production. The Specialty Semiconductor Process segment develops and sells advanced vacuum deposition and etch process tools, which are used by a range of specialty semiconductor customers.