KLA / Milpitas / California / US
Corporate headquarters, production and R&D
KLA's global headquarters and the single campus holding its California operations. It is a production and R&D site rather than offices alone: KLA names Milpitas among the main production and R&D facilities it certified to ISO 14001 and ISO 45001 at the end of 2024, alongside Singapore, Newport in Wales, Ann Arbor, Weilburg and its two sites in Israel. In 2024 the Milpitas facilities ran a targeted effort to enhance laser safety procedures and training, which KLA attributes to the greater risks of today's more powerful and complex laser systems.
In calendar-year 2024, we achieved the certification for ISO 14001 and ISO 45001 across our main production and R&D facilities. As of calendar year-end 2024, our sites in Singapore; Newport, Wales; Milpitas, California; Ann Arbor, Michigan; Weilburg, Germany; and our two Israel locations in Migdal HaEmek and Yavne are certified to ISO 14001 and ISO 45001.
klac-20260630 · U.S. Securities and Exchange Commission (KLA Corporation Form 10-K for the fiscal year ended June 30, 2026) · read 2026-09-05
The consolidation of our California operations into a single campus could further concentrate the risks related to any of the disruptive events described above, such as acts of war or terrorism, earthquakes, fires or other natural disasters, if any such event were to impact our Milpitas facility.
klac-20260630 · U.S. Securities and Exchange Commission (KLA Corporation Form 10-K for the fiscal year ended June 30, 2026) · read 2026-09-05
In 2024, our Milpitas facilities undertook a targeted effort to enhance laser safety procedures and trainings based on the greater risks associated with today's more powerful and complex laser systems.
Global Impact Report 2024 · KLA Corporation · read 2026-09-05
Published figures for 2023, from the source named under them.
United States as a whole ran at 384 g of CO2 per kWh in 2025, from Ember.
Those plants report to California Independent System Operator.
A radius, not a supply. No public source states which plant serves which site, and nothing here says one does.
Who KLA buys from and sells to, each relationship carrying the source that states it.
None recorded.
Buys Process control and inspection equipment
For the fiscal years ended June 30, 2026, 2025 and 2024, the following customers each accounted for more than 10% of total revenues, primarily in the Semiconductor Process Control segment: Year Ended June 30, 2026 2025 2024 Taiwan Semiconductor Manufacturing Company Limited
klac-20260630 (Form 10-K, fiscal 2026) · KLA Corporation · read 2026-09-11
Every company KLA deals with, and its own other sites, are on the KLA page.
Every change is appended, so an earlier value stays readable beside the one that replaced it.
Our headquarters are located in Milpitas, California.
Our California operations are now primarily centralized in our Milpitas facility.
Headquartered in Milpitas, California, we have subsidiaries both in the U.S. and key markets throughout the world.
In calendar-year 2024, we achieved the certification for ISO 14001 and ISO 45001 across our main production and R&D facilities. As of calendar year-end 2024, our sites in Singapore; Newport, Wales; Milpitas, California; Ann Arbor, Michigan; Weilburg, Germany; and our two Israel locations in Migdal HaEmek and Yavne are certified to ISO 14001 and ISO 45001.
The consolidation of our California operations into a single campus could further concentrate the risks related to any of the disruptive events described above, such as acts of war or terrorism, earthquakes, fires or other natural disasters, if any such event were to impact our Milpitas facility.
In 2024, our Milpitas facilities undertook a targeted effort to enhance laser safety procedures and trainings based on the greater risks associated with today's more powerful and complex laser systems.
Our principal executive offices are located at One Technology Drive, Milpitas, California 95035, and our telephone number is (408) 875-3000.
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