The company (originally named ASM Lithography, current name ASML, which is an official name and not an abbreviation)[10] was founded in 1984 as a joint venture

The company (originally named ASM Lithography, current name ASML, which is an official name and not an abbreviation)[10] was founded in 1984 as a joint venture between the Dutch companies Advanced Semiconductor Materials International (ASMI) and Philips. https://en.wikipedia.org/wiki/ASML_Holding https://en.wikipedia.org/wiki/ASML_Holding