in 1985 it bought Mostek, a US company founded in 1969 as a spin-off of Texas Instruments, from United Technologies.

the semiconductor activities of the French electronics company Thomson.

'Thomson Semiconducteurs' was created in 1982 by the French government's widespread nationalization of industries.

'Società Generale Semiconduttori' (founded in 1957 by Adriano Olivetti).

ATES ('Aquila Tubi e Semiconduttori'), a vacuum tube and semiconductor maker headquartered in L'Aquila, the regional capital of Abruzzo, which in 1961 changed its name to Azienda Tecnica ed Elettronica del Sud and relocated its manufacturing plant in the Industrial Zone of Catania, in Sicily.

'SGS Microelettronica' originated in 1972 from a previous merger of two companies:

ST was formed in 1987 by the merger of two government-owned semiconductor companies: Italian 'SGS Microelettronica' (where SGS stands for 'Società Generale Semiconduttori', 'Semiconductors' General Company'), and French 'Thomson Semiconducteurs', the semiconductor arm of Thomson:

St microelectronics windows 10