Producer
STMicroelectronics
Franco-Italian semiconductor company (NYSE: STM, HQ Geneva); produces SLLIMM (Small Low-Loss intelligent Molded Module) IPM family for home appliances (0-5 kW motor drives) — washing machines, HVAC fan motors, refrigerator compressors. >10% global appliance IPM market share. STMicro is jointly owned through cross-shareholdings by French and Italian governments — a strategically important semiconductor company that is partially state-owned. Primary fab in Catania, Sicily (Italy) and Crolles, France. Also produces SiC power devices for EV applications (same facility).
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Inputs supplied
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Goods downstream
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Facilities
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Stories
What they make
3 inputs STMicroelectronics supplies
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manufactured
Automotive Semiconductors (Microcontrollers & Chips) →
manufactured
Intelligent Power Modules (IPM) / IGBT →
manufactured
Automotive-grade semiconductors (MCUs, SoCs, power devices) →
Where it shows up
Goods downstream
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Where they make it
3 facilities
STMicroelectronics -- Crolles, Isère, France →
FRCrolles, Isère, Auvergne-Rhône-Alpes, France · semiconductor_fab
STMicroelectronics Crolles R&D and fab; produces automotive microcontrollers (STM32 family for automotive) and power ICs. Crolles is France's primary semiconductor manufacturing site, also home to CEA-Leti (French atomic energy research). STMicro is co-owned by French and Italian governments; automotive chips represent ~30% of revenue. TSMC is building a new fab in Crolles (joint venture with STMicro, EU Chips Act funding).
STMicroelectronics Catania Fab (Sicily, Italy) →
ITSicily · fab
STMicroelectronics primary power semiconductor fab in Catania, Sicily; produces power devices including IGBT/MOSFET dies for SLLIMM home appliance IPM modules and SiC devices for EV applications. Largest semiconductor manufacturing site in Italy. Source: https://www.st.com/en/manufacturing-sites/catania.html
STMicroelectronics Catania SiC Campus →
ITCatania, Sicily · sic_power_fab
ST's primary SiC power device manufacturing complex. Europe's largest SiC fab. Produces SiC MOSFETs for automotive EV inverters supplied to Tesla, BYD, and European OEMs. ST is integrating SiCrystal (Germany) substrate supply to achieve vertical integration.
What else they do
Business segments
The company's full revenue map — where this supply-chain role fits within their broader business.
MEMS Sensors (World #1)
18%STM32 Microcontrollers (World #1 Cortex-M)
22%SiC Power Devices (World #2)
20%Automotive Chips
25%Analog + Industrial
15%
Intelligence
What's known
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Did you know2023
STMicroelectronics is publicly known for supplying MEMS sensors to Apple iPhone, but the same ST MEMS IMU chips (LSM6DS accelerometer+gyroscope) are the standard sensor platform for commercial drone flight controllers — including Pixhawk/ArduPilot, the most widely used open-source drone autopilot used in agricultural, inspection, and recreational drones globally. The Ukraine conflict documented commercial and hobbyist drones adapted for military reconnaissance and attack missions; many of these platforms used Pixhawk-derivative flight controllers with ST MEMS sensors. The same ST chip that stabilizes your iPhone video is the sensor that enables commercial drone guidance. Meanwhile, ST's STM32 microcontrollers are the standard MCU for Flipper Zero (RF security research), medical implantable device firmware, and Pixhawk simultaneously — a single chip family spanning consumer electronics, medical devices, and conflict-zone adapted drone systems with no technical distinction between use cases.
STMicroelectronics ↗Origin2023
STMicroelectronics was formed in 1987 by the merger of SGS Microelettronica (Italian state semiconductor company, owned by IRI/Finmeccanica) and Thomson Semiconducteurs (French state semiconductor division of Thomson-CSF/Thales). Both parent companies were Cold War-era state industrial champions, built with government capital to ensure France and Italy had domestic semiconductor manufacturing. The merged ST retained French and Italian government ownership (via holding companies) throughout its growth into a ~20 billion dollar revenue company. ST is thus the only major global semiconductor company that remains partially government-owned in the West — an unusual institutional structure that insulates it from pure shareholder-return pressure and allows it to maintain fabrication in France (Tours, Crolles) and Italy (Catania, Agrate) even when economics might favor pure offshore outsourcing. The French and Italian governments jointly effectively nationalized their national semiconductor companies in 1987 — and the result became the most important maker of consumer MEMS sensors, SiC power devices, and IoT microcontrollers in Europe.
STMicroelectronics ↗