50 companies in this capability, across 6 regions. The leading 12:

1. 1Infineon TechnologiesWorld's largest power semiconductor supplier, producing silicon IGBTs/MOSFETs, CoolSiC silicon-carbide devices and CoolGaN (after acquiring GaN Systems in 2023), with a 200mm SiC fab in Kulim, Malaysia.Manufacture
2. 2onsemiVertically integrated SiC producer (from boule growth in New Hampshire to EliteSiC MOSFETs and modules) and a leading supplier of automotive power devices, with a SiC expansion in Rožnov, Czech Republic.Manufacture
3. 3STMicroelectronicsLeading SiC MOSFET supplier (main supplier to Tesla's traction inverters), building an integrated SiC campus in Catania, Italy, and a 200mm SiC joint venture with San'an in Chongqing, alongside a GaN power line.Manufacture
4. 4WolfspeedLargest merchant supplier of SiC substrates and operator of the world's first 200mm SiC device fab (Mohawk Valley, NY); it restructured through Chapter 11 in 2025 and emerged with new equity.Manufacture
5. 5Mitsubishi ElectricLeading supplier of IGBT and SiC power modules for rail, industrial and EV use, and of GaN/GaAs high-frequency devices; it is building an 8-inch SiC fab in Kumamoto.Manufacture
6. 6ROHMVertically integrated SiC maker through its German subsidiary SiCrystal (substrates) and its Miyazaki fabs; it pioneered mass-produced SiC MOSFETs and supplies GaN EcoGaN devices.Manufacture
7. 7Fuji ElectricMajor producer of IGBT and SiC power modules for EVs, industry and renewables, and one of the top international patent filers in power devices.Manufacture
8. 8ToshibaThrough Toshiba Electronic Devices & Storage it is a top power MOSFET/IGBT and SiC supplier, building a 300mm power fab in Ishikawa and collaborating with ROHM on power devices; it has been privately owned since its 2023 buyout.Manufacture
9. 9QorvoLeading GaAs and GaN-on-SiC RF device maker and a DoD Trusted foundry (Richardson, Texas) for defence radar MMICs; a merger with Skyworks was announced in 2025.Manufacture
10. 10Coherent Corp.Second-largest SiC substrate and epiwafer supplier (ex-II-VI) with 200mm production; its SiC business is backed by Denso and Mitsubishi Electric investment, and it also makes InP and GaAs compound devices.Equipment & materials
11. 11SICC (Shandong Tianyue Advanced Technology)One of the world's top two or three SiC substrate makers by share, supplying conductive 6/8-inch wafers to Infineon and Bosch; it has an additional Hong Kong listing.Equipment & materials
12. 12San'an OptoelectronicsChina's largest compound semiconductor manufacturer (GaN/GaAs LEDs, RF and power) whose Hunan San'an unit runs a vertically integrated SiC line and a Chongqing 200mm SiC JV with STMicroelectronics.Manufacture