Semiconductor & AI supply-chain companies in Germany

Largest Germany companies by market cap

All 21 companies by segment

Materials (6)

• Merck KGaA (EMD Electronics) — Supplies deposition materials, spin-on dielectrics and specialty gases. major · $68.6B
• BASF SE — German chemicals major; supplies CMP slurries (PLANAPUR), post-CMP cleaning chemistries, and electronic-grade wet chemicals for wafer fabrication. major · $53.4B
• Wacker Chemie — Major polysilicon and silicone maker supplying semiconductor-grade silicon. major · $5.5B
• Siltronic — Top-four silicon wafer producer headquartered in Munich. major · $3.0B
• Heraeus — Family-owned precious metals group supplying targets and bonding wire. major
• SCHOTT AG — German specialty glass maker owned by the Carl Zeiss Foundation; supplies fused quartz for etch/epitaxy/diffusion equipment, photomask blank glass, and photostructurable FOTURAN glass wafers. major

Equipment (Front End) (4)

• Carl Zeiss SMT — Sole maker of the precision optics inside every ASML lithography system. monopoly
• TRUMPF — Sole supplier of the CO2 drive lasers powering EUV light sources. monopoly
• AIXTRON — Leading MOCVD equipment maker for SiC, GaN and LED production. leader · $4.7B
• Pfeiffer Vacuum — Vacuum-pump maker for semiconductor and analytical applications. major

AI & Data Center (3)

• Siemens Energy AG — Manufactures power transformers and grid technology for data-center power connections, and is investing $1 billion to expand US grid-equipment manufacturing. leader · $144.9B
• Rittal — Manufactures IT enclosures, racks, and cooling systems for data centers; the world's largest enclosure manufacturer, privately held as part of the family-owned Friedhelm Loh Group. leader
• STULZ — Manufactures precision air conditioning and liquid cooling systems for data centers; a privately held, family-owned company headquartered in Hamburg. leader

IDM (2)

• Infineon Technologies — World's top power semiconductor maker; strong in auto and SiC/GaN. leader · $85.9B
• Robert Bosch — Top automotive MEMS sensor maker with growing SiC fab capacity. major

Equipment (Back End) (1)

• SUSS MicroTec — Packaging lithography, coaters and bonders for advanced packaging. major · $1.6B

Analog, Power, RF (1)

• Semikron Danfoss — Power-semiconductor modules for industrial drives and EVs. major

EDA & IP (1)

• Siemens EDA — Third major EDA vendor (ex-Mentor Graphics), a division of Siemens AG. major

Foundry (1)

• X-FAB — European analog/mixed-signal and SiC specialty foundry. niche · $920M

Memory (1)

• Ferroelectric Memory Company — FeFET ferroelectric non-volatile memory IP. niche

Distribution & Misc (1)

• Rutronik — European electronic component distributor. niche

Single-source chokepoints in Germany

• Carl Zeiss SMT — monopoly in Lithography
• TRUMPF — monopoly in Lithography

Tracked revenue

9 of the 21 companies report revenue in the dataset, totalling $166.3B (latest fiscal year per company, SEC EDGAR or Wikidata).