Synthesys

Industry directory

Who builds the compute stack

Every stage from sand to rack: the foundries, the chip designers, the toolmakers and the materials, packaging and systems companies behind them.

292 / 292
292 companies 12 segments · 18 countries 546 cited sources · updated November 2026

01

Foundry

Contract manufacturers that fabricate other companies' chip designs.

16 / 16

02

IDM

Integrated device makers that design and fabricate their own chips.

23 / 23

03

Memory

DRAM, HBM and NAND flash, the commodity silicon every system is built around.

11 / 11

04

Fabless

Chip designers that own the architecture and outsource the fabrication.

44 / 44

05

AI & novel compute

Accelerator, photonics and new-architecture challengers, public and private.

40 / 40

06

EDA & IP

The design software and licensable building blocks every chip starts from.

16 / 16

07

Equipment

The tools on the fab floor: lithography, deposition, etch, metrology and test.

43 / 43

08

Materials

Wafers, gases, chemicals, photoresists, photomasks and substrates.

39 / 39

09

Packaging & test

Assembly and test houses, and the advanced packaging that joins dies together.

12 / 12

10

Systems & OEM

The brands that ship servers, PCs, storage and networking.

21 / 21

11

ODM & EMS

Contract manufacturers that build the racks the brands and hyperscalers sell.

14 / 14

12

Components & infrastructure

Optics, connectors, power and cooling for compute at rack scale.

13 / 13

Compiled from company filings, investor relations pages and industry rankings, current to November 2026. Each entry links the sources it was checked against. Ownership in this industry moves quickly; tickers and status reflect announced deals that have closed. Spotted something out of date? Tell us.