Test Equipment companies

Companies

• Advantest — Test leader; its testers qualify nearly every AI accelerator and HBM stack. leader · TSE:6857 · $7.1B rev · Japan
• Teradyne — One half of the ATE duopoly with Advantest; strong in SoC and analog test. leader · NASDAQ:TER · $3.2B rev · United States
• Keysight Technologies — Test and measurement leader; RF, photonic, and high-speed EDA tools. major · NYSE:KEYS · $5.4B rev · United States
• Chroma ATE — Taiwanese test and measurement instrument maker for semis and batteries. major · TWSE:2360 · $879M rev · Taiwan
• MPI Corporation — Probe cards and test and measurement systems maker. major · TWO:6223 · $415M rev · Taiwan
• Nordson — Dispensing, bonding inspection, and test systems for electronics and semis. major · NASDAQ:NDSN · $2.8B rev · United States
• Cohu — Test handlers, contactors and inspection for back-end test cells. major · NASDAQ:COHU · $353M rev · United States
• ISC — Korean burn-in and test socket maker. major · KOSDAQ:095340 · $155M rev · South Korea
• Hangzhou Changchuan Technology — Chinese test handler and tester maker. challenger · SZSE:300604 · $786M rev · China
• Beijing Huafeng Test & Control (AccoTest) — Beijing maker of automated test equipment (ATE) for analog, mixed-signal and power ICs. challenger · SSE STAR:688200 · $200M rev · China
• Aehr Test Systems — Wafer-level burn-in test systems, used heavily for SiC devices. niche · NASDAQ:AEHR · $50M rev · United States
• inTEST — Thermal and test-handling solutions for semiconductor test. niche · NYSE:INTT · $67M rev · United States