A pure-play semiconductor foundry is a company that does not offer a significant amount of IC products of its own design, but instead operates semiconductor fabrication plants focused on producing ICs for other companies. 2007 #TSMC #UMC Group #SMIC #Chartered #IBM (Foundry service) #Vanguard #X-Fab #Dongbu #MagnaChip #Hua Hong NEC 2004 As of 2004, the top 10 pure-play semiconductor foundries were: #TSMC (Taiwan) #UMC Group (Taiwan) #Chartered (Singapore) #SMIC (China) #Dongbu/Anam (South Korea) #SSMC (Singapore) #HHNEC (China) #Jazz Semiconductor (U.S.) #Silterra (Malaysia) #X-Fab (Europe) (source design-resume.com)