Amkor Technology
AMKRVerified$44.59-6.75%
Packaging & Test
United States
Second largest OSAT provider with ~31,000 employees and $7.1B revenue (2022). Founded 1968; HQ in Tempe, AZ (moved from West Chester, PA in 2005, originally to Chandler). Operates factories in China, Japan, Korea, Malaysia, Philippines, Portugal, Taiwan, and Vietnam; designs, packages, and tests ICs for chip manufacturers.