Top Ten Semi Companies For Profit June 15, 2016 By David Manners Thanks to CapIQ for this one – the ten most profitable (operating margin %) IC companies in 2014: Inotera 53 LTC 46.3 ARM 40.3 TSMC 38.9 Nanya 38.3 Xilinx 32.4 Qualcomm 30.5 ADI 30.1 TI 29.9 Hynix 29.8 Top Ten Semi Companies For Profit