The main IC diagram can be found here.

Qualcomm brings their entire chipset onto the line including its RF Transceivers for both CDMA/EV-DO, an integrated GSM/UMTS chip, and its PMIC.

TriQuint Semiconductors also make an appearance with managing power.

Bluetooth functionality is again won by CSR, while SiRF is notably absent due to the GPS integration into the processor.

STMicroelectronics seems to have developed the Accelerometer.

The BlackBerry Storm uses a Synaptics IC for driving the capacitive touch.