I am a Electronic Component supplier based in India, Mumbai.
I can try and help you in sourcing PIC18F67K90-I/PT, but it is very small quantity. Kindly let me know.
I can supply you with Integrated Circuits, Microchips , MicroControllers, Voltage Regulators, Relays, Crystals, Mosfet, ASIC , FPGA, Transistors and other (LCD, Connectors, Heat Sink etc. ) Active and Passive Components.