Microcontroller and their manufacturers

I don’t have any experience on microcontroller and I want to start getting in. I always confuse with Microcontroller and their manufacturers. I have explained the name of the manufacture and the product made by them.

8051 : P89V51RD2 is Microcontroller of 8051 family made by NXP

PIC : PIC16F877 is Microcntroller of PIC family made by microchip

AVR : ATmega16 is Microcontroller of AVR Familly made by Atmel

ARM : LPC1768 is a...

Microcontroller and their manufacturers