From WikiChip
list of microprocessor families

Below is a list of processor family organized by company, alphabetized.

AMD

Broadcom

Centaur Technology

Cypress Semiconductor

Cyrix

Digital Equipment Corporation

Fujitsu

HAL Computer Systems

Hitachi

HP

IBM

Intel

MIPS Technologies

MOS Technology

Motorola

NexGen

Ross Technology

SGI

Sun Microsystems


Western Design Center

Western Digital

Zilog