Computers

DEC

3 machines

Manchester

1 machine

Bendix

1 machine

MIT Instrumentation Lab

1 machine

Xerox PARC

1 machine

Gigatron

1 machine

RCA

1 machine

IBM

2 machines

Babbage

1 machine

Zuse

1 machine

Cray

1 machine

Data General

1 machine

University of Cambridge

1 machine

University of Pennsylvania

1 machine

Arduino

1 machine

RISC-V International

1 machine

Raspberry Pi

2 machines

Micro:bit

1 machine

STMicroelectronics

1 machine

PJRC

1 machine

Adafruit

1 machine

Espressif

5 machines

Microchip

1 machine

WCH

1 machine

Sipeed

1 machine

Texas Instruments

1 machine

Digistump

1 machine

Parallax

1 machine

Calliope

1 machine

Milk-V

1 machine

Computer Terminal Corporation

1 machine

Kenbak Corporation

1 machine

Librascope

1 machine