A0

Also known as A-0

Grace Hopper's team at Remington Rand, 1952

Possibly the first compiled language. It ran on the UNIVAC I and II.

A-1

A-2

A-2 was only used internally.

"The A-2 Compiler System", Remington Rand, 1955.

A-3

AT-3

AT-3 was released as MATH-MATIC.