Question: What is the name of this small company producing operating systems and programming languages, whose employee Kathleen O'Brien programmed the Atari Assembler Editor?
Sentence (from "Atari Assembler Editor"): The Atari Assembler Editor is a cartridge-based development system used to edit, assemble, and debug 6502 programs for the Atari 8-bit family of home computers.
Relevant evidence: Yes