Spoilers below! Just posting this for my own reference.
President: Nanao-san
OL: Comomo
Black Cat: Sasuke-san
Operator (arms dealer): Mizutani-san
Drug store shopkeeper: Tsubasa-kun
Salarymen: Zanbito
OXOX Commerce President: Ooshima-san
Work Producing Machine: Printer
Salesman: Kurono-san