Yuugen Kaisha
English name: Phantom Quest Corp.
Genres: Action, Adventure, Comedy, Supernatural
Type: OVA, Episodes: 4
Aired: Aug 25, 1994 to Feb 25, 1995
Studio: Madhouse
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
In a country where companies are categorized into many subdivisions and corporations, only one of them is a ghost corp—the Phantom quest corp. When otherworldly supernatural phenomenon threatens the city and its populace, Ayaka Kisaragi and her employees are on the job to fight any and all supernatural menace.

(Source: ANN)