Donaustahl GmbH

Donaustahl GmbH (lit. Danube Steel Limited Liability Company) was a pre-War German ammunition manufacturer that made 9mm Parabellum rounds.

Appearances
The products of Donaustahl GmbH appear only in Fallout: New Vegas.

Behind the scenes
The name means "Danube Steel", a parody of Rheinmetall AG, which means "Rhine Metal" in German. Also, its logo bears a striking similarity to the flag and coat of arms of Bavaria. There is a real arms manufacturer called "Donaustahl GmbH" based in Bavaria.