This directory aims at historical review only and does not claim to provide actual information.
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
| Norgren Martonair Druckluftsteuerungen GesmbH | IZ NÖ-Süd | 2355 | Wr. Neudorf | 15.12.1992 | revocable |
| Narowetz G.m.b.H. | Pechhüttenbrunnengasse 4-10 | 2345 | Brunn am Gebirge | 07.11.2011 | revocable |
| NOVOMATIC AG | Wiener Str. 158 | 2352 | Gumpoldskirchen | 20.12.1985 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
