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 |
| Alexander Schärf & Söhne GesmbH | Dr. Alexander Schärf Platz 1 | 7100 | Neusiedl am See | 12.02.1980 | revocable |
| Alu Sommer | Industriestraße 6 | 7344 | Stoob | vor 2006 | revocable |
| Austrotherm GesmbH | Peter Schmid-Gasse 1 | 7423 | Pinkafeld | 01.08.1995 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
