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 |
| Alpla Werke Alwin Lehner KG | Allmendstraße V | 6971 | Hard | 30.09.1985 | revocable |
| Askin & Co GesmbH | Albert Schweitzer-Gasse 6 | 1140 | Wien | 18.02.1999 | revocable |
| Allgemeine Strassenbau-AG | Absberggasse 47 | 1030 | Wien | 21.03.1988 | revocable |
| Atemschutztechnik Menzl Gesellschaft m.b.H. | Absbergerstraße 9 | 3462 | Absdorf | 26.11.2009 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
