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 |
| Amt der oberösterreichischen Landesregierung | Bahnhofplatz 1 | 4021 | Linz | 26.11.2009 | revocable |
| ace Apparatebau construction & engineering GmbH | Hans Thalhammer-Straße 18 | 8501 | Lieboch | 14.10.2013 | revocable |
| Alpla Werke Alwin Lehner KG | Allmendstraße V | 6971 | Hard | 30.09.1985 | revocable |
| Alpenlandkaufhaus Kastner & Öhler OHG | Sackstrasse 7-13 | 8021 | Graz | 09.03.1959 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
