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 |
| Blendax GesmbH | | 5400 | Hallein | 11.02.1977 | revocable |
| Betonwerk Rieder GesmbH | Mühlenweg 22 | 5751 | Maishofen | 11.05.1989 | revocable |
| Bauunternehmung Schmuck Gesellschaft m.b.H. | Unterweißbach 1 | 5093 | Weißbach bei Lofer | vor 2006 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
