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 |
| Mair Franz Komm. Rat | Kirchplatz 499 | 6232 | Münster | vor 2006 | revocable |
| Modeversand Ritter International GmbH & Co. | Reitschulstr. 7 | 6923 | Lauterach | 16.07.1985 | revocable |
| Müller Bau GmbH & Co KG | Badstr. 23 | 6844 | Altach | 22.12.1997 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
