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 |
| Rudolf Gesellschaft m.b.H. | Walter Rudolf Straße 4 | 2100 | Leobendorf | 12.10.2010 | revocable |
| Rudolf Leiner Gesellschaft m.b.H. | Porschestraße 7 | 3100 | St. Pölten | 12.10.2010 | revocable |
| Rukapol Arbeitsschutzartikel GesmbH | Ramingdorf 27 | 4441 | Behamberg | 14.06.2000 | revocable |
| RIVIERA Pharma & Cosmetics GmbH | Holzhackerstraße 1 | 3430 | Tulln | 17.12.2008 | revocable |
| Rudolf Leiner KG | Rathausplatz 7-10 | 3100 | St. Pölten | 19.10.1988 | revocable |
| Riess Kelomat GmbH | Maisberg 47 | 3341 | Ybbsitz | 24.08.1983 | revocable |
| Rudolf Koller Gesellschaft m.b.H. | Rudolf -Koller-Straße 1 | 3902 | Vitis | 27.03.1998 | revocable |
| REHAU Polymer Industrie GmbH. | Ebersberg 163 | 3040 | Neulengbach | vor 2006 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
