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 |
| Gernot Schuhfried GesmbH | Hyrtlstr. 45 | 2340 | Mödling | 22.11.2000 | revocable |
| Gertraud Holzer GesmbH | Schillerstr. 48-50 | 2351 | Wiener Neudorf | 30.10.1998 | revocable |
| Gottwald GmbH & Co KG | Solarstraße 9 | 3390 | Melk | 30.10.2014 | revocable |
| Georg H. Jeitler Sachverständigengesellschaft mbH & Co KG | Strasserngasse 8/1A | 2500 | Baden bei Wien | 09.07.2018 | revocable |
| GTI Glastechnische Industrie Peter Lisec GesmbH | Theresienthalstraße 27 | 3363 | Ulmerfeld-Hausmening | 05.10.1976 | revocable |
| Grandits GmbH | Ungerbachstraße 10 | 2860 | Kirchschlag in d.Buckl.Welt | 25.04.2000 | revocable |
| Georg Hietzgern OHG | Untere Landstr. 53/55 | 3500 | Krems | 14.12.1923 | revocable |
| Gebr. Grundmann GesmbH | Wiener Straße 41-43 | 3130 | Herzogenburg | 18.09.1973 | revocable |
| Georg Fischer Automobilguss GmbH | Wiener Straße 41-43 | 3130 | Herzogenburg | 19.09.2006 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
