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 |
| LKW Walter Internationale Transportorganisation AG | Industriezentrum NÖ-Süd, Straße 14 | 2355 | Wiener Neudorf | 20.02.1986 | revocable |
| Landis & Gyr Communications (Österreich) GmbH | Triesterstraße 14 | 2351 | Wr. Neudorf | 14.06.2000 | revocable |
| Lehar Getränke & Feinkost GesmbH | Sportplatzstraße 13 | 2483 | Ebreichsdorf | 14.04.1997 | revocable |
| Linzer Glasspinnerei Franz Haider AG | Pragerstrasse 77 | 2000 | Stockerau | 01.04.1977 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
