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 |
| Landa GmbH & Co KG | Landstr. 40 | 4020 | Linz | 02.05.1995 | revocable |
| Lagerhaus Pilstl GesmbH | Schlossgasse 1 | 4760 | Raab | 07.01.1998 | revocable |
| Leopold Steinbach GesmbH | Aistinger Straße 2 | 4311 | Schwertberg | 08.04.1981 | revocable |
| Lenzing Chemiefaser AG | Werkstraße 2 | 4860 | Lenzing | 19.04.1979 | revocable |
| Loden-Frey in Austria Johann GG Frey KG | Lindaustraße 28 | 4820 | Bad Ischl | 24.10.1978 | revocable |
| Lenzing Aktiengesellschaft | Werkstraße 2 | 4860 | Lenzing | vor 2006 | revocable |
| Company Name | Address | Postcode | Place | Awarded on | Type of award |
