itelio GmbH
- Franz-Larcher-Straße 4, 83088 Kiefersfelden
- +49 (8033) 6978-4000
- +49 (8033) 6978-91
Linux Foundation
- 1 Letterman Drive / Building D / Suite D4700, 94129 San Francisco, CA
- +1 (415) 723-9709
Free and Open Software Learning Centre (FOSSLC) e.V
- Krohnestrasse 3, 98693 Ilmenau
- +49 (3677) 8749260
OMEGA Software GmbH
- Herrengasse 2, 74182 Obersulm
- +49 (7130) 4006-0
- +49 (7130) 4006-40
HRS - Hotel Reservation Service / Robert Ragge GmbH
- Blaubach 32, 50676 Köln
- +49 (221) 2077-900
- +49 (221) 2077-666
beam-eBooks Christoph Kaufmann
- Bundesallee 171, 10715 Berlin
- +49 (30) 8221374
- +49 (30) 577059749
Silbergrau Consulting & Software GmbH
- Stifterstr. 28, 4020 Linz
- +43 (732) 779169-0
- +43 (732) 779169-11
FreeSoft United Kingdom
- 254 Brooklands Road, KT13 0RD Weybridge
- +49 (203) 738-5257
- +49 (203) 738-4697
AixpertSoft GmbH
- Pascalstraße 25, 52076 Aachen
- +49 (2408) 149-201
- +49 (2408) 149-249
Veeam Software
- Konrad-Zuse-Platz 8, 81829 München
- +49 (89) 207042-800
- +49 (89) 207042-810