PIN MAIL Aktiengesellschaft
- Alt-Moabit 91, 10559 Berlin
- +49 (30) 577978-0
- +49 (30) 577978-101
LogicaCMG Secure Mail
- Kölner Strasse 6, 65760 Eschborn
- +49 (6196) 963600
- +49 (6196) 963700
TradeMail Distribution UG
- Waldstrasse 37, 53177 Bonn
- +49 (228) 304120-0
- +49 (228) 304120-99
Secured eMail
- Drakegatan 7, 41250 Gothenburg, Sweden
- + 46 (0) 31 773 86 00
- +46 31 773 86 01
mailPrint GmbH
- Ermlandstr. 55, 28777 Bremen
- +49 (421) 15118
- +49 (421) 663724
Direct Mail Service Winkhardt
- Ernsthaldenstr. 53, 70565 Stuttgart
- +49 (711) 781988-30
- +49 (711) 7846401
Spring Global Mail
- Ludwig-Erhard-Allee 25, 33719 Bielefeld
- +49 (2203) 9785-517
Mail Professionals GmbH
- Bolongarostraße 82, 65929 Frankfurt
- +49 (69) 339959-0
- +49 (69) 339959-29
MailCom e.K
- August-Bebel-Str. 12, 63225 Langen
- +49 (6103) 9213-60
- +49 (6103) 9213-61
MailConsult GmbH
- Frank-L.-Howley-Weg 26, 14167 Berlin
- +49 (30) 886699-12
- +49 (30) 886699-13