operational services GmbH & Co. KG
- Frankfurt Airport Center, 60549 Frankfurt am Main
- +49 (69) 689702-710
- +49 (69) 689702-205
connexxa Services Europe Ltd.
- Berner Str. 79, 60437 Frankfurt
- +49 (69) 9050944-20
- +49 (69) 9050944-29
mod IT Services GmbH
- Grimsehlstraße 23, 37574 Einbeck
- +49 (5561) 922-0
- +49 (5561) 922-500
invenio GmbH Engineering Services
- Eisenstrasse 9, 65428 Rüsselsheim
- +49 (6142) 899-0
- +49 (6142) 899-219
Wolters Kluwer Transport Services GmbH
- Luxemburgerstraße 449, 50939 Köln
- +49 (221) 943737481
- +49 (221) 943737482
Claranet GmbH
- Hanauer Landstr. 196, 60314 Frankfurt/Main
- +49 (69) 408018-0
- +49 (69) 408018-100
Aagon GmbH
- Lange Wende 33, 59494 Soest
- +49 (2921) 7892-00
- +49 (2921) 7892-44
CC Management Consulting GmbH
- Nieder-Wöllstädter Str. 34a, 61191 Rodheim v.d.H.
- +49 (1803) 4088-88
- +49 (1803) 4099-99
Interactive Intelligence Germany GmbH
- Lurgiallee 14, 60439 Frankfurt am Main
- +49 (69) 9510660
- +49 (69) 9510660
bpi solutions gmbh & co. kg
- Krackser Str. 12, 33659 Bielefeld
- +49 (521) 9401-0
- +49 (521) 9401-500