F&M Consulting Gröne It-Services UG
- Westaap 25, 44581 Castrop-Rauxel
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
Aagon GmbH
- Lange Wende 33, 59494 Soest
- +49 (2921) 7892-00
- +49 (2921) 7892-44
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
CC Management Consulting GmbH
- Nieder-Wöllstädter Str. 34a, 61191 Rodheim v.d.H.
- +49 (1803) 4088-88
- +49 (1803) 4099-99
Wolters Kluwer Transport Services GmbH
- Luxemburgerstraße 449, 50939 Köln
- +49 (221) 943737481
- +49 (221) 943737482
WOGRA Consulting GmbH
- Apothekergäßchen 6, 86150 Augsburg
- +49 (821) 899492-0
- +49 (821) 899492-20
ComTeam AG Academy + Consulting
- Kurstr. 2-8, 83703 Gmund am Tegernsee
- +49 (8022) 9666-0
- +49 (8022) 9666-96