Francotyp-Postalia Holding AG
- Prenzlauer Promenade 28, 13089 Berlin
- +49 (800) 3726268
- +49 (1805) 344214
ZALARIS Deutschland AG
- Rathausplatz 3, 24558 Henstedt-Ulzburg
- +49 (4193) 7532-0
- +49 (4193) 7532-10
midcom GmbH
- Bahnhofstraße 2, 53340 Meckenheim
- +49 (2225) 999999-0
- +49 (2225) 999999-8
operational services GmbH & Co. KG
- Frankfurt Airport Center, 60549 Frankfurt am Main
- +49 (69) 689702-710
- +49 (69) 689702-205
F&M Consulting
- Tiergartenstraße 54g, 47053 Duisburg
- +49 (203) 608499-10
- +49 (203) 608499-11
IT Outsourcing
- Messegelände, 30521 Hannover
- +49 (511) 89-0
- +49 (511) 89-32626
outsourcing4work GmbH
- Otto-Hesse-Strasse 19 (T1), 64293 Darmstadt
- +49 (6151) 906990-0
- +49 (6151) 906990-9
SOB Sales Outsourcing Business GmbH
- Zollikerstrasse 27, 8032 Zürich
- +41 (44) 38664-04
- +41 (44) 38664-01
MOS Mobility Outsourcing Service GmbH + Co. KG
- Balcke-Dürr-Allee 3, 40882 Ratingen
- +49 (800) 667667-7
- +49 (2102) 5369-192
APM Outsourcing Ltd.
- Westhafenplatz 1, 60327 Frankfurt am Main
- +49 (69) 7104564-10
- +49 (69) 7104564-50