- Cotanum GmbH
- Address:Glosterweg 6
- TC30 Telefonservice GmbH
- Address:Oranienburger Str. 69
- Comdata GmbH
- Address:Golternstr. 18
- Optical Refurbishment Center GmbH
- Address:2-6 Werner-von-Siemens Street
- Didactum Security GmbH
- Address:Marsweg 17
- Cm Mobilfunk
- Address:Blumenstr.19
- SENTAL Export GmbH
- Address:Ziethenstrasse 18
- Meldana
- Address:Ernst-Kiessig Str. 1
1