adKor GmbH and its predecessor company Kordus Kommunikationssysteme implemented projects in mobile radio, braodband cable, fixed-line, microwave radio relay, fibre glass network and structured wiring for the following companies and authorities.
- Alcatel (Tesion, LandTel, callino)
- D1 (T-Mobil, DeTeImmo, DeTeLine)
- German Telecom
- Telebild Munich
- Housing cooperative Marzahn, housing cooperative Erfurt, housing cooperative Görlitz, housing cooperative Weißwasser
- e-plus Stuttgart
- BroadNet
- MobilCom
- Vodafone Germany
- Interior ministries in Saxony and Brandenburg
- Police + Federal Border Guard in Saxony and Brandenburg
- Various locations of the Federal Defence by Bauamt offices
- Landesbauamt Brandenburg, Liegenschaftsamt and Bauamt office Potsdam
- ARCOR AG
- CC Compunet
- GE Compune
- General Electric (GE )
- Regiokom, Miniruf
- GFD, Berolina elektronics
- Nokia Siemens Networks Services
- Network 41
- GA Netztechnik
- Deutsche Bahn AG
- Messe Berlin
- KabelBW