- 12 Companies at the address Kanzlerstraße 4, 40472 Düsseldorf
- Brune Asset GmbH- Düsseldorf - Real estate (L68) 
- Brune Bau GmbH- Düsseldorf - Architectural and engineering activities, laboratories (M71) 
- Brune Immobilien GmbH- Düsseldorf - Real estate (L68) 
- Brune Real Estate AG- Düsseldorf - Real estate (L68) 
- Brune Real Estate Management AG- Düsseldorf - Real estate (L68) 
- Brune Vermögensverwaltung GmbH- Düsseldorf - Holdings and financial services (K64) 
- CED Germany GmbH- Düsseldorf - Other financial services (K66) 
- CEVA TIERGESUNDHEIT GmbH- Düsseldorf - Pharmacy (C21) 
- Ceva Innovation Center GmbH- Düsseldorf - Pharmacy (C21) 
- Getac Technology GmbH- Düsseldorf - Wholesale trade (G46) 
- SPRO Deutschland GmbH- Düsseldorf - Wholesale trade (G46) 
- Scholl & Balloff GmbH Steuerberatungsgesellschaft- Düsseldorf - Auditors, tax consultants, lawyers (M69)