- 33 Companies at the address Holzstraße 6, 40221 Düsseldorf
- DFTG-Deutsche Flüssigerdgas Terminal GmbH- Düsseldorf 
- Datteln 4 Beteiligungs-GmbH- Düsseldorf - Holdings and financial services (K64) 
- Datteln 4 GmbH & Co. KG- Düsseldorf 
- Elektrolyse Mitteldeutschland GmbH- Düsselodrf - Energy supply (D35) 
- LNG Terminal Wilhelmshaven GmbH- Düsseldorf - Energy supply (D35) 
- METHA-Methanhandel GmbH- Düsseldorf - Energy supply (D35) 
- RGE Holding GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper Beschäftigungs- und Qualifizierungsgesellschaft mbH- Düsseldorf - Personnel service provider (N78) 
- Uniper Beteiligungs GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper Energy Sales GmbH- Düsseldorf - Energy supply (D35) 
- Uniper GER REN 107 GmbH & Co. KG- Düsseldorf 
- Uniper GER REN 109 GmbH & Co. KG- Düsseldorf 
- Uniper GER REN 110 GmbH & Co. KG- Düsseldorf 
- Uniper GER REN 111 GmbH & Co. KG- Düsseldorf 
- Uniper GER REN 112 GmbH & Co. KG- Düsseldorf 
- Uniper Global Commodities SE- Düsseldorf - Energy supply (D35) 
- Uniper Holding GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper Hydrogen GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper IT GmbH- Düsseldorf - IT (J62) 
- Uniper International GmbH- Düsseldorf - Energy supply (D35) 
- Uniper International Holding GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper Kraftwerke GmbH- Düsseldorf - Energy supply (D35) 
- Uniper Market Solutions GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper RES Solar 30 GmbH- Düsseldorf - Energy supply (D35) 
- Uniper RES Solar 31 GmbH- Düsseldorf - Energy supply (D35) 
- Uniper RES Solar 32 GmbH- Düsseldorf - Energy supply (D35) 
- Uniper Renewables GmbH- Düsseldorf - Energy supply (D35) 
- Uniper Risk Consulting GmbH- Düsseldorf - Other financial services (K66) 
- Uniper Ruhrgas International GmbH- Düsseldorf - Holdings and financial services (K64) 
- Uniper SE- Düsseldorf - Energy supply (D35) 
- Uniper Solar 1 WHV GmbH- Düsseldorf 
- Uniper Solar II GmbH- Düsseldorf - Management and consultancy services (M70) 
- Uniper Systemstabilität GmbH- Düsseldorf - Energy supply (D35)