- 17 Companies at the address Schloss Wittgenstein 1, 57334 Bad Laasphe
- Bluehouse Energy GmbH & Co. KG- Bad Laasphe 
- Bluehouse Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Boxbach Energy GmbH & Co. KG- Bad Laasphe 
- Boxbach Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Eder Energy GmbH & Co. KG- Bad Laasphe - Energy supply (D35) 
- Eder Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Greyhouse Energy GmbH & Co. KG- Bad Laasphe 
- Greyhouse Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Lahn Energy GmbH & Co. KG- Bad Laasphe - Energy supply (D35) 
- Lahn Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Prinz Wittgenstein Vermögensverwaltungs GmbH & Co. KG- Bad Laasphe 
- Prinz Wittgenstein Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Sayn Energy GmbH & Co. KG- Bad Laasphe - Energy supply (D35) 
- Sayn Energy Verwaltungs-GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Wittgenstein New Energy Holding GmbH- Bad Laasphe - Holdings and financial services (K64) 
- Wittgenstein New Energy Nr. 6 GmbH- Bad Laasphe 
- Wittgenstein Operations GmbH- Bad Laasphe - Energy supply (D35)