- 19 Companies at the address Mülheimer Straße 26, 53840 Troisdorf
- DYNOS GmbH- Troisdorf - Manufacture of other manufactured articles (C32) 
- DYNOS Holding GmbH- Troisdorf - Holdings and financial services (K64) 
- DYNOS Holding II GmbH- Troisdorf - Holdings and financial services (K64) 
- DYNOS Treuhand GmbH- Troisdorf - Management and consultancy services (M70) 
- DYNOS Vertriebs GmbH & Co. KG- Troisdorf 
- Elektro Schmitz Mondorf GmbH- Troisdorf - Handwerk (F43) 
- GBBR Gesellschaft für Baustoff- und Bauwerksuntersuchung Rheinland mbH- Troisdorf - Architectural and engineering activities, laboratories (M71) 
- I-aim-I GmbH- Troisdorf - Mechanical engineering (C28) 
- IONTEC4 GmbH- Troisdorf - Mechanical engineering (C28) 
- Köln-Bonn Kurier UG (haftungsbeschränkt)- Troisdorf - Courier services (H53) 
- M2Capital Deutsche Invest GmbH- Troisdorf - Holdings and financial services (K64) 
- SCN System Components Neumann GmbH & Co. KG- Troisdorf 
- Schmitz Immo Invest GmbH- Troisdorf - Real estate (L68) 
- Schmitz Infra GmbH- Troisdorf - Real estate (L68) 
- Schmitz Tools GmbH- Troisdorf - Retail trade (G47) 
- Schmitz Ventures GmbH- Troisdorf - Holdings and financial services (K64) 
- Sika Manufacturing Deutschland GmbH- Troisdorf - Plastic (C22) 
- Steffen Dumont Transporte GmbH- Troisdorf - Transport (H49) 
- TROCELLEN GmbH- Troisdorf - Plastic (C22)