- 12 Companies at the address Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen
- Aquarray GmbH- Eggenstein-Leopoldshafen - Research & Development (M72) 
- CAVIGEN UG (haftungsbeschränkt)- Eggenstein-Leopoldshafen - Plastic (C22) 
- Gemfony scientific UG (haftungsbeschränkt)- Eggenstein-Leopoldshafen - IT (J62) 
- IONYS AG-chemistry in engineering for durable constructions- Eggenstein-Leopoldshafen - Architectural and engineering activities, laboratories (M71) 
- I³motion gGmbH-Infrastructure for the next generation- Eggenstein-Leopoldshafen - Research & Development (M72) 
- Nanoscribe GmbH & Co. KG- Eggenstein-Leopoldshafen 
- Nanoscribe Holding GmbH- Eggenstein-Leopoldshafen - Holdings and financial services (K64) 
- Nanoscribe Verwaltungs GmbH- Eggenstein-Leopoldshafen - Holdings and financial services (K64) 
- Prio Optics GmbH- Eggenstein-Leopoldshafen - Electrical engineering (C26) 
- REVYVE Technologies GmbH- Eggenstein-Leopoldshafen - Special vehicles (C30) 
- Rement GmbH- Eggenstein-Leopoldshafen - Chemical products (C20) 
- microworks GmbH- Eggenstein-Leopoldshafen - Manufacture of other manufactured articles (C32)