Locations
ISI Consulting Group GmbH
Our Group Head office is located at:
Goltsteinstraße 30-31
40211 Düsseldorf
ISI Management Consulting GmbH
Head office
Goltsteinstraße 30-31
40211 Düsseldorf
Energy Systems Consulting GmbH
Head office
Goltsteinstraße 30-31
40211 Düsseldorf
Branch office Bochum
Feldstraße 26A
44867 Bochum
ESC Utility Services Private Limited
Subsidiary India
SBC 2310, Yamuna Building,
Technopark Phase 3 campus,
Trivandrum, Kerala,
695 583 India.
Digitalization for Utilities GmbH
Head office
Goltsteinstraße 30-31
40211 Düsseldorf