E·M·S - Ingenieurbüro für Engineering & Management Service - Mainz

ProFM Facility & Project Management GmbH - Groß-Bieberau

NMS Consulting - Frankfurt

The Green Consultant GmbH - Munich

Linesight - Construction Consultants Frankfurt - Frankfurt

SHP Sandtner, Hamilton & Partner GmbH - Frankfurt

SC Projectmanagement - Burscheid

GREEN finance consulting e. V. - Frankfurt

PMP Consultants Ltd - Birmingham

EKCON Strategy Consultants GmbH - Frankfurt