Department of European Union Investments (EUID) – Contracting Authority 

Strategy Development Directorate (SDD) 

Directorate General of Infrastructure Investments (DGII) (AYGM) 

Directorate General of Transportation Services Regulation (DGTSR) 

Turkish State Railways (TCDD) 

TCDD Transport

Private transport carriers and freight forwarders

Private sector investors in transport facilities

International financing institutions

National clusters and associations dealing with multimodal freight activities in Türkiye – Railway Transport Association (DTD), International Transporters Association (UND), Association of International Forwarding and Logistics Service Providers (UTIKAD), International Union for Road-Rail Combined Transport (UIRR), Turkish industries and their associations, including Union of Chambers and Commodity Exchanges (TOBB), Turkish Exporters Assembly (TIM)