Deutsche Bahn AG is a leading transportation and logistics company with numerous subsidiaries. It operates transport networks via rail, land, ocean and air, for both passengers and freight. The company has annual revenues of around 30 billion euros, and is one of the largest companies of its kind in the world (Company Website).
One of Deutsche Bahn AG's subsidiaries, DB Schenker, is a partner company of Meshkin Co Ltd (Subsidiary Website), a shipping company that operates exclusively out of Iran (Meshkin Website). Meshkin is responsible for a significant portion of Iranian exports shipping, and its website explains that "In the near future we will be witnessing a remarkable jump in petrochemical exports, made available from investments in the gas fields of South Pars" (Meshkin Website).
Additionally, DB Schenker itself has an Iranian subsidiary, Delta Bar Int'l Transport and Shipping Services (Subsidiary Website). Delta Bar has an annual sales volume of $11 million (Business Monitor, subscription needed).