The family-owned company Steinkühler consists of Spedition STR gewerblicher Güterkraftverkehr GmbH & Co. KG, G. Steinkühler Transporte GmbH & Co. KG, SCL Silolager and Container-Logistik GmbH & Co. KG, as well as Steinkühler Silo-Tankwagen-Innenreinigung GmbH 6 Co. KG.