Societatea de Transport București STB SA is the primary public transportation provider in Bucharest, dedicated to enhancing mobility within the city. Established to ensure efficient transport solutions, STB operates an extensive network of buses, trams, and trolleybuses, serving various routes across the capital. With a focus on accessibility and customer satisfaction, STB offers multiple services, including real-time route planning through its Info TB applications, which assist travelers in navigating the city's public transport system.

In addition to standard services, STB provides educational programs, advertising opportunities, and technical inspections through its dedicated centers. The organization supports a variety of community initiatives and public events, ensuring that its transportation services adapt to dynamic urban needs. For those seeking a richer experience of Bucharest, STB also operates the City Tour line, showcasing the city's attractions. With an emphasis on transparency and customer engagement, STB is committed to evolving its services to meet the demands of modern urban life.