Storstockholms Lokaltrafik, or more formally Aktiebolaget Storstockholms Lokaltrafik, is the organisation running all of the land based public transport systems in Stockholm County. It was previously known as Stockholms Lokaltrafik. Wikipedia
Customer service: 011 46 8 600 10 00
Owner: Region Stockholm
CEO: David Lagneholm (2020–)
Revenue: 19.27 billion SEK (roughly €1.88 billion)
Founded: 1916, Stockholm, Sweden
Headquarters: Stockholm, Sweden
Subsidiaries: Tågia Ab, Ab Sl Finans, and SL Infrateknik AB