The Swedish Tramway Society currently has eight local chapters or clubs.
The Gävle chapter – the smallest chapter, but a very active one
The Gothenburg chapter – in Sweden’s largest tramway city
The Malmö chapter – the southernmost chapter, with its own museum tramway, MSS
The Stockholm chapter – the largest chapter, runs the Djurgården Line, 7N
The Sundsvall chapter – the northernmost chapter
The Sörmland chapter – the newest chapter, with The Malmköping museum tramway
The Uppsala chapter – with a focus on vintage bus service and bus charters
The Östergötland chapter – the chapter in Norrköping, operates vintage trams