Blidösundsbolaget AB / Ångfartyget Blidösund AB / Blidösundsbolaget AB
AB Roslagens Skeppslag was founded in 1968 by Leif Rasmusson and Eric Jägeborg, who the year before had bought the steamship Östanå I.
In 1968, s/s Blidösund was also bought in and an upgrade work began.
Eric Jägeborg died 1977 and more owners joined the company. In 2000 Blidösundsbolaget AB is formed as a subsidiary of Ångfartyget Blidösund AB.