Sven and Erik Nordstrom are two famous Swedish organ builders from the 19th century. Sven Nordstrom (4 February 1801 - 16 February 1887) and his younger brother Erik Nordstrom (28 September 1818 - 26 January 1907) were established starting 1879 in Eksjo. The value of their work is well recognized as of the 50 organs they built, about half survived in service to this day, and many are still in their original condition. They were also known for repairing facades of churches . Organs. Jönköpings frimurarloge, 1834. Bälaryds kyrka, Småland, 1839. Hults kyrka, Småland, 1841.
https://en.wikipedia.org/wiki/Sven_and_Erik_Nordstr%C3%B6m