The Norwegian Union of Stone Industry Workers (Norwegian: Norsk steinindustriarbeiderforbund) was a trade union representing stonemasons and quarry workers in Norway.
It adopted its final name in 1924, by which time, it had 873 members.
[1] Its leader in the run-up to World War II was Henry William Hansen, who was murdered by the Nazis during the war.
[2] By 1955, the union's membership had grown to 1,133.
[3] In 1961, it merged into the Norwegian Union of Building Industry Workers.