Junttan was founded in 1976 in Kuopio, Finland. Junttan not only builds piling rigs, also hammers, power packs and drilling heads. The first rig is built in 1979.
The wel-known PM 20 is built since 1983 and one jear later the first rig was exported. In 2000 a completly new construction hall was built where in 2007 the 1000th hydraulic
hammer was built and a year later the 500th piling rig. In 2010 was the PMx20 introduced as succeser for the PM 20. The biggest product is the PM 30 with a mass of 110