About Stimek | The machine park | Customers | Contact Us | Quality & Environmental Policy JIS AB and Stimek AB are companies that specialize in assembly, repair, maintenance and service work, as well as spare parts manufacturing for heavy and medium-heavy industries. JIS AB was started in 1998 and is owned by Tord Rajala. In 2001, JIS AB took over Stimek AB from the then owner. Stimek AB is a wholly owned subsidiary of JIS AB The business is conducted in its own premises in Jäderfors north of Sandviken. The total area for the business is 900 m². Machine hall with an area of 386 m² and 2 tons of traverse. Sheet metal workshop with an area of 320 m² and a 10 ton traverse. Together, the companies today have 24 full-time employees and some hired contractors. Stimek AB