Jämstorps Entreprenad AB © 2012 Welcome to Jämstorps Entreprenad AB ! We perform all kinds of earthworks. Sales of rock and natural materials and topsoil. Contact: Niclas Jämstorp 0702-689313 niclas@jamstorps.se Jan Jämstorp 0733-219151 jan@jamstorps.se Lene Alfredsson 0733-873858 lene@jamstorps.se