STEMAT B.V. is a provider of products and services such as industrial equipment hire,excavators for sand and gravel,combined excavators and conveyors for sand and gravel,crushing plant for sand and gravel,washing and grading plant for sand and gravel,drying equipment for sand,loading equipment, sand and gravel extraction,gravel silos,components and accessories for sand and gravel dredgers,dredgers, bucket or suction, for sand and gravel extraction,screening plant, grain size classification of building materials,rumble strip rolling machines.