HAMM AG is a member of the WIRTGEN GROUP, a family of companies operating on an international basis in the construction equipment industry. HAMM's success is based on more than 125 years of experience in the development and manufacture of roller and compactors for soil and asphalt compaction. Technologies such as Oscillation, Hammtronic and HCQ - Hamm Compaction Quality underline HAMM's high competence and expertise as a manufacturer of compaction equipment.