Our world class LED technology brings exceptional visual performance and reliability to existing signs that have been in operation for many years. AMSIG Made in America DRUP systems benefit greatly from decades of experience, as a leader in mobile LED DMS. Thousands of AMSIG mobile DMS are operational with DOT’s in North America and Europe. These signs endure considerably more physical punishment than stationary DMS. In addition, AMSIG has a considerable number of overhead changeable signs in operation.