das Mfg. Inc.
das Manufacturing,Inc. invented the das Curb Marker in 1983. Since then, over 10 million have been placed in service. The markers can be permanently installed on concrete, asphalt or just about any flat surface and are used to mark storm inlets, manholes, valves and service lines. They are easy to use. Perfect for volunteers. Stock titles and low-cost Starter Kits are available. Custom markers can be manufactured in just about any size, shape or color.