Hydra-Stop, based in Burr Ridge, Illinois, is the largest insertion valve and line stop manufacturer in the world. For over 35 years, Hydra-Stop has provided solutions for water control to thousands of municipalities and contractors world-wide. Hydra-Stop manufactures products and executes results to restore up to 50 percent of valves in municipal systems that no longer operate. Specifically, we:- Manufacture equipment for installing insertion valves and line stop fittings in under-pressure applications- Provide technical support for insertion valves and line stop fittings- Advise interested parties about alternative water main repair methodology to eliminate shutdowns and customer interruptions