Stonkus Hydraulics

Specializing in on site field service for automatic control valves and related equipment for municipal and industrial water and wastewater pumping application including Parco Valve Actuators, Control Valves, Vacuum Primers, Accumulators and Pressure Relief Valves

With extensive valve and control design experience, Stonkus Hydraulic provides on site field service and engineering in the Northeast and throughout the U.S. for many major valve and actuator manufacturers, as well as PM and emergency valve repairs for local municipal and industrial water and wastewater pumping facilities.

In 1995, Stonkus Hydraulic acquired Parco Engineering and now produces the full Parco product line. In addition, we build components and spare parts and provide retrofit and engineering services for all existing Parco projects.

Sales Reps

Vice President of Sales and Chief Marketing Officer

Glenn Hummel, P.E.


Kevin Livingston, P.E.

HESCO is a professional manufacturer’s representative firm that provides a wide range of process equipment to fit your municipalities needs. Trust the knowledgeable and attentive staff at HESCO to make your project more efficient and cost-effective.

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