Founded by Greg Yohe in York, Pennsylvania, Mercury Governor Group designs and supports hydroelectric governor systems and hydraulic power units for mechanical and digital equipment. The small business brings more than 75 years of combined hydro-governor experience, with its principals involved in more than 150 digital governor projects. Its team supports legacy Woodward and Pelton equipment as well as modern systems through field service, training, troubleshooting, and upgrades.
ISNetworld Approved
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Highwire Approved
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ASME PTC-29 compliance
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IEEE 125-2007 compliance
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NERC governor responsiveness requirements for the MISO region
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American HydroFounded in 1986 by four engineers, York, Pennsylvania-based American Hydro designs and manufactures hydroelectric turbines and large pumps while specializing in upgrading and rehabilitating existing equipment. Its 123,000-square-foot facility supports an end-to-end approach, from custom engineering and in-house component manufacturing through field installation and long-term service. American Hydro has built or refurbished hundreds of hydro turbines worldwide and is certified to ISO 9001, ISO 14001 and ISO 45001.333611YORK, PA
Northeast Hydraulics IncSince 1976, Northeast Hydraulics Inc. has served Kittery’s commercial and industrial customers with hydraulic components, repairs, hose assemblies, and custom-built hydraulic power units. Its work ranges from fast, often under-10-minute hose assemblies to specialized systems such as a wicket-gate controller for a local hydroelectric station, with staff working directly with customers to meet specific needs.DICKSON CITY, PA
RG GroupCelebrating 70 years, RG Group designs, manufactures and services motion-control, fluid-handling and automation solutions for industrial customers. The York-based company combines engineering and contract manufacturing with factory-authorized repair, on-site field service and a mobile Hose Doctor operation, supporting products from concept and prototype through production and maintenance. RG Group is a veteran-owned small business, with ISO 9001:2015 certification at its York and Ona, West Virginia facilities.423830YORK, PA
Turner HydraulicsTurner Hydraulics began in 1978, when Bill Turner repaired hydraulic jacks in a backyard garage, and it remains a family business led by his son Dan, who bought the company in 1993. From its 35,000-square-foot Carlisle facility, Turner is known for practical, hands-on fluid-power expertise serving businesses that depend on industrial and mobile equipment. Its round-the-clock field crews support customers when hydraulic systems fail, while its shop handles complex repairs and custom work.238990CARLISLE, PA