From its base in Sylvania, Ohio, H2flow Controls manufactures equipment that controls, protects and measures electric-motor-driven machines and processes, including flow meters and motor-control systems. Founded in 1999, the privately owned company serves customers through a network of distributors and sales representatives in more than 60 countries. Its FlowVis meter is NSF 50 Level 1 certified, while the AcuFlow line is manufactured in the United States for clean, gray and potable water applications.
NSF 50
NSF 50 Level 1
UL
CE
DNV
EAC
UL 508A
IEEE 519
Compliance program
Hoover Instrument Service, IncIncorporated in Ohio in 1947, family-owned Hoover Instrument Service supplies motor controls and industrial components while building custom control panels for pump, water and wastewater applications. The Mansfield company is also a UL508A-certified panel fabricator and operates a repair, calibration and certification lab for handheld test and measurement equipment. It has remained at its current Mansfield location since 1968 and carries Military Cage Code 21032.MANSFIELD, OH
Cleveland ControlsWith roots going back more than a century, Cleveland Controls designs and manufactures U.S.-made sensing switches that prove, measure, and control air and gas flow. Its products serve HVAC, boiler and burner control, and process-monitoring applications worldwide, while its engineering team also develops custom solutions for unusual environmental or mounting requirements. Cleveland Controls holds ISO 9001:2015 certification along with CSA, UL, CE, and UKCA approvals.CLEVELAND, OH
JFlow ControlsCincinnati-based JFlow Controls is known for tightly controlled valve manufacturing supported by a technically trained sales, engineering, and service team. The company supplies industrial flow-control solutions for applications such as data-center cooling and process facilities, with production inspected to international standards and valves tested to API 598.WEST CHESTER, OH
Sigma Controls IncSigma Controls, Inc. is a Pennsylvania corporation founded in 1985 that manufactures state of the art instrumentation for the measurement and control of pressure, level and flow applications commonly found in water, wastewater and environmental industries.PERKASIE, PA