Established in 1956, the Harwil Corporation has conceived, designed, manufactured, and marketed electro-mechanical fluid flow and liquid level switches. All designs are focused on producing simple, reliable, low cost units with broad operating flexibility in a multitude of physical, thermal, and chemical operating environments. Harwil Corporation's flow switches have provided reliable solutions for many industries including chiller, scrubber, geothermal, water treatment, boiler, carpet cleaner, pool and spa industries. Ninety-nine percent of the company’s flow and level switches are made entirely in the U.S. at Harwil Corporation and are shipped all over the globe for environmental, oil, water, and other fluid control applications. For over 50 years, Harwil Corporation remains a strong and viable company in Oxnard, California.