King Instrument Company specializes in manufacturing a variety of flowmeters, including glass, stainless steel, and acrylic flowmeters. Established in 1983, the company focuses on producing high-quality rotameters and has expanded its product line to meet the demands of various flowmeter applications. With a commitment to customer satisfaction, King Instrument Company designs products based on customer needs while maintaining exceptional quality and style. The company operates from a 46,000 square foot facility in Garden Grove, California, where it manufactures 95% of the components used in its products, including borosilicate glass metering tubes known as Kinglass. King Instrument Company also offers calibration services and NIST traceable calibrations to ensure product accuracy.