Fisher Controls is an Emerson brand and one of the world‘s largest and oldest process control companies. Founded in 1880 when William Fisher invented the Type 1 constant pressure pump governor—the world’s first control valve—the company has defined the standard for industrial flow control for over 140 years. Fisher manufactures control valves (globe, rotary, ball, butterfly), valve actuators (pneumatic, electric, electro-hydraulic), pressure regulators (direct-operated and pilot-operated), digital valve controllers (FIELDVUE series), field instruments, and diagnostic software including ValveLink and Plantweb Insight. The company‘s intelligent FIELDVUE platform enables real-time valve health monitoring and predictive maintenance. Fisher products are ISO 9001 certified and trusted in oil and gas production, chemical and petrochemical processing, power generation, refining, LNG, mining, and general industrial automation. Headquarters are located in Marshalltown, Iowa, with global manufacturing, engineering, and service centers supporting customers worldwide.