Asco

ASCO is a premier manufacturer of precision solenoid valves, headquartered in Florham Park, New Jersey, United States. Founded in 1888, the company is officially registered as Automatic Switch Company. It focuses on fluid control and pneumatic solutions. Its high-performance solenoid valves are essential for industrial automation, medical equipment, oil refineries, and power management worldwide. Following its founding, the firm was acquired by Emerson Electric in 1985 and remains a major subsidiary.