ARO is a globally recognized fluid handling brand headquartered in Bryan, Ohio, 43506, and a proud part of the Ingersoll Rand family. With a long heritage of engineering excellence, ARO specializes in positive displacement pumps such as diaphragm and piston pumps as well as lubrication solutions, filters, regulators, lubricators, pneumatic valves, and actuators designed for performance, durability, and the best total cost of ownership in the industry. Our products are expertly developed to support efficient compressed air systems and dependable fluid transfer across a wide range of applications.

Serving customers worldwide, ARO delivers fluid management solutions for industries including chemical processing, manufacturing, energy, pharmaceuticals, mining, and beyond. From heavy-duty industrial pumping systems to precision pneumatic components, our engineered solutions help businesses optimize operations, minimize downtime, and achieve reliable performance in critical environments.