AMPAC In-Space Propulsion (ISP) develops and supplies liquid rocket engines, propellant tanks, propulsion systems an propulsion system valves and regulators for commercial and military satellites, launch vehicles and missile defense.

ISP’s diverse product line includes bipropellant and monopropellant thrusters, apogee / upper stage engines, complete propulsion systems, propulsion system valves and regulators, and rolling metal diaphragm tanks. We also provide launch site support for propellant loading and safety training.

The company has manufacturing and test facilities in Niagara Falls, New York, Westcott and Cheltenham UK and Dublin, Ireland.

AMPAC-ISP was formerly the liquid propulsion division of Atlantic Research Corporation and was acquired by AMPAC in 2004.