ISP is a leading developer and supplier of liquid rocket engines, tanks and propulsion systems for commercial and military vehicles and spacecraft.
Our leadership position and reputation for quality, reliability and competitive pricing are derived directly from our heritage and outstanding product legacy – and our commitment to innovation for the future. Through ongoing R&D activities and corporate initiatives, our highly experienced team of scientists and engineers are developing higher-performance engines and systems and are using lean manufacturing practices to ensure continued affordability, high performance and high-value products.
22 CFR 125.4(b)(13) applicable.
ISP is a world
leader in bipropellant attitude control propulsion,
with thousands of 2 lbf and 5 lbf thrusters in
operation on orbiting satellites.
ISP offers a wide
range of monopropellant thrusters that are ideally
suited to spacecraft and flight-vehicle attitude
Apogee/Upper Stage Engines
ISP’s LEROS family of flight-proven,
bipropellant, dual mode apogee engines have
demonstrated performance improvements for
three design generations.