For thirty years Linearizer Communications Group (LGC) has supported the needs of the Space Industry. Linearizer Technology has linearized terrestrial, avionics and uplink satellite RF, microwave and millimeter-wave power amplifiers. Linear Photonics has led the market in analog photonic systems for transmission and signal processing applications. Linear Space Technology has provided space qualified linearizers, SSPAs and specialized satellite hardware. Its satellite linearizers and SSPAs have > 8 million hours of anomaly free operation. All three LCG partners are ISO9001 and AS9100 Certified. Thousands of LCG products are in service, in-flight, in-orbit and throughout the world.