Sand 9 is a fabless Micro-electromechanical system (MEMS) company based in Cambridge, Massachusetts. Sand 9 developed a piezoelectric MEMS resonator to serve as an alternative for quartz timing devices in applications such as smart phones, low-power wireless devices, and communications infrastructure equipment. Sand 9 was co-founded by Pritiraj Mohanty and Matt Crowley in 2007. Vincent Graziani is the CEO.