CSP, Inc. engages in the development and marketing of information technology integration solutions and high-performance cluster computer systems to industrial, commercial, and defense customers worldwide. It operates in two segments: Systems, and Service and System Integration. The Systems segment designs and manufactures specialty, high-performance computer signal processing systems for the aerospace and defense markets. These systems are used on land, and in airborne and shipboard platforms for high-speed digital signal processing in radar, sonar, and surveillance applications. The Service and System Integration segment provides computer maintenance and integration services, and third-party computer hardware and software services. This segment also provides professional IT consulting services, including maintenance and technical support; implementation, integration, configuration, and installation services; enterprise security intrusion prevention, network access control, and unified threat management; IT security compliance services; and custom software applications and solutions development and support. The company was founded in 1968 and is headquartered in Billerica, Massachusetts.