OSI Maritime Systems is a company that provides integrated navigation and tactical solutions for the maritime industry. Its products include ECPINS Warship, software for military-grade navigation and operational safety; ECPINS Submarine, a tool that delivers depth contour creation, submarine-specific screen layouts, and safety depth setting; Tactical Dived Navigation System (TDNS), a device for naval operations, etc. The company offers sparing design, software engineering, supply chain management, technical training, and other services.