OSI Maritime Systems

Logo with stylized letters "OSI" in bold, dark blue font. The "O" is formed by a blue and cyan circular shape, conveying a modern, professional tone.

Deployed across 27 navies and recognized as the de facto WECDIS solution for NATO and Allied Europe, OSI Maritime Systems leads the field in integrated navigation and tactical technologies for both surface and subsurface platforms. With advanced capabilities—including autonomous functions and a resilient GNSS‑denied Tactical Dived Navigation System—OSI delivers exceptional situational awareness and mission assurance in the most demanding environments.

For more than 20 years, OSI has equipped military customers worldwide with proven integrated navigation and tactical systems. As a pioneer in Warship Electronic Chart Display and Information Systems (WECDIS), the company provides integrated bridge systems for warships, dived navigation solutions for submarines, and C2 systems for small craft. Today, OSI supports 27 naval customers globally, with more than 800 warships and submarines operating its trusted technologies.

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