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TIER IV develops open-source software infrastructure for autonomous driving systems, providing a comprehensive technology stack that enables companies to build and deploy self-driving vehicles. Founded in 2015 and headquartered in Nagoya, Japan, the company has established itself as a pioneer in democratizing autonomous vehicle development through its open-source approach, contrasting with proprietary solutions offered by larger competitors. TIER IV's platform addresses the complex software challenges in autonomous driving, from perception and planning to vehicle control systems. The company continues to focus on expanding its open-source ecosystem and supporting global adoption of autonomous driving technologies across various vehicle applications.

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