OpenX

Technology, Information and InternetCalifornia, United States501-1000 Employees

OpenX operates a digital advertising platform that functions as a supply-side solution, helping publishers monetize their inventory while maintaining control over how ads are sold. The company emphasizes quality standards, data leadership, and a forward-looking infrastructure to support efficient media operations. It is based in Pasadena, California, and operates within the technology, information and internet industry. OpenX serves agencies, brands, data providers, AI-driven firms, and other partners across the advertising ecosystem, collaborating on global programmatic initiatives. In 2026, the company announced a partnership with Overwolf to unlock high-attention video opportunities in gaming. These developments illustrate ongoing efforts to expand partnerships and evolve its platform to meet changing media needs.

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