East River Competitors

PubMatic is the leading AI-powered ad tech company delivering digital advertising performance. Through an intelligent, unified platform that connects buyers, publishers, data partners, and commerce media networks, PubMatic delivers superior performance with greater transparency, control, and efficiency. Since 2006, PubMatic has pioneered every major advance in programmatic advertising, from enabling the first OpenRTB transactions to embedding AI-driven optimization and privacy-focused innovation across its platform. With omnichannel scale, proven reliability, and a track record of continuous innovation, PubMatic is building a more intelligent, profitable, and sustainable open internet.Built to Connect. Powered to Perform

Innovid is the leading independent ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love. In 2025, Innovid and Flashtalking merged to create a transparent, scalable alternative to big-tech, walled-garden, and point solutions across CTV, digital, linear, and social channels. As part of Mediaocean, Innovid is tied into the industry’s core ad infrastructure for omnichannel planning, buying, and billing.

Freestar engineers cutting-edge monetization solutions for websites and apps. By combining industry-leading technology, data, and massive scale, we enable busy site and app owners to seamlessly maximize revenue while freeing themselves of the hassles of ad operations. Publishers, e-commerce sites and app developers then have more time to do what they do best: create content.