launches directory for OOH inventory, a marketplace provider for buying and selling outdoor advertising, has launched a public directory of OOH inventory with more than 3,200 OOH vendors, including media companies, vendors and agencies, according to a company press release.

The directory also includes over 864,000 media listings in various categories including billboards, street furniture, transit and more in 340 different formats.’s directory is the foundation for building the first public OOH ecosystem that allows vendors to interact openly and freely with buyers and marketers, according to the press release.

“The creation and deployment of this comprehensive directory is behind ensuring that anyone can easily and openly buy or sell OOH ads,” said Sam Mallikarjunan, co-founder and CEO of, in the press release. “While other directories exist in the OOH space, none are democratized – completely open and public, with no third-party intermediary to prevent sellers from interacting with buyers. no longer the case. We have incredible respect for the enormous OOH industry and long-standing growth, and our mission is to continue to work collaboratively with friends and industry partners to further accelerate the success of OOH.”

Media owners can upload, edit, and sell their inventory directly from their listing. They also have access to tools like campaign creation, embeddable maps, and billing that make their inventory more accessible, discoverable, and easier for marketers to buy.

Based on collaborations and partnerships with dozens of OOH suppliers, the company has developed several solutions for sales support, inventory management and invoicing.

“ is an advocate for the OOH industry and a resource that helps my business run more efficiently,” David English, vice president of AD-Trend Outdoor Advertising, said in the release. “ truly understands outdoor advertising, both how and why it works. I encourage any outdoor advertising company to have a conversation with them and learn how will help you grow your business in so many ways. They are at the forefront of changing the industry, and we love everything they do for companies like mine. The working relationship that Ad-Trend and I have with is irreplaceable.

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