Clear Channel Outdoor Holdings, Inc. owns, operates, and sells advertising displays in the United States and internationally. It operates through two segments, Americas and Europe.

Townsquare Media, Inc. operates as a digital media and marketing solutions company in small and medium-sized businesses. It operates through three segments: Subscription Digital Marketing Solutions, Digital Advertising, and Broadcast Advertising.

Criteo S.A., a technology company, provides marketing and monetization services on the open Internet in North and South America, Europe, the Middle East, and Africa, and the Asia-Pacific.

Deluxe Corporation provides technology-enabled solutions to enterprises, small businesses, and financial institutions in the United States, Canada, Australia, South America, and Europe.

Integral Ad Science Holding Corp. operates as a digital advertising verification company in the United States, the United Kingdom, Germany, Italy, Spain, Sweden, Singapore, Australia, France, Japan, Canada, India, and Brazil.

Travelzoo, an Internet media company, provides travel, entertainment, and local deals from travel and entertainment companies, and local businesses in the Asia Pacific, Europe, and North America.

Ziff Davis, Inc., together with its subsidiaries, provides internet information and services in the United States, Canada, Ireland, and internationally. It operates in two segments, Digital Media, and Cybersecurity and Martech.

Direct Digital Holdings, Inc. operates as an end-to-end full-service programmatic advertising platform. The company's platform primarily focuses on providing advertising technology, data-driven campaign optimization, and other solutions to underserved and less efficient markets on both the buy- and sell-side of the digital advertising ecosystem.