DoubleVerify Holdings, Inc. provides a software platform for digital media measurement, and data analytics in the United States and internationally. The company provides solutions to advertisers that enable advertisers to increase the effectiveness and quality and return on their digital advertising investments. It offers DV Authentic Ad, a metric of digital media quality, which evaluates the existence of fraud-free, brand-suitable, viewability, and geography for each digital ad; DV Authentic Attention that provides actionable, and comprehensive data to drive campaign performance; and Custom Contextual solution, which allows advertisers to match their ads to relevant content to maximize user engagement and drive campaign performance. In addition, the company provides DV Publisher suite, a solution for digital publishers to manage revenue and increase inventory yield by improving video delivery, identifying lost or unfilled sales, and aggregate data across all inventory sources; and DV Pinnacle, a service and analytics platform user interface that allows its customers to adjust and deploy controls for their media plan and track campaign performance metrics across channels, formats, and devices. Further, it offers software solutions are integrated in the digital advertising ecosystem, including programmatic platforms, social media channels, and digital publishers. It serves brands, publishers, and other supply-side customers covering various industry verticals, including consumer packaged goods, financial services, telecommunications, technology, automotive, and healthcare. The company was founded in 2008 and is headquartered in New York, New York.

Integral Ad Science Holding Corp. operates as a digital advertising verification company in the United States, the United Kingdom, France, Ireland, Germany, Italy, Singapore, Australia, Japan, India, and the Nordics. The company provides IAS Signal, a cloud-based technology platform that offers return on ad spend needs; and deliver independent measurement and verification of digital advertising across devices, channels, and formats, including desktop, mobile, connected TV, social, display, and video. Its digital media quality solutions offer ad fraud detection and prevention, viewability, brand safety and suitability, contextual targeting, inventory yield management, and reporting. In addition, the company offers Quality Impressions, a metric designed to verify that digital ads are served to a real person rather than a bot, viewable on-screen, and presented in a brand-safe and suitable environment in the correct geography; Context Control solution that delivers contextual targeting and brand suitability capabilities; pre-bid programmatic and post-bid verification solutions for advertisers; and optimization and verification solutions for publishers. It serves advertisers and agencies, publishers, and supply side platforms. The company was founded in 2009 and is headquartered in New York, New York.

Innovid Corp. operates an independent software platform that provides ad serving, measurement, and creative services. It offers advertising services for the creation, delivery, and measurement of TV ads across connected TV, mobile TV, and desktop TV environments to advertisers, publishers, and media agencies. The company serves consumer packaged goods, pharmaceutical and healthcare, retail, financial services, and automotive and technology industries; third party agencies; and publishers in the United States, Canada, Europe, the Middle East, Africa, Latin America, and the Asia Pacific. Innovid Corp. was incorporated in 2007 and is headquartered in New York, New York.

Viant Technology Inc. operates as an advertising technology company. It provides Household ID, a people-based innovation that combines digital and personal identifiers into a normalized household profile; AI Bid Optimizer, solution that uses AI to analyze historical bid opportunities to predict the lowest media cost for desired advertisement; and Viant Data Platform, which offers marketers control over their own data with actionable insights into their marketing initiatives within a single platform. The company also offers Holistic, an omnichannel DSP for marketers and their agencies to manage omnichannel campaigns and access metrics from each channel to inform decisions in other channels; Viant Identity Graph, which reduces or eliminates the need for cookies by enabling matching of people-based identifiers that anchor digital identifiers that allows marketers to reach targeted consumers in a privacy-conscious manner; and Direct Access, a path optimization program. In addition, it provides campaign analysis and data intelligence tool that empowers customers with differentiated insights, including conversion lift, multi-touch attribution, foot-traffic data reports, digital-out-of-home lift, sales reporting, and ROAS analytics; and self-service platform that provides customers with transparency and control over their advertising campaigns and underlying data infrastructure. The company sells its platform through a direct sales team focused on business development in various markets. It serves purchasers of programmatic advertising inventory; and large, independent, and mid-market advertising agencies, as well as marketers. The company was founded in 1999 and is headquartered in Irvine, California.

Outbrain Inc., together with its subsidiaries, operates a technology platform that connects media owners and advertisers with engaged audiences to drive business outcomes worldwide. It offers a suite of solutions for media owners that facilitates content discovery and monetization for its media partners on their own sites; Onyx by Outbrain, a branding platform; AI platform that delivers customized experiences; engaging video experiences for publisher audience development and advertiser purposes; tools and services to promote organic editorial experiences to their audiences, enhancing audience engagement, recirculation, and monetization opportunities; and Keystone by Outbrain technology that extends ad server optimization. The company also provides advertising solutions for advertisers, including ad experiences, such as standard native, carousel and app install ads, outstream video, contextual pre-roll video, and high-impact display; AI-powered prediction engines; Conversion Bid Strategy tool that uses engagement data and machine learning to optimize bid strategies to hit the advertiser's desired campaign goals; data comprising targeting offerings based on consumer interest segments, as well as complex offerings that predict audience characteristics based on contextual and interest data; Outbrain platform, which enables advertisers to optimize campaign goals, engagement, and delivering other measurable business outcomes; and full-stack buying solutions. Outbrain Inc. was incorporated in 2006 and is headquartered in New York, New York.

Veritone, Inc., together with its subsidiaries, engages in the provision of artificial intelligence (AI) computing solutions and services in the United States, the United Kingdom, France, Australia, Israel, and India. It develops and operates aiWARE platform, an AI operating system, that uses machine learning algorithms or AI models designed to mimic human cognitive functions, such as perception, prediction, and problem solving and optimization, as well as enables users to transform unstructured data into structured data, and analyze and optimize data to drive business processes and insights. The company also provides media advertising agency services, including media planning and strategy, media buying and placement, campaign messaging, clearance verification and attribution, and custom analytics directly to advertisers through outbound sales networking, and client and partner referrals, as well as indirectly through advertising agencies or marketing consultants. It serves media and entertainment, government, legal and compliance, energy, and other vertical markets. The company was formerly known as Veritone Delaware, Inc. and changed its name to Veritone, Inc. in July 2014. Veritone, Inc. was incorporated in 2014 and is headquartered in Denver, Colorado.

Fluent, Inc. provides data-driven digital marketing services in the United States and internationally. The company operates through Fluent and All Other segments. It offers customer acquisition services by operating digital marketing campaigns, through which the company connects its advertiser clients with consumers. The company also delivers data and performance-based marketing executions to various consumer brands, direct marketers, and agencies across a range of industries, including financial products and services, media and entertainment, health and life sciences, retail and consumer, and staffing and recruitment. Fluent, Inc. was founded in 2010 and is headquartered in New York, New York.

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. Direct Digital Holdings, Inc. serves various industry verticals, such as travel, education, healthcare, financial services, consumer products, and other sectors with a focus on small and mid-sized businesses. The company was founded in 2018 and is headquartered in Houston, Texas.