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.

Stagwell Inc. provides digital transformation, performance media and data, consumer insights and strategy, and creativity and communications services. The company operates through three segments: Integrated Agencies Network, Brand Performance Network, and Communications Network. It designs and builds digital platforms and experiences that support the delivery of content, commerce, service, and sales; creates websites, mobile applications, back-end systems, content and data management systems, and other digital environments; designs and implements technology and data strategies; and develops software and related technology products, including artificial intelligence (AI)-enabled communications, research, and media technology, cookie-less data platforms for advance targeting and activation, software tools for e-commerce applications, specialty media solutions in the augmented reality space, and text messaging applications for consumer engagement. The company also provides audience analysis, and media buying and planning services; and strategic insights and guidance services that offers business content, product, communications, and media strategies. In addition, it offers strategy development, advertising creation, live events, immersive digital experiences, cross platform engagement, and social media content services; and leadership, investor and financial relations, social media, executive positioning and visibility, strategic communication, public relation, and public affair services. Further, the company provides Stagwell Marketing Cloud, a suite of software-as-a-service (SaaS) and data-as-a-service (DaaS) technology solutions, including research and insights, communications technology, advance media platform, and media studios; and technology-driven solutions for in-house marketers. Stagwell Inc. 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.

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.

comScore, Inc. operates as an information and analytics company that measures audiences, consumer behavior, and advertising across media platforms in the United States, Europe, Latin America, Canada, and internationally. The company provides digital ad solutions, including Media Metrix Multi-Platform and Mobile Metrix, which measure websites and applications on computers, smartphones, and tablets; Video Metrix that delivers measurement of digital video consumption; Plan Metrix, which offers understanding of consumer lifestyle; Total Home Panel Suite, which capture OTT, connected TV, and IOT device usage and content consumption; CCR, which enhances validated campaign essentials verification of mobile and desktop video campaigns; XMedia Enhanced, which provides a deduplicated view of national programming content; Comscore marketing solutions; Lift Models, which measures the impact of advertising on a brand; Survey Analytics, which measure various consumer insights including brand health metrics; and Activation Solutions, including audience activation and content activation. The company's cross platform solutions products and services comprises Comscore TV–National that helps customers understand the performance of network advertising campaigns; Comscore TV–Local allows customers to understand consumer viewing patterns and characteristics; OnDemand Essentials that provides transactional tracking and reporting; Movie Solutions; and Hollywood Software Suite. In addition, it offers custom solutions for planning, optimization, and evaluation of advertising campaigns and brand protection. Further, the company provides products that measure movie viewership and box office results by capturing movie ticket sales in real time or near real time. It serves digital publishers, television networks, movie studios, content owners, brand advertisers, agencies, and technology providers. The company was incorporated in 1999 and is headquartered in Reston, Virginia.

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.

AdTheorent Holding Company, Inc., a digital media platform, provides programmatic digital advertising services for advertising agency and brand customers in the United States, Canada, and internationally. It uses machine learning and advanced data science to organize, analyze, and operationalize non-sensitive data to deliver real-world value for customers. The company offers predictive targeting solutions across various customer industry verticals and consumer screens, including customized targeting, measurement, and analytical services; and location-based targeting and geo-intelligence solutions. AdTheorent Holding Company, Inc. was founded in 2012 and is headquartered in New York, New York. As of June 21, 2024, AdTheorent Holding Company, Inc. operates as a subsidiary of Cadent, LLC.

Collective Audience, Inc. provides audience-based performance advertising and media platform for brands, agencies and publishers in the United States. The company offers push business unit, such as lead generation and performance based engagement; BattleBridge, a full-service branding and digital marketing agency serving both external clients and other DLQ business units which offers branding and identity development in addition to digital strategy, and media buying services, as well as all necessary ancillary and supporting services to enable the branding and digital practices. It also provides push business unit, including Marble, a proprietary architecture that ingests data from owned and operated brands as a Consumer Data Profile; and Outcome, a self-service lead generation marketplace targeting SMB service providers. Collective Audience, Inc. is headquartered in New York, New York.