Companies

StackPath is a comprehensive edge computing platform provider that delivers integrated content delivery network (CDN) services, security solutions, and cloud infrastructure to businesses worldwide. The company operates a globally distributed network of edge locations designed to enable organizations to accelerate digital content delivery, secure applications, and optimize web performance with minimal latency. StackPath's platform architecture uniquely combines traditional CDN capabilities wit...

Infillion (formerly Gimbal and TrueX) is a media and technology company specializing in attention-based advertising and connected TV solutions. The company offers interactive video ad formats and CTV advertising technology to maximize viewer engagement.

An open-source e-commerce platform providing merchants with flexible shopping cart systems and control over their online store's look, content, and functionality.

PayPal is a leading digital payments platform that enables businesses and individuals to make and receive payments online, in-person, and on mobile devices.

XR Extreme Reach runs a platform that brands, agencies and studios use to manage video ad creative, deliver ads to TV, streaming and digital outlets, and pay talent and production crews. The company rebranded from Extreme Reach to XR in January 2024.

Social sharing-button and audience-data company that Oracle agreed to acquire on January 5, 2016 and used to feed Oracle Data Cloud audiences. Oracle shut AddThis down on May 31, 2023.

TransUnion is a global information and insights company and one of the three major credit reporting agencies in the United States, alongside Equifax and Experian. Originally founded as a credit bureau, TransUnion has significantly expanded its capabilities beyond traditional credit reporting to become a comprehensive provider of identity resolution, fraud prevention, and risk management solutions. The company leverages vast consumer data assets and advanced analytics to serve businesses acros...

TrueX was an engagement advertising platform that pioneered the 'engagement ad' format, allowing viewers to interact with a single ad in exchange for an ad-free content experience.

Pioneering SSP founded 2007. Google completed its $400M acquisition on December 6, 2011 and retired the product in late 2013. Featured prominently in the 2024 DOJ ad-tech antitrust trial as evidence of Google's anti-competitive acquisitions.

Emplifi — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Hearts & Science was a data-driven media agency network launched by Omnicom Media Group in 2016. In August 2026 Omnicom Media combined it with Mediahub to form Hearts United.

Qualtrics is an experience management platform that helps organizations collect, analyze, and act on customer, employee, product, and brand feedback data.

RhythmOne — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Stagwell Media Network is the media planning and buying division of Stagwell Inc., providing integrated media services across traditional and digital channels.

Assembly is the global media agency under Stagwell Inc., formed by merging Assembly + ForwardPMX into a single integrated media-buying and planning network. ~1,900 employees across 30+ offices in 20+ countries. Distinct from Assembly Industries (the Advent-backed e-commerce software platform that acquired Pacvue in 2021) despite the shared brand name.

BarkleyOKRP — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Freshworks is a global software company that provides cloud-based business software solutions designed to help companies better engage with their customers and employees. Its comprehensive suite includes products for customer support, IT service management, sales, and marketing, catering to businesses of all sizes.

Kinesso is IPG's marketing intelligence and tech holding company formed October 2019. Powered by Acxiom data, Kinesso provides addressable activation, attribution, and audience tools across IPG agencies. In 2024-2026 absorbed Reprise + Matterkind operations into a unified data+tech offering. Now Omnicom-owned post-Nov 26, 2025 IPG acquisition.

Looker is a powerful business intelligence and data analytics platform, now part of Google Cloud, that enables organizations to explore, analyze, and share real-time business insights.

Salesforce Marketing Cloud component for 1:1 personalization across web, mobile, email, and in-app. Renamed from Salesforce Interaction Studio in the Marketing Cloud Winter '23 release (Nov 2022). The product originates from Evergage (acquired by Salesforce Feb 2020), which was rebranded to Interaction Studio, then to its current name.

MullenLowe is a global creative advertising agency network that delivers integrated marketing and communications solutions across traditional and digital channels.

Automattic is the company behind WordPress.com, the world's largest open-source content management system and blogging platform. They also develop other popular digital products and services.

Bazaarvoice is a leading user-generated content (UGC) and ratings & reviews platform that helps brands and retailers collect, manage, and syndicate customer content to drive purchase decisions.

Landvault (formerly Admix, merged + rebranded June 2022) is an immersive/metaverse experience builder. It was acquired by Infinite Reality in July 2024 (~$450M, all-stock) and now operates as part of Infinite Reality.