Companies

A mobile medical reference and clinical decision support platform for healthcare professionals, now operating as part of athenahealth's physician engagement solutions.

Eppo is an experimentation platform designed for data scientists and product teams to run trustworthy A/B tests and make data-driven decisions. It provides a robust statistical engine and a user-friendly interface to design, launch, and analyze experiments, ensuring reliable results and faster iteration for product development.

Epsilon is a global marketing technology company specializing in data-driven marketing, customer insights, and personalized advertising solutions for enterprise brands.

Epsilon's CORE ID is an identity resolution platform that enables marketers to connect customer data across channels for personalized advertising and marketing.

Epsilon Digital is a data-driven marketing and advertising technology division of Publicis Groupe, offering identity resolution, audience targeting, and personalized marketing solutions.

Epsilon Retail Media is a retail media network solution that enables retailers to monetize their first-party data and digital properties through targeted advertising capabilities.

Equativ is a global independent advertising technology company providing omnichannel monetization solutions for publishers and advertisers through its SSP, ad server, and programmatic platforms.

Equifax is a global data, analytics, and technology company best known as one of the three major consumer credit bureaus, increasingly leveraging its vast data assets for identity resolution, audience targeting, and marketing analytics in AdTech.

Erich & Kallman is an independent creative advertising agency based in San Francisco known for bold, culturally resonant campaigns for major consumer brands.

Erwin is an enterprise data intelligence software company providing data modeling, data governance, and enterprise architecture solutions for large organizations.

ESPN is a leading sports media network offering live sports programming, news, and digital content, operating as a subsidiary of The Walt Disney Company.

ESPN's streaming service launched April 2018. Standalone ESPN DTC streaming service launched August 21, 2025 ($29.99/month) brings full ESPN linear content to streamers. Major sports advertising surface.

Esri is a global market leader in geographic information system (GIS) software, web GIS, and geodatabase management applications. It provides a comprehensive platform for mapping, spatial analysis, and data management, serving diverse industries and organizations worldwide.

Essence was a global data-driven media agency that merged with MediaCom in January 2023 to form EssenceMediacom, retiring the Essence brand in the process.

EssenceMediacom is WPP Media's largest agency network, formed January 31, 2023 from the merger of MediaCom + Essence. ~10,000 employees, $21B billings. Provides media planning + buying + technology services across 100+ markets. Major clients include Google, Procter & Gamble, Coca-Cola.

Ethyca provides privacy engineering and data governance software that helps companies automate privacy compliance, including consent management and data mapping.

Etsy is a global e-commerce marketplace focused on handmade or vintage items and craft supplies. It connects millions of buyers and sellers worldwide, offering a platform for unique and creative goods.

Eulerian is a European-based marketing analytics and attribution platform that delivers comprehensive digital marketing measurement solutions tailored for enterprises and mid-market companies. The platform distinguishes itself by offering an integrated suite of tools that combines web analytics, multi-touch attribution modeling, tag management, and data activation capabilities within a single unified environment. This consolidated approach enables marketing teams to track complex customer jou...

Global market research provider delivering strategic intelligence, data, and analytics on industries, economies, and consumers worldwide.

EvaDav is a native advertising network specializing in push notifications, native ads, and popunder formats with a focus on performance marketing.

Evalueserve is a global professional services provider specializing in research, analytics, and data management solutions for enterprises across multiple industries. The company delivers marketing intelligence, competitive intelligence, investment research, and business analytics services that enable organizations to make data-driven strategic decisions. With a focus on combining domain expertise with advanced analytics capabilities, Evalueserve serves clients ranging from Fortune 500 compani...

Everflow is a leading partner marketing platform that serves as critical infrastructure within the AdTech ecosystem, enabling businesses to track, manage, and optimize their performance marketing campaigns and affiliate partnerships. The company's sophisticated technology platform provides end-to-end visibility into marketing partnerships through advanced attribution tracking, real-time analytics, and automated partner management tools. Designed to handle complex tracking scenarios at scale, ...

Real-time personalization and customer data platform that delivers individualized experiences across web, email, and mobile channels.