Companies
3,613 companies in the AdTech ecosystem
E-Planning
Ad Tech - Supply-Side Platform & Ad Serving
E-Planning is a Latin American ad tech company providing ad serving, programmatic, and yield management solutions for publishers and advertisers. The platform offers a full-stack ad tech solution including SSP, ad server, and header bidding capabilities with strong presence in LatAm markets.
E!
Television Broadcasting / Media & Entertainment Advertising
Entertainment cable channel covering pop culture, celebrity, and lifestyle programming. Versant Media Group subsidiary post-Jan 2026 spinoff.
Easil
AcquiredCreative Technology / MarTech
Cloud-based design platform that enabled teams to create on-brand marketing materials and social media content through customizable templates.
Easyship
E-commerce Logistics & Shipping Technology
Easyship is a cloud-based shipping and logistics management platform that serves as critical commerce infrastructure for e-commerce businesses worldwide. Founded to address the complexities of international and domestic shipping, the company provides a unified dashboard that connects online retailers with multiple courier services, automates customs documentation, and delivers transparent pricing comparisons across carriers. The platform's comprehensive approach to shipping management enables...
eBay
Retail Media / E-Commerce Advertising
eBay is a global e-commerce marketplace and retail media network offering advertisers access to hundreds of millions of active buyers through its self-serve and managed advertising solutions.
eBay Advertising
Retail Media
eBay's retail media advertising platform enabling brands and sellers to reach high-intent shoppers across eBay's global marketplace through sponsored listings and display advertising.
eClincher
Social Media Management
eClincher is a leading player in the social media management sector of the advertising technology ecosystem.
Ecosia
Search Advertising
Ecosia is a search engine that uses ad revenue to plant trees, positioning itself as an environmentally-focused alternative to traditional search engines.
Ecwid
E-commerce Platform
E-commerce platform that enables businesses to add online stores to existing websites, social media pages, and marketplaces.
ecx.io
MergedDigital Agency
Düsseldorf digital agency acquired by IBM March 2016 and rebranded into IBM iX. Brand sunset in joint 2018 announcement with Aperto. Sources: IBM newsroom acq announcement + 2018 joint rebrand.
Edelman
Public Relations & Integrated Marketing Communications
Edelman is the world's largest independent public relations and communications firm, offering integrated marketing, PR, and brand strategy services to global enterprises.
Edgecast
AcquiredContent Delivery Network (CDN) / Edge Cloud
Edgecast was a leading CDN and edge cloud platform provider that delivered content delivery, security, and streaming solutions before being acquired and eventually rebranded as part of Limelight Networks' transformation into Edgio.
Edgio
DefunctContent Delivery Network / Edge Computing / Video Streaming Infrastructure
Edgio is a global edge-enabled software platform spanning content delivery, web applications, and edge video. The company was formed in June 2022 when Limelight Networks completed its acquisition of Yahoo's Edgecast (valued at $300M) and rebranded the combined entity. Edgio operates a global CDN footprint and serves AdTech publishers requiring low-latency video delivery and edge security.
EDO
TV Advertising Measurement & Analytics
EDO is a TV outcome measurement company that links real-time engagement signals (search, social, web visits) to TV ad creative, brand, and program data. Founded in 2015 by Daniel Nadler and actor-investor Edward Norton; headquartered in New York City. Its measurement product is integrated into NBCU's Performance Insights Hub (CES 2026).
Effectv
RebrandedAdvanced TV Advertising / Addressable TV
Effectv was Comcast's local and national advanced TV advertising sales business, operating under the Comcast Advertising umbrella. It provided audience-based targeting and cross-screen advertising solutions across linear TV, streaming, and digital inventory. Effectv was rebranded as Comcast Advertising Media Solutions, which now carries forward its operations within the Comcast Advertising portfolio.
Elastic
Search and Analytics Infrastructure / Observability
Elastic is a leading provider of search-powered analytics infrastructure solutions, best known for its flagship Elastic Stack (formerly ELK Stack) comprising Elasticsearch, Logstash, and Kibana. The company delivers enterprise-grade search, observability, and security solutions that enable organizations to extract actionable insights from massive volumes of structured and unstructured data in real-time. Elastic's distributed, RESTful search and analytics engine powers mission-critical applica...
Elastic Email
Email Service Provider (ESP) / Marketing Technology
Elastic Email is a cloud-based email delivery and marketing automation platform that serves as a comprehensive solution for businesses requiring both transactional email infrastructure and marketing campaign capabilities. Founded as an alternative to premium email service providers, the company has positioned itself as a cost-effective yet powerful option for organizations of all sizes, from startups to enterprises. The platform combines SMTP relay services, RESTful API integration, and a ful...
Elastic Path
E-commerce Technology / Headless Commerce / Composable Commerce
Elastic Path is a leading provider of headless commerce solutions that enables enterprises and mid-market businesses to create flexible, scalable, and personalized shopping experiences across multiple channels. By decoupling the front-end presentation layer from the back-end commerce engine through an API-first architecture, Elastic Path empowers organizations to innovate rapidly on customer-facing experiences while maintaining robust commerce functionality. The platform allows businesses to ...
Eloqua
AcquiredMarketing Automation / B2B MarTech
Eloqua is Oracle's B2B marketing automation platform, enabling enterprise marketers to orchestrate complex, data-driven campaigns across multiple channels.
EmailOctopus
Email Marketing
EmailOctopus is an email marketing service designed to help businesses and creators send newsletters, marketing campaigns, and automated emails. It offers an intuitive platform with features like drag-and-drop email builders, automation, and analytics, often highlighted for its affordability and ease of use.
EmailSuccess
Marketing Technology / Email Marketing Software
EmailSuccess is a specialized enterprise email marketing software provider that occupies a unique niche in the marketing technology landscape by focusing exclusively on self-hosted, on-premise deployment solutions. Unlike the dominant cloud-based SaaS platforms that characterize the email marketing sector, EmailSuccess enables organizations to maintain complete data sovereignty and infrastructure control by deploying comprehensive email marketing capabilities within their own security perimet...
eMarketer
Market Research and Data Analytics
Leading market research and data analytics firm providing insights, forecasts, and statistics on digital marketing, media, and commerce trends.
Emarsys
AcquiredMarketing Automation & Customer Engagement
Emarsys is an omnichannel customer engagement platform that enables personalized marketing automation across email, mobile, social, and web channels.
Embee Mobile
AcquiredMobile Advertising & App Monetization
Mobile advertising platform that monetized Android apps through user engagement with ads and offers, acquired by Verve Group in 2021.