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Companies

4,251 companies in the AdTech ecosystem

AppNexus

AppNexus

Rebranded

Programmatic Advertising Technology

AppNexus was an American multinational technology company that operated a cloud-based software platform enabling and optimizing programmatic online advertising, founded in 2007 by former Right Media staff, CTO Brian O'Kelley, and Mike Nolet.

Demand Side Platform (DSP)Supply Side Platform (SSP)New York, New York
ESPN

ESPN

Sports Media & Advertising

ESPN is a sports media company whose advertising division, led by a senior vice president of Platform Ad Sales Strategy and Global Operations, is focused on establishing and executing a go-to-market strategy for its digital advertising business to enhance the overall ESPN Platform.

Video Advertising PlatformProgrammatic PlatformBristol, Connecticut
Google Marketing Platform

Google Marketing Platform

Advertising Technology & Marketing Analytics

Google Marketing Platform is an online advertising and analytics platform developed by Google, launched in July 2018, that unifies DoubleClick's advertising services with Google's own advertising and analytics offerings.

Attribution & AnalyticsMarketing PlatformMountain View, California
Meta Ads

Meta Ads

Social Media Advertising

Meta Ads is the advertising platform of Meta Platforms Inc., enabling businesses and marketers to run paid campaigns across Facebook, Instagram, Messenger, and the Audience Network.

Social Media ManagementE-commerce MarketingMenlo Park, California
Paramount Skydance

Paramount Skydance

Rebranded

Media, Entertainment & Streaming

Paramount Skydance, now Skydance, was a global media and entertainment company comprising Studios, Direct-to-Consumer, and TV Media segments, with a portfolio that included Paramount Pictures, CBS, Nickelodeon, MTV, BET, Comedy Central, Showtime, Paramount+, and Pluto TV.

Connected TV PlatformVideo Advertising PlatformNew York, New York
Viant

Viant

Programmatic Advertising / AdTech

Viant is a programmatic advertising technology company that has been empowering marketers to create, execute, and measure advertising campaigns since 1999.

Attribution & AnalyticsDemand Side Platform (DSP)Irvine, California
Oracle Advertising

Oracle Advertising

Defunct

AdTech / Data Management & Measurement

Oracle Advertising was an American cloud-based consumer data collection, activation, and measurement platform for digital advertisers, formed when Oracle acquired Datalogix in December 2014, and it shut down in September 2024.

Identity ResolutionData Management PlatformAustin, Texas
PwC

PwC

Professional Services / Consulting (AdTech, MarTech, Media)

PwC (PricewaterhouseCoopers) is one of the world's Big Four professional services firms that plays a notable role in the advertising and media industry through research, consulting, and measurement.

Marketing AnalyticsVerification & MeasurementLondon
Snapchat

Snapchat

Social Media Advertising

Snapchat is a communications platform that enables users to share moments visually in real time, and has grown into one of the world's largest such services by keeping its focus on connecting people with friends and family.

Mobile Ad PlatformVideo Advertising PlatformSanta Monica, California
TikTok for Business

TikTok for Business

Social Media Advertising

TikTok for Business provides brands with tools to optimize both ad production and measurement, including TikTok One for creator-brand collaboration and TikTok Market Scope, an analytics tool that tracks user behavior across the full buyer journey from awareness through conversion.

Social Media ManagementMobile Ad PlatformCulver City, California
Instagram

Instagram

Acquired

Social Media Advertising

Instagram is a social media platform whose advertising business enables brands to reach targeted audiences through paid placements across the Feed, Stories, Reels, and Explore page.

Influencer MarketingSocial Media ManagementMenlo Park, California
Peacock

Peacock

Streaming Media

Peacock is NBCUniversal's subscription streaming service, which launched nationally in the US on July 15, 2020.

Connected TV PlatformVideo Advertising Platform
Rubicon Project

Rubicon Project

Rebranded

Programmatic Advertising / Ad Tech (SSP)

Rubicon Project, now operating as Magnite, was an American online advertising technology firm based in Los Angeles, California, formed through a merger with Telaria in 2020.

Supply Side Platform (SSP)Programmatic PlatformLos Angeles, California
Microsoft Advertising

Microsoft Advertising

Search & Performance Advertising

Microsoft Advertising is an online advertising platform that enables advertisers to bid for ad placements across search engines including Bing, Yahoo!, and DuckDuckGo, as well as on websites, mobile apps, and video.

Attribution & AnalyticsDemand Side Platform (DSP)Redmond, Washington
X

X

Acquired

Social Media Advertising

X is a social media platform that allows businesses to promote their products and services to over 611 million active monthly users through its advertising offering, X Ads.

Influencer MarketingSocial Media ManagementSan Francisco, California
Mediacom

Mediacom

Rebranded

Media Agency

Mediacom was a global media agency that merged with Essence in January 2023 to form EssenceMediacom.

Attribution & AnalyticsMarketing AgencyLondon, England
Taboola

Taboola

Native Advertising / Content Discovery / AdTech

Taboola is a publicly traded advertising technology company headquartered in New York City, founded in 2007 by Adam Singolda, that operates a digital advertising platform connecting advertisers with audiences across a network of publisher websites and digital properties.

Native AdvertisingAI-Powered PlatformNew York, New York
Walmart Connect

Walmart Connect

Retail Media / AdTech

Walmart Connect is Walmart's retail media network that enables marketplace sellers and brands to promote products across Walmart.com, the Walmart app, physical store locations, and partner websites.

Attribution & AnalyticsRetail Media PlatformHoboken, New Jersey
InMobi CMP

InMobi CMP

Acquired

Consent Management / Privacy Technology / AdTech

InMobi CMP is a consent management platform that helps app and web publishers collect and pass user consent under privacy laws using the IAB TCF standard. Originally Quantcast Choice, it was acquired by InMobi in August 2023 and relaunched under the InMobi name in November 2023.

Privacy & Consent ManagementPrivacy Technology
Liftoff

Liftoff

Acquired

Mobile Advertising Technology

Liftoff is a Blackstone-backed mobile advertising and technology platform, founded in 2012, that merged with Vungle in 2021 to form one of the world's largest independent, privacy-focused platforms covering user acquisition, engagement, monetization, and analytics across the mobile app lifecycle.

Customer AcquisitionMobile MarketingRedwood City, California
comScore

comScore

Media Measurement & Analytics

Comscore is an American-based global media measurement and analytics company that provides marketing data and analytics to enterprises, advertising agencies, brand marketers, and publishers.

Data & AnalyticsMarketing AnalyticsReston, Virginia
Tapad

Tapad

Acquired

AdTech — Cross-Device Identity Resolution

Tapad is a New York City-based adtech firm, now part of Experian, whose core capability is using algorithmic analysis of internet and device data to determine whether multiple devices belong to a single user, enabling cross-device advertising and content delivery.

Attribution & AnalyticsCustomer Data PlatformNew York City, New York
Zemanta

Zemanta

Acquired

Programmatic Advertising / Native Advertising / AdTech

Zemanta is a native advertising and content-recommendation technology company, best known for Zemanta One, a self-serve programmatic demand-side platform (DSP) for native advertising.

Native AdvertisingDemand Side Platform (DSP)Ljubljana, NY
Bidstack

Bidstack

Defunct

In-Game Advertising / AdTech

Bidstack was an advertising technology company specializing in dynamic, targeted, and automated native in-game advertising solutions for the global video games industry, and the company has since shut down.

Verification & MeasurementIn-Game AdvertisingLondon, England