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Companies

4,158 companies in the AdTech ecosystem

Seismic

Seismic

Sales Enablement / MarTech

Seismic is a leading sales enablement and marketing software platform that helps organizations deliver engaging, relevant content to their customers and prospects. The platform provides tools for content management, sales engagement, and analytics.

Marketing TechnologyMarketing PlatformSan Diego, California
T

T-Mobile US

Telco Data & Mobile Advertising

Major US wireless carrier and parent of T-Mobile Advertising Solutions. Acquired PushSpring 2019-07-31 to bolster mobile marketing data offerings. Public company (NASDAQ: TMUS).

Customer Data PlatformIdentity ResolutionBellevue, Washington
Alteryx

Alteryx

Analytics Automation & Data Preparation

Alteryx is an analytics automation platform that enables organizations to automate data preparation, blending, and advanced analytics workflows through a low-code/no-code interface.

Data & AnalyticsMarketing AnalyticsIrvine, California
Amobee

Amobee

Rebranded

Omnichannel Advertising Technology / DSP

Amobee was a leading omnichannel advertising platform that rebranded to Tremor International's Nexxen in 2023, having previously served as Singtel's global digital marketing technology arm.

Demand Side Platform (DSP)Data Management PlatformRedwood City, California
B

Brightroll

Rebranded

Programmatic Video Advertising

BrightRoll was a programmatic video advertising platform that pioneered automated video ad buying and selling before being acquired by Yahoo in 2014.

Video Advertising PlatformProgrammatic PlatformSan Francisco, California
D

Disney Streaming Services

Rebranded

Streaming Technology & Direct-to-Consumer Platforms

Historical (2018-2021) brand for Disney's BAMTech-derived technology subsidiary. Powered Disney+ launch Nov 2019. Rebranded to Disney Streaming Aug 3 2021.

Connected TV PlatformVideo TechnologyNew York, New York
L

LiftDNA

Acquired

Programmatic Advertising / Supply-Side Platform

Supply-side platform acquired by OpenX February 27 2012.

Supply Side Platform (SSP)Programmatic PlatformSan Francisco, California
Localytics

Localytics

Acquired

Mobile Analytics & Engagement

Localytics was a mobile engagement and analytics platform that helped brands understand user behavior and deliver personalized in-app experiences — acquired by Upland Software in 2018.

Marketing AnalyticsMobile MarketingBoston, Massachusetts
M&C Saatchi

M&C Saatchi

Creative & Marketing Services

London-headquartered publicly-traded global marketing and communications group, founded in 1995 by Maurice and Charles Saatchi after their departure from Saatchi & Saatchi. Distinct from Saatchi & Saatchi (Publicis-owned). Listed on the London Stock Exchange (LSE: SAA).

Marketing AgencyPerformance MarketingLondon
N

Nexage

Acquired

Mobile Advertising Exchange/SSP

Nexage was a leading mobile advertising exchange and supply-side platform (SSP) that pioneered programmatic mobile advertising before being acquired by Millennial Media in 2014.

Mobile Ad PlatformAd ExchangeBoston, Massachusetts
OneView

OneView

Rebranded

Connected TV / Programmatic Advertising

OneView is a programmatic advertising technology platform specializing in converged TV advertising solutions that bridge traditional linear television and modern digital streaming environments. The company addresses the critical challenge of audience fragmentation across cable, satellite, over-the-air broadcast, and multiple streaming services by providing unified programmatic access to both legacy broadcast inventory and connected TV (CTV) placements through a single integrated platform. Thi...

CTV PlatformVerification & MeasurementSan Jose, California
Tableau

Tableau

Acquired

Data Analytics & Business Intelligence

Tableau is a leading data visualization and business intelligence platform, now a Salesforce subsidiary, that helps organizations explore, analyze, and present data through intuitive visual analytics.

Data & AnalyticsAttribution & AnalyticsSeattle, Washington
BlueConic

BlueConic

Acquired

Customer Data Platform (CDP)

BlueConic is a customer data platform that helps marketers and data teams create personalized experiences across touchpoints and measure the impact.

Customer Data PlatformIdentity ResolutionBoston, Massachusetts
Captiv8

Captiv8

Acquired

Influencer Marketing Technology

Captiv8 is a leading influencer marketing platform that connects brands with top creators and provides comprehensive tools for campaign management, measurement, and analytics. It empowers businesses to execute data-driven influencer strategies, optimize ROI, and scale their marketing efforts across various social media channels.

Influencer MarketingAI-Powered PlatformSan Francisco, California
Extreme Reach

Extreme Reach

Rebranded

Video Advertising Technology

Extreme Reach is a leading enterprise video advertising technology platform that provides comprehensive end-to-end solutions for managing the complete lifecycle of video advertising campaigns across multiple channels. Founded to address the growing complexity of multi-platform video advertising, the company serves major brands, advertising agencies, and media companies by streamlining video ad creation, trafficking, distribution, and measurement across linear TV, connected TV (CTV), digital, ...

Creative Management PlatformMarketing TechnologyDedham, Massachusetts
Gainsight

Gainsight

Acquired

Customer Success & Retention Technology

Gainsight is a leading customer success platform that helps businesses reduce churn, increase upsell, and drive customer advocacy. It provides solutions for customer success, product experience, and community engagement, enabling companies to put their customers at the center of their business strategy.

Customer Data PlatformMarketing AutomationSan Francisco, California
G

Golin

Merged

Public Relations & Integrated Communications

Golin was a global public relations agency that came to Omnicom with its acquisition of Interpublic in November 2025. Omnicom merged Golin with Ketchum, and the combined agency launched as Golin Ketchum in June 2026.

Marketing AgencyChicago, Illinois
MediaMath

MediaMath

Acquired

Programmatic Advertising / Demand-Side Platform (DSP)

MediaMath was a pioneering demand-side platform (DSP) and programmatic advertising technology company that shut down operations in June 2023 after failing to secure new financing.

Demand Side Platform (DSP)Programmatic PlatformNew York, New York
N

NBCUnified

Identity & Audience Data / Connected TV Advertising

NBCUniversal announced NBCUnified, a first-party data and identity platform for advertisers, at CES on January 5, 2022.

Customer Data PlatformIdentity Resolution
Permutive

Permutive

Data Management & Audience Platforms

Permutive is a leading data management and advertising technology platform that helps publishers and brands to better understand and engage their audiences across the open web.

Customer Data PlatformIdentity ResolutionLondon, England
PlaceIQ

PlaceIQ

Acquired

Location Intelligence & Data Analytics

PlaceIQ is a pioneer in location intelligence, transforming raw location data into actionable insights for businesses. They provide a platform that helps brands, agencies, and publishers understand consumer behavior, measure campaign effectiveness, and make data-driven decisions based on real-world movement patterns. Their technology focuses on privacy-safe data to deliver precise audience targeting and attribution.

Attribution & AnalyticsIdentity ResolutionNew York, New York
Razorfish

Razorfish

Digital Agency/Marketing Services

A global digital agency specializing in experience design, technology, and marketing transformation, operating as part of Publicis Groupe.

E-commerce MarketingMarketing AgencySeattle, Washington
S

SiteScout

Rebranded

Programmatic Advertising / Demand-Side Platform (DSP)

SiteScout was the first self-serve advertising platform for buying online banner ad space in real-time, pioneering programmatic display advertising.

Demand Side Platform (DSP)Programmatic PlatformToronto, Ontario
Versant Media Group

Versant Media Group

Premium Video Advertising & Media

Independent publicly traded media company (Nasdaq: VSNT) that Comcast spun off on January 2, 2026. It owns the USA Network, CNBC, MS NOW, Golf Channel, E!, Syfy and Oxygen cable networks and the Fandango, Rotten Tomatoes, GolfNow, GolfPass and SportsEngine digital platforms.

Connected TV PlatformVideo Advertising PlatformNew York, New York