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Companies

4,251 companies in the AdTech ecosystem

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Near Intelligence

Defunct

Data Intelligence & Audience Analytics

Near Intelligence is a global data intelligence platform specializing in location-based audience insights and people intelligence, helping brands and agencies understand consumer behavior across physical and digital worlds.

Identity ResolutionData Management PlatformPasadena, California
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NP Digital

Digital Marketing & Performance Advertising

NP Digital is a performance-driven digital marketing agency co-founded by Neil Patel, specializing in SEO, paid media, content marketing, and data-driven growth strategies for brands worldwide.

Attribution & AnalyticsMarketing AgencySan Diego, California
OpenWrap

OpenWrap

Programmatic Advertising / Header Bidding

OpenWrap is PubMatic's header bidding wrapper for publishers. It was released in April 2016, expanded in 2017 into a Prebid.js-based hybrid client- and server-side wrapper, and later extended to mobile apps and OTT/CTV. In July 2026 PubMatic shelved the web version (OpenWrap Web), with a sunset planned for December, and named Playwire its recommended migration partner; the in-app OpenWrap SDK continues.

Mobile Ad PlatformSupply Side Platform (SSP)Redwood City, California
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OUTFRONT Media

Out-of-Home (OOH) Advertising

OUTFRONT Media is a leading out-of-home (OOH) advertising company operating billboards, transit displays, and digital signage across major U.S. markets.

Digital Out-of-HomeLocation-Based AdvertisingNew York, New York
Rocket Fuel

Rocket Fuel

Merged

Programmatic Advertising / Demand-Side Platform (DSP)

Rocket Fuel (acquired by Sizmek) was an AI-powered programmatic media buying platform that used predictive algorithms for ad targeting and optimization. The company specialized in programmatic display, video, and mobile advertising.

Demand Side Platform (DSP)Redwood City, California
Showheroes

Showheroes

Video Advertising Technology

Showheroes is a video advertising technology company offering in-stream and outstream video solutions with semantic targeting capabilities. They provide video players, content creation tools, and programmatic video advertising for publishers and advertisers.

Video Advertising PlatformBerlin
Smartclip

Smartclip

Video Advertising Technology / Connected TV (CTV) AdTech

A leading European video advertising technology platform specializing in programmatic video advertising and connected TV (CTV) solutions.

Video Advertising PlatformHamburg, Hamburg
Takumi

Takumi

Acquired

Influencer Marketing

Takumi was an influencer marketing platform connecting brands with Instagram creators, acquired by Samy Alliance in 2022 to expand its global influencer marketing capabilities.

Influencer MarketingCustomer AcquisitionLondon, England
Uncommon Creative Studio

Uncommon Creative Studio

Creative Advertising & Brand Strategy

UK independent creative studio. Havas acquired a 51% majority stake July 2023; remains one of the most-awarded creative studios in the UK.

Marketing AgencyLondon, England
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United Internet

Digital Advertising, Internet Services, Telco

United Internet is a German internet services conglomerate operating major consumer brands like 1&1, GMX, and WEB.DE, with significant reach into digital advertising through its high-traffic email and portal platforms.

Customer Data PlatformNative AdvertisingMontabaur, Rhineland-Palatinate
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video intelligence AG

CTV / Contextual Video Advertising (acquired)

video intelligence AG (vi) was a Swiss CTV + contextual video advertising platform acquired by Outbrain on November 22, 2021 for ~$55M. Brand integrated into Outbrain's video + brand offerings post-acquisition. Distinct from Vidora (the AI-personalization startup acquired by mParticle).

Contextual AdvertisingConnected TV Platform
Walgreens Advertising Group

Walgreens Advertising Group

Retail Media

Walgreens Advertising Group is the retail media network of Walgreens, enabling brands to reach healthcare-focused consumers through digital and in-store advertising across one of America's largest pharmacy chains.

Email MarketingSocial Media ManagementDeerfield, Illinois
Walgreens Boots Alliance, Inc.

Walgreens Boots Alliance, Inc.

Retail Media & Health Advertising

Walgreens Boots Alliance is a pharmacy-led health-and-wellbeing holding company (formed by the 2014 Walgreens + Alliance Boots merger; taken private by Sycamore Partners, closed Aug 2025). It operates Walgreens Advertising Group, the retail media network (2020) built on myWalgreens loyalty data.

Attribution & AnalyticsDeerfield, Illinois
Wayfair

Wayfair

E-commerce / Online Retail / Home Furnishings

Wayfair is a leading e-commerce platform specializing in home goods, furniture, and décor, operating as one of the largest online-only retailers in the home furnishings sector. The company leverages a sophisticated digital marketplace model that connects consumers with thousands of suppliers, offering millions of products across multiple price points and styles. Through its data-driven approach and proprietary technology platform, Wayfair provides personalized shopping experiences, advanced v...

Commerce TechnologyE-commerce MarketingBoston, Massachusetts, United States
Adelaide

Adelaide

Ad Measurement and Analytics

Marketing AnalyticsVerification & MeasurementNew York, New York
Adloox

Adloox

Ad Verification

Adloox is an ad verification and brand safety platform that helps advertisers ensure their digital ads are viewable, brand-safe, and free from fraud. Peer39 has owned it since June 2026.

Verification & MeasurementAd Fraud PreventionParis, Île-de-France
AdProfy

AdProfy

Defunct

Digital Advertising Technology / AdTech

AdProfy is a digital advertising technology platform that operates as a dual-sided marketplace connecting publishers and advertisers through specialized push notification and in-page push advertising solutions. The company addresses fundamental challenges in the modern digital advertising ecosystem by offering non-intrusive ad formats engineered to circumvent ad blockers and overcome banner blindness, while maintaining strict adherence to permission-based, opted-in audience engagement protoco...

Marketplace TechnologyAd Exchange
Adstra

Adstra

Data Onboarding & Identity Resolution

Adstra is a data connectivity platform that provides identity resolution, audience data, and data onboarding services for advertisers. The company helps brands connect first-party data with advertising platforms while maintaining privacy compliance.

Identity ResolutionSt. Louis, Missouri
Curata

Curata

Acquired

Content Marketing Technology

Curata was a content marketing platform that used AI and machine learning to help marketers discover, curate, and distribute relevant content at scale.

Email MarketingAI-Powered PlatformBoston, Massachusetts
Domo

Domo

Business Intelligence & Marketing Analytics

Domo is a cloud-native software company that provides a comprehensive business intelligence (BI) platform. Its platform enables organizations to connect, transform, and visualize data from various sources, empowering users with real-time insights and tools for data-driven decision-making across the enterprise.

Attribution & AnalyticsMarketing AnalyticsAmerican Fork, Utah
H

Harmonic

Video Infrastructure and Ad Insertion

Harmonic is a video delivery infrastructure company providing software and hardware solutions for cable operators, satellite, telco, and media companies to deliver broadcast and OTT video services.

Video Advertising PlatformSan Jose, California
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INCRMNTAL

Marketing Measurement & Attribution

Marketing measurement and incrementality-attribution AdTech platform.

Attribution & AnalyticsVerification & MeasurementTel Aviv
Infogroup

Infogroup

Data & Marketing Services

Infogroup is a data and marketing services provider offering business and consumer data, digital marketing solutions, and data-driven insights for sales and marketing professionals.

Marketing AnalyticsData Management PlatformPapillion, Nebraska
Jellyfish

Jellyfish

Performance Marketing & Marketing Technology

Jellyfish is a marketing performance platform that helps brands optimize their digital marketing investments through data-driven insights and analytics.

Attribution & AnalyticsMarketing AnalyticsLondon, England