Companies

Microsoft's cloud-based analytics service that integrates big data and data warehousing for enterprise-scale data processing and analytics.

Ring is Amazon's smart home security subsidiary — video doorbells, security cameras, alarm systems. Acquired by Amazon February 2018 for ~$1B. Material to Amazon's smart-home + retail-media play; subject to repeated privacy + law-enforcement-data-sharing controversies.

Slack is a cloud-based team collaboration and messaging platform owned by Salesforce, widely used by businesses to streamline communication, integrate workflows, and replace email-centric work culture.

TNT Sports is the US sports division of Warner Bros. Discovery (now part of Skydance), formerly Turner Sports; it took the TNT Sports name on January 18, 2024. It runs sports on TNT and TBS and owns Bleacher Report.

Trifacta was a data preparation and wrangling platform that helped organizations clean, structure, and enrich raw data for analytics, acquired by Alteryx in 2022.

Univision is the leading Spanish-language media company in the United States, offering advertisers premium access to the U.S. Hispanic audience across TV, radio, and digital platforms.

Zynga is a leading mobile game developer and publisher that leverages its massive player base for in-game advertising and user acquisition, making it a significant player in mobile AdTech.

Behance is Adobe's creative portfolio platform where designers, artists, and creative professionals showcase their work and discover creative talent.

Charter Communications, Inc. is the second-largest cable operator in the United States, providing video, internet, voice, and mobile services under the Spectrum brand. Headquartered in Stamford, Connecticut. Co-owner (with Comcast and Cox) of the Ampersand multichannel ad-sales JV; its ad-sales arm Spectrum Reach is the operating subsidiary.

Findaway was a digital audiobook distribution and technology company. Spotify acquired it in June 2022, and on August 1, 2025 it was carved out of Spotify and relaunched as the independent company INaudio.

Letgo was a popular mobile classifieds marketplace for buying and selling secondhand goods locally, which merged with OfferUp in 2020 to form the largest mobile C2C marketplace in the US.

London Stock Exchange Group — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Mastercard — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Monotype — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Neeva was an ad-free, privacy-focused subscription search engine founded by former Google executives that shut down in 2023 after being acquired by Snowflake.

Neustar MarketShare is an enterprise marketing analytics platform offering advanced marketing mix modeling, multi-touch attribution, and unified measurement solutions for global brands.

American digital media, publishing, and information-services holding company — owner of Variety, Rolling Stone, Billboard, The Hollywood Reporter and WWD, and (via its 2026 PMX division) the acquired Vox Media brands.

3D mapping startup acquired by Snap 2021 for $7.6M. Tech contributed to Snap Map AR features.

Data security company specializing in data discovery, classification and protection. Not an adtech company: listed in ATDb because it acquired Dataguise in November 2020.

Publicis Commerce is the commerce-focused practice within Publicis Groupe, delivering end-to-end retail media, shopper marketing, and ecommerce solutions for global brands.

Skydance DTC is Skydance's direct-to-consumer streaming division, home of HBO Max and Paramount+, led by co-chairs Casey Bloys and JB Perrette after Skydance's acquisition of Warner Bros. Discovery closed on October 6, 2026.

SugarCRM is an AI-driven CRM platform that helps businesses build stronger customer relationships through intelligent sales, marketing, and service automation.

TelevisaUnivision is the world's leading Spanish-language media company, operating a vast portfolio of TV networks, streaming platforms, and digital properties reaching Hispanic audiences across the US and Latin America.