Companies

Proofpoint is a leading enterprise cybersecurity company specializing in email security, threat protection, and compliance solutions, now operating as a private company under Thoma Bravo ownership.

Amazon QuickSight is a cloud-native business intelligence service that provides interactive dashboards and ML-powered insights for data visualization and analytics.

Readymag is a browser-based design tool for creating websites, portfolios, presentations, and digital publications without coding.

AI lab co-founded by Ilya Sutskever, focused on building safe superintelligence.

Salesforce Platform is an enterprise cloud platform providing low-code application development, integration, and data management capabilities that enable marketing and advertising technology solutions.

Salesforce's flagship CRM platform for managing leads, accounts, contacts, opportunities, products, and the entire sales pipeline. The original Salesforce product (born 1999) and the foundation of the Customer 360 platform. Includes Sales Engagement, Sales Programs, Revenue Intelligence, and Einstein AI features.

Salesforce's customer service and support platform — case management, omnichannel routing (email/chat/phone/social), self-service portals, field service, and AI-powered Einstein Bots. Sister product to Sales Cloud and a core component of Customer 360.

Science Channel is a Discovery-owned cable and streaming network delivering science, technology, and engineering content to curious audiences across the United States.

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

Slack community of 5,000+ marketers founded by David Berkowitz in 2018; acquired by Marketecture Media in May 2025.

Snap Select is Snapchat's premium reserved advertising solution offering guaranteed inventory and brand-safe placements across Snapchat's high-engagement content.

Space launch and Starlink satellite-internet company. Not an adtech company: listed in ATDb because it acquired xAI on February 2, 2026, which makes it the ultimate parent of xAI and of X (formerly Twitter), whose ad business (X Ads) and Grok AI models sit in the advertising landscape.

Privacy-focused search engine that does not track users or store personal information, offering anonymous web search results.

Stream Companies is a full-service automotive advertising agency and marketing technology firm specializing in digital marketing, creative production, and proprietary ad tech solutions for automotive dealerships and OEMs.

Syneos Health is a biopharmaceutical services company (clinical research and commercialization), taken private in 2023 by Elliott, Patient Square and Veritas. Its marketing agency network is Syneos Health Communications.

Syneos Health Communications is a healthcare-focused communications and marketing agency network offering integrated commercial, medical, and marketing services to life sciences and pharmaceutical clients.

Tamr is a data mastering company that leverages machine learning to unify and prepare disparate data sources for analytics and operations. Its platform helps large enterprises create a single, accurate view of critical business entities like customers, suppliers, and products.

Low-price e-commerce marketplace owned by PDD Holdings and one of the largest digital ad spenders.

Video and podcast interview series hosted by AdTechGod and Jeremy Bloom; launched as The AdTech Forum in 2024 and acquired by Marketecture Media with AdTechGod.

AI research company founded by Mira Murati in 2025.

Trillium Software was a leading enterprise data quality and master data management (MDM) solution provider, acquired by Syncsort (now Precisely) to strengthen its data integrity portfolio.

Vectary is an online 3D design tool that allows users to create, customize, and publish 3D content directly in their web browser. It simplifies 3D modeling for web, AR, and VR applications, making professional-grade 3D design accessible without the need for software downloads. The platform caters to designers, marketers, and e-commerce businesses looking to integrate interactive 3D experiences.

Ventura is a streaming TV operating system developed by The Trade Desk and announced on 20 November 2024. TTD built it to shorten the CTV ad supply chain and plans to deploy it through TV makers and other streaming distributors. Disney, Paramount, Tubi and Sonos voiced early support.