Companies

Captivate operates digital advertising networks in office building elevators and lobbies, reaching professional audiences in commercial real estate environments.

Dentsu's flagship media network, founded 1968. Operates in 70+ countries. Specializes in media planning, buying, and audience strategy.

Carbon is the audience activation / curation tech that Magnite acquired February 28, 2022 from Carbon (RMP) — a UK-based audience-data company founded 2018. Now part of Magnite ClearLine (omnichannel curation/activation, unified October 2025).

VMware Carbon Black is a leading cloud-native endpoint security platform that protects organizations against advanced cyber threats using behavioral analytics and AI-driven threat intelligence.

Cardlytics is a financial technology company that provides targeted advertising and marketing solutions to financial institutions and brands. They leverage purchase data from bank and credit card transactions to deliver personalized offers and advertisements to consumers.

Cargo Collective is a website building platform designed specifically for creative professionals to showcase their portfolios online.

Cariad Commerce is an emerging commerce media and retail advertising platform focused on enabling automotive and mobility sector advertisers to reach in-market car buyers through connected vehicle data and dealer network advertising. It leverages vehicle telemetry and dealer inventory signals to power targeted digital advertising for automotive brands. The platform sits at the intersection of automotive data and retail media.

The Carlyle Group is a global investment firm with $452B+ AUM (NASDAQ: CG). Acquired Kustomer from Meta April 2023 (terms undisclosed; Meta originally paid $1B in February 2022). Active in tech, healthcare, energy, and consumer-products investments worldwide.

Carma is a global media intelligence and monitoring company providing media analysis, PR measurement, and earned media analytics across print, broadcast, online, and social channels. It serves communications professionals in over 80 countries with AI-assisted media monitoring and reporting tools. Carma competes with Cision and Meltwater in the earned media analytics space.

Carmichael Lynch is a full-service independent advertising agency based in Minneapolis known for bold, culturally resonant creative work for major national brands.

Cartology is Australia's leading retail media network, connecting brands with shoppers across Woolworths Group's extensive retail ecosystem.

Animation-focused cable TV network under Warner Bros. Discovery. Launched 1992. Includes Adult Swim block. Notable shows: Adventure Time, Steven Universe, Rick and Morty (Adult Swim).

Marketing automation platform specializing in cart abandonment recovery and multi-channel customer engagement for e-commerce businesses.

Carvertise is a rideshare and vehicle advertising platform that connects brands with drivers to turn their cars into mobile billboards.

Toronto-based ad-network founded 2001. Rebranded to Index Exchange January 28 2015. Andrew Casale took CEO role at the rebrand.

Multicultural marketing and culture agency that joined the unified Media.Monks brand in August 2021 as part of the consolidation of all 24 S4 Capital operating companies. Media.Monks rebranded to Monks in July 2024. Historical brand: search now resolves to Monks.

Catalina is an AdTech platform that provides personalized digital and in-store marketing solutions to brands and retailers.

CBS News is a major American broadcast and digital news network owned by Paramount Global, delivering news content across TV, streaming, and digital platforms with significant advertising inventory.

CBS Sports is a leading sports media division of Paramount Global, offering live sports broadcasting, digital streaming, and advertising solutions across multiple platforms.

Celebrus Technologies is an independent, AIM-listed UK company (renamed from D4t4 Solutions in November 2023) providing first-party data capture and identity-resolution technology for digital customer-experience optimization and fraud prevention.

Celtra is a leading advertising technology company that provides a comprehensive platform for creating, managing, and optimizing digital advertising campaigns across multiple channels and devices.

Celum is an established enterprise software provider headquartered in Austria, specializing in Digital Asset Management (DAM) solutions designed for mid-to-large organizations with complex content management requirements. Since its founding, the company has positioned itself as a strategic digital transformation partner, particularly strong in the European market, helping enterprises manage extensive digital content libraries including images, videos, documents, and marketing materials. The p...