Top San Jose, CA AdTech Companies (4,915)

We Make a Difference Because We Are the Difference! At Optimum, we’re not just connecting people – we’re transforming how they experience the world. With a footprint spanning 21 states and serving approximately 4.5 million residential and business customers, we're building the future of connectivity through innovative services like Optimum Fiber Internet, Optimum TV, and Optimum Mobile. This connectivity wouldn’t...

RTB House is a global technology company specializing in innovative marketing solutions powered by deep learning algorithms. Founded in 2012, the company has rapidly grown into a leader in the field of personalized advertising, offering a full-funnel marketing platform that drives real results. Our proprietary technology enables brands to deliver highly relevant and precisely targeted ads to consumers, enhancing engagement...

We are an omnichannel customer acquisition platform with offices throughout the US, Canada and Europe. System1 builds desktop and mobile apps, search engines, and online publications that empower consumers with information while respecting their privacy. We also operate brands that include CouponFollow, Startpage and MapQuest.

Basis Technologies is a leading global provider of automation software designed specifically for enterprise marketers. Our platform, Basis, is the industry’s only comprehensive digital media solution that seamlessly integrates programmatic, site-direct, advanced TV, search, and social media within a single interface. By unifying these functions, Basis simplifies complex and disconnected media operations, automates repetitive tasks, and minimizes manual processes, enabling...

Comcast Advertising is driving the TV advertising industry forward, from delivering ads to linear and digital audiences to pioneering the tech that makes it possible. We help brands connect with their audiences on every screen using advanced data. Just as important as our work is our inclusive and supportive culture, which has earned us recognition as one of the top...

People Inc. is America’s largest digital and print publisher. Our 40+ iconic and fast-growing brands harness the best intent-driven content, the fastest sites, and the fewest ads to help nearly 200 million people every month, including 95 percent of US women, make decisions, take action, and find inspiration. People Inc. brands include PEOPLE, Better Homes & Gardens, Verywell, FOOD &...

GumGum is a contextual-first, global digital advertising platform that uses advanced AI technology to serve captivating creative ads that drive consumer attention, without the use of personal data. At GumGum, we don’t need to know who you are to deliver relevant and engaging ads that align with your active frame of mind. We believe that a digital advertising industry based...

As a full-service agency, program operator, and SaaS technology platform, Share Local Media helps tech and e-commerce companies leverage direct mail to achieve efficient direct response outcomes with high quality branding.

Zeta Global (NYSE: ZETA) is the AI-Powered Marketing Cloud that leverages advanced artificial intelligence (AI) and trillions of consumer signals to make it easier for marketers to acquire, grow and retain customers more efficiently. Through the Zeta Marketing Platform (ZMP), our vision is to make sophisticated marketing simple by unifying identity, intelligence and omnichannel activation into a single platform –...

ClickMint pairs proprietary generative-AI diagnostics with senior CRO operators to uncover friction, launch precision tests, and unlock compounding gains—helping high-growth e-commerce brands scale faster without buying more traffic. Founded by the creator of one of the nation’s top-performing digital marketing firms—honored by Inc. as a Fastest-Growing Company for seven consecutive years and ranked among the Top 50 U.S. marketing agencies...

From film, television, news, theme parks, interactive media, and streaming, our people are at the center of it all. ​Here, we solve complex and business-critical problems. That’s why we’re looking for people to help us continue our evolution, imagining and delivering the most innovative and disruptive products and services through the latest tech advancements in the industry. ​ Here you...

Our mission is to help advertisers, publishers, game developers and Demand Side Platforms scale revenue growth with solutions to market and monetize their mobile apps. We support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance, e-commerce, and entertainment. As a globally distributed team, we value collaboration and communication. We care about fostering a welcoming...

At PatientPoint, we're transforming every doctor-patient interaction with cutting-edge, technology-driven solutions designed to improve health outcomes and quality of life. By delivering impactful, digital, in-office patient education at no cost to physicians across the country, we empower healthcare professionals to connect more meaningfully with their patients. Through partnerships with trusted healthcare brands like Pfizer, P&G, Sanofi, Merck, NatureMade, and Bristol...

We believe in a more equitable and efficient data and financial ecosystem that better serves the needs of both individuals and companies. Attain is a data company powered by our consumer-facing financial services app, Klover. We are building a platform that enables millions of consumers can access their earned wages, savings tools and rewards in seconds with no interest, no credit check...

Fluent, Inc. (NASDAQ: FLNT) is a commerce media solutions provider connecting top-tier brands with highly engaged consumers. Leveraging diverse ad inventory, robust first-party data, and proprietary machine learning, Fluent unlocks additional revenue streams for partners and empowers advertisers to acquire their most valuable customers at scale. Founded in 2010, Fluent uses its deep expertise in performance marketing to drive monetization...

AdCellerant provides businesses access to high-quality digital marketing technology and solutions through partnerships with media companies and agencies.  Focused on generating results and growth for businesses of all sizes, AdCellerant offers best-in-class technology and software, award-winning customer service, expert education, and exceptional operational support to ensure campaign performance for customers. Leveraging proprietary technology UI.Marketing, AdCellerant effectively connects businesses with their ideal...

Acquia is the open digital experience company. We provide the world's most ambitious brands with products built around Drupal to allow them to embrace innovation and create customer moments that matter. At Acquia, we believe in the power of community and collaboration — giving our customers and partners the freedom to build tomorrow on their terms.

SciPlay is a leading developer and publisher of digital games, providing entertaining free-to-play casual and social games to millions. Our data-driven approach, advanced game economy and high-quality content offer a thrilling experience. Our games are true to the authentic spirit of the world’s biggest casino brands and bring users hours of fun.

Agentio enables marketers to buy creator led ads as easily and scalably as Meta or Google ads—automating sourcing, pricing, contracting, delivery, and measurement—so work that took months now happens in minutes. We’re on a mission to transform a $600B digital ad ecosystem by shifting digital ad spend into the hands of creators. That means better outcomes for marketers and enabling creators...

Digible is a motley crew of energetic industry professionals who all share a passion for a common purpose: to transform the apartment marketing industry. We provide a comprehensive suite of digital marketing solutions, including Paid Search & Social, Geofencing, and more. Our use of AI truly sets us apart, Fiona is our groundbreaking predictive analytics platform and Fair Housing Compliance...