> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-using/pubmatic/ # Companies using PubMatic PubMatic is a sell side advertising platform that helps publishers manage and monetize digital ad inventory. Here are the organizations where it was detected, where it is most common and how to reach the people who run it. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Organizations that use PubMatic include La Poste Groupe, Thermo Fisher Scientific, The AA, Kohl's and Cleveland Clinic. PubMatic is in the advertising and retargeting category; below are the industries where it is most common, how adoption changes with size and the tools found alongside it. ## What is PubMatic? PubMatic is a sell side advertising platform that helps publishers manage and monetize digital ad inventory. It sits in the advertising and retargeting category and is usually owned by advertising and paid media leaders. ## Which companies use PubMatic? Organizations where PubMatic was detected include La Poste Groupe, Thermo Fisher Scientific, The AA, Kohl's and Cleveland Clinic. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Industry | Size | | --- | --- | --- | | [AOL](https://enrich.chat/company/aol/) | Information technology and services | 10,000 to 25,000 | | [Atria Senior Living](https://enrich.chat/company/atria-senior-living/) | Real estate | 10,000 to 25,000 | | [Bouygues Telecom](https://enrich.chat/company/bouygues-telecom/) | Telecommunications | 10,000 to 25,000 | | Brookfield Properties | Real estate | 10,000 to 25,000 | | [Cleveland Clinic](https://enrich.chat/company/cleveland-clinic/) | Hospitals and health care | 50,000 to 100,000 | | [Denny's](https://enrich.chat/company/dennys/) | Restaurants | 10,000 to 25,000 | | Dummies Custom Solutions | Marketing and advertising | 10,000 to 25,000 | | [eBay](https://enrich.chat/company/ebay/) | Information technology and services | 10,000 to 25,000 | | Equinox | Health, wellness and fitness | 10,000 to 25,000 | | [Everise](https://enrich.chat/company/everise/) | Outsourcing and offshoring | 10,000 to 25,000 | | [Ferrari](https://enrich.chat/company/ferrari/) | Automotive | 10,000 to 25,000 | | [Grupo Televisa](https://enrich.chat/company/grupo-televisa/) | Telecommunications | 25,000 to 50,000 | | [Harvard University](https://enrich.chat/company/harvard-university/) | Higher education | 25,000 to 50,000 | | [IndiaMART InterMESH](https://enrich.chat/company/indiamart-intermesh/) | Information technology and services | 10,000 to 25,000 | | [Kmart](https://enrich.chat/company/kmart/) | Retail | 10,000 to 25,000 | | [Kohl's](https://enrich.chat/company/kohls/) | Retail | 50,000 to 100,000 | | [La Poste Groupe](https://enrich.chat/company/la-poste-groupe/) | Logistics and supply chain | 100,000+ | | [Long & Foster Real Estate](https://enrich.chat/company/long-and-foster-real-estate/) | Real estate | 10,000 to 25,000 | | [Mayo Clinic](https://enrich.chat/company/mayo-clinic/) | Hospitals and health care | 50,000 to 100,000 | | [Mynet](https://enrich.chat/company/mynet/) | Information technology and services | 10,000 to 25,000 | | [Nielsen Holdings](https://enrich.chat/company/nielsen-holdings/) | Information technology and services | 25,000 to 50,000 | | [Purdue University](https://enrich.chat/company/purdue-university/) | Higher education | 25,000 to 50,000 | | [SHEIN](https://enrich.chat/company/shein/) | Apparel and fashion | 10,000 to 25,000 | | [TED Conferences](https://enrich.chat/company/ted-conferences/) | Nonprofit organization management | 10,000 to 25,000 | | [The AA](https://enrich.chat/company/the-aa/) | Automotive | 100,000+ | | [The Western Union](https://enrich.chat/company/the-western-union/) | Financial services | 10,000 to 25,000 | | [Thermo Fisher Scientific](https://enrich.chat/company/thermo-fisher-scientific/) | Research | 100,000+ | | [Travel + Leisure](https://enrich.chat/company/travel-leisure/) | Hospitality | 10,000 to 25,000 | | [Univision](https://enrich.chat/company/univision/) | Broadcast media | 10,000 to 25,000 | | [Werner Enterprises](https://enrich.chat/company/werner-enterprises/) | Transportation, trucking and railroad | 10,000 to 25,000 | ## Which industries use PubMatic most? The bars show, for each industry, the share of listed organizations where PubMatic was detected. **Figure: Where PubMatic shows up most often.** Bars for the share of organizations in each of 3 industries where PubMatic was detected, from Publishing at 28% down to Information technology and services at 2%. *Share of listed organizations in each industry where PubMatic was detected.* ## Do larger companies use PubMatic more? For each size range, the column shows the share of listed organizations where PubMatic was detected. **Figure: PubMatic by company size.** Six columns, one per size range from 2,000 to over 100,000 employees, showing the share of organizations where PubMatic was detected: 2-5K 1%, 5-10K 1%, 10-25K 1%, 25-50K 0%, 50-100K 1%, 100K+ 1%. *Share of listed organizations in each size range where PubMatic was detected.* ## What tools go with PubMatic? Among the organizations that use PubMatic, these tools stand out: each is detected more often alongside PubMatic than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among PubMatic users.** Bars for the share of PubMatic users that also use each tool, with a tick for the share across all listed organizations: DoubleVerify 59% against 1%, Integral Ad Science 59% against 1%, Unruly 55% against 1%, Media.net 43% against 1%, Outbrain 32% against 0%, Nativo 28% against 0%, Conversant (ValueClick) 27% against 0%, Nielsen NetRatings 16% against 0%. *Share of organizations using PubMatic where each tool was also detected. The tick marks the share across all listed organizations.* [DoubleVerify](https://enrich.chat/companies-using/doubleverify/)[Integral Ad Science](https://enrich.chat/companies-using/integral-ad-science/)[Unruly](https://enrich.chat/companies-using/unruly-media/)[Media.net](https://enrich.chat/companies-using/media-net/)[Outbrain](https://enrich.chat/companies-using/outbrain/)[Nativo](https://enrich.chat/companies-using/nativo/)[Conversant (ValueClick)](https://enrich.chat/companies-using/conversant/)[Nielsen NetRatings](https://enrich.chat/companies-using/nielsen-netratings/) ## How do you reach the people who run PubMatic? The tool tells you what a company already runs; the people to talk to are usually advertising and paid media leaders. Pick an account from the table, then ask your AI agent for them. ```text Use www.enrich.chat to find the advertising and paid media leaders at [company], with titles and verified work emails ``` Check any other company with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/), or find a company's [email format](https://enrich.chat/tools/email-format-finder/). ## Frequently asked questions ### What companies use PubMatic? Organizations where PubMatic was detected include La Poste Groupe, Thermo Fisher Scientific, The AA, Kohl's and Cleveland Clinic. The page lists a selection of larger ones with links to their profiles. ### Which industries use PubMatic most? PubMatic shows up most often in publishing, media production and information technology and services. ### How is PubMatic usage detected? From public signals: code and tags on a company's website, the HTTP headers its servers send, and DNS records. A detected tool shows it was seen, not what the company pays for it. ### Who should I contact at a company that uses PubMatic? Usually advertising and paid media leaders. Ask your AI agent to use www.enrich.chat to find people in those roles at the account, with verified work emails. ## Try this prompt Find the people who run PubMatic ```text Use www.enrich.chat to find the advertising and paid media leaders at [company], with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Companies using Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/) - [Companies using DoubleClick](https://enrich.chat/companies-using/doubleclick/) - [Companies using Adobe Media Optimizer](https://enrich.chat/companies-using/adobe-media-optimizer/) - [Companies using DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/) - [Companies using Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/) - [Companies using LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/) - [Companies using Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/) - [Companies using DoubleClick Floodlight](https://enrich.chat/companies-using/doubleclick-floodlight/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)