> 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/facebook-custom-audiences/ # Companies using Facebook Custom Audiences Facebook Custom Audiences lets advertisers target ads at existing customers and website visitors using their own data. 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 Facebook Custom Audiences include Walmart, Amazon, Accenture, Tata Consultancy Services and Starbucks. Facebook Custom Audiences 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 Facebook Custom Audiences? Facebook Custom Audiences lets advertisers target ads at existing customers and website visitors using their own data. It sits in the advertising and retargeting category and is usually owned by advertising and paid media leaders. ## Which companies use Facebook Custom Audiences? Organizations where Facebook Custom Audiences was detected include Walmart, Amazon, Accenture, Tata Consultancy Services and Starbucks. The table lists a selection of larger ones in alphabetical order; names link to company profiles. | Company | Industry | Size | | --- | --- | --- | | [Accenture](https://enrich.chat/company/accenture/) | Management consulting | 100,000+ | | [Albertsons](https://enrich.chat/company/albertsons/) | Retail | 100,000+ | | [Amazon](https://enrich.chat/company/amazon/) | Information technology and services | 100,000+ | | [Aramark](https://enrich.chat/company/aramark/) | Hospitality | 100,000+ | | [Aramark Uniform Services](https://enrich.chat/company/aramark-uniform-services/) | Facilities services | 100,000+ | | [Cognizant](https://enrich.chat/company/cognizant/) | Information technology and services | 100,000+ | | [CVS Health](https://enrich.chat/company/cvs-health/) | Hospitals and health care | 100,000+ | | [Dunkin'​](https://enrich.chat/company/dunkin/) | Food and beverages | 100,000+ | | [Empower](https://enrich.chat/company/empower/) | Financial services | 100,000+ | | [Google](https://enrich.chat/company/google/) | Information technology and services | 100,000+ | | [Halifax](https://enrich.chat/company/halifax/) | Banking | 100,000+ | | [Infosys](https://enrich.chat/company/infosys/) | Information technology and services | 100,000+ | | [J.P. Morgan](https://enrich.chat/company/j-p-morgan/) | Financial services | 100,000+ | | [Jewel-Osco](https://enrich.chat/company/jewel-osco/) | Retail | 100,000+ | | [Mahindra Group](https://enrich.chat/company/mahindra-group/) | Executive office | 100,000+ | | [McDonald's](https://enrich.chat/company/mcdonalds/) | Restaurants | 100,000+ | | [Microsoft](https://enrich.chat/company/microsoft/) | Information technology and services | 100,000+ | | [PwC](https://enrich.chat/company/pwc/) | Professional training and coaching | 100,000+ | | [Safeway](https://enrich.chat/company/safeway/) | Retail | 100,000+ | | [Samsung Electronics](https://enrich.chat/company/samsung-electronics/) | Electrical and electronic manufacturing | 100,000+ | | [Siemens](https://enrich.chat/company/siemens/) | Machinery | 100,000+ | | [Starbucks](https://enrich.chat/company/starbucks/) | Retail | 100,000+ | | [Stellantis](https://enrich.chat/company/stellantis/) | Automotive | 100,000+ | | [Sumitomo Electric](https://enrich.chat/company/sumitomo-electric/) | Electrical and electronic manufacturing | 100,000+ | | [Tata Consultancy Services](https://enrich.chat/company/tata-consultancy-services/) | Information technology and services | 100,000+ | | [UnitedHealth Group](https://enrich.chat/company/unitedhealth-group/) | Hospitals and health care | 100,000+ | | [University of California](https://enrich.chat/company/university-of-california/) | Higher education | 100,000+ | | [Walgreens](https://enrich.chat/company/walgreens/) | Health, wellness and fitness | 100,000+ | | [Walmart](https://enrich.chat/company/walmart/) | Retail | 100,000+ | | [Wipro](https://enrich.chat/company/wipro/) | Information technology and services | 100,000+ | ## Which industries use Facebook Custom Audiences most? The bars show, for each industry, the share of listed organizations where Facebook Custom Audiences was detected. **Figure: Where Facebook Custom Audiences shows up most often.** Bars for the share of organizations in each of 8 industries where Facebook Custom Audiences was detected, from Higher education at 74% down to Real estate at 62%. *Share of listed organizations in each industry where Facebook Custom Audiences was detected.* ## Do larger companies use Facebook Custom Audiences more? For each size range, the column shows the share of listed organizations where Facebook Custom Audiences was detected. **Figure: Facebook Custom Audiences by company size.** Six columns, one per size range from 2,000 to over 100,000 employees, showing the share of organizations where Facebook Custom Audiences was detected: 2-5K 46%, 5-10K 52%, 10-25K 50%, 25-50K 53%, 50-100K 55%, 100K+ 53%. *Share of listed organizations in each size range where Facebook Custom Audiences was detected.* ## What tools go with Facebook Custom Audiences? Among the organizations that use Facebook Custom Audiences, these tools stand out: each is detected more often alongside Facebook Custom Audiences than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among Facebook Custom Audiences users.** Bars for the share of Facebook Custom Audiences users that also use each tool, with a tick for the share across all listed organizations: Facebook Login 98% against 52%, Google Ads Conversion Tracking 50% against 27%, DoubleClick Floodlight 41% against 22%, Bing Ads (Microsoft Advertising) 39% against 20%, X Ads (Twitter Advertising) 27% against 14%, AppNexus (Xandr) 18% against 9%, Yahoo Analytics 10% against 5%, Criteo 10% against 5%. *Share of organizations using Facebook Custom Audiences where each tool was also detected. The tick marks the share across all listed organizations.* [Facebook Login](https://enrich.chat/companies-using/facebook-login/)[Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/)[DoubleClick Floodlight](https://enrich.chat/companies-using/doubleclick-floodlight/)[Bing Ads (Microsoft Advertising)](https://enrich.chat/companies-using/bing-ads/)[X Ads (Twitter Advertising)](https://enrich.chat/companies-using/twitter-advertising/)[AppNexus (Xandr)](https://enrich.chat/companies-using/appnexus/)[Yahoo Analytics](https://enrich.chat/companies-using/yahoo-analytics/)[Criteo](https://enrich.chat/companies-using/criteo/) ## Facebook Custom Audiences by industry Open an industry to see the organizations in it that use Facebook Custom Audiences. [Information technology and services](https://enrich.chat/companies-using/facebook-custom-audiences/information-technology-and-services/)[Retail](https://enrich.chat/companies-using/facebook-custom-audiences/retail/)[Higher education](https://enrich.chat/companies-using/facebook-custom-audiences/higher-education/)[Hospitals and health care](https://enrich.chat/companies-using/facebook-custom-audiences/hospitals-and-health-care/)[Financial services](https://enrich.chat/companies-using/facebook-custom-audiences/financial-services/)[Government administration](https://enrich.chat/companies-using/facebook-custom-audiences/government-administration/)[Banking](https://enrich.chat/companies-using/facebook-custom-audiences/banking/)[Insurance](https://enrich.chat/companies-using/facebook-custom-audiences/insurance/)[Telecommunications](https://enrich.chat/companies-using/facebook-custom-audiences/telecommunications/)[Automotive](https://enrich.chat/companies-using/facebook-custom-audiences/automotive/)[Machinery](https://enrich.chat/companies-using/facebook-custom-audiences/machinery/)[Real estate](https://enrich.chat/companies-using/facebook-custom-audiences/real-estate/)[Food and beverages](https://enrich.chat/companies-using/facebook-custom-audiences/food-and-beverages/)[Health, wellness and fitness](https://enrich.chat/companies-using/facebook-custom-audiences/health-wellness-and-fitness/)[Mechanical or industrial engineering](https://enrich.chat/companies-using/facebook-custom-audiences/mechanical-or-industrial-engineering/)[Nonprofit organization management](https://enrich.chat/companies-using/facebook-custom-audiences/nonprofit-organization-management/)[Restaurants](https://enrich.chat/companies-using/facebook-custom-audiences/restaurants/)[Hospitality](https://enrich.chat/companies-using/facebook-custom-audiences/hospitality/)[Utilities](https://enrich.chat/companies-using/facebook-custom-audiences/utilities/)[Electrical and electronic manufacturing](https://enrich.chat/companies-using/facebook-custom-audiences/electrical-and-electronic-manufacturing/)[Construction](https://enrich.chat/companies-using/facebook-custom-audiences/construction/)[Logistics and supply chain](https://enrich.chat/companies-using/facebook-custom-audiences/logistics-and-supply-chain/)[Transportation, trucking and railroad](https://enrich.chat/companies-using/facebook-custom-audiences/transportation-trucking-and-railroad/)[Airlines and aviation](https://enrich.chat/companies-using/facebook-custom-audiences/airlines-and-aviation/) ## How do you reach the people who run Facebook Custom Audiences? 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 Facebook Custom Audiences? Organizations where Facebook Custom Audiences was detected include Walmart, Amazon, Accenture, Tata Consultancy Services and Starbucks. The page lists a selection of larger ones with links to their profiles. ### Which industries use Facebook Custom Audiences most? Facebook Custom Audiences shows up most often in higher education, individual and family services and computer and network security. ### How is Facebook Custom Audiences 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 Facebook Custom Audiences? 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 Facebook Custom Audiences ```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 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/) - [Companies using Bing Ads (Microsoft Advertising)](https://enrich.chat/companies-using/bing-ads/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)