> 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/company/transunion/ # TransUnion A information technology and services organization with 10,000 to 25,000 employees. Where it sits among its peers, the technology it runs and how to reach its people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** TransUnion (transunion.com) is an information technology and services organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft Outlook, Salesforce, Atlassian Cloud and Oracle Eloqua. ## How big is TransUnion? TransUnion has 10,000 to 25,000 employees. Among the software and technology services companies on this site it sits in the larger half. Each dot in the figure is one of its peers, placed by size; the orange dot is TransUnion. **Figure: Where TransUnion sits among software and technology services companies.** A strip of dots, one for each of 120 peers in information technology and services, spread from 2,000 to 2,000,000 employees on a log scale. TransUnion is highlighted and falls in the 10,000 to 25,000 employees range in the larger half. *Peers in information technology and services placed by employee count on a log scale. Sizes are rounded ranges from public profiles.* Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure. ## Where is TransUnion headquartered? TransUnion is headquartered in Chicago, Illinois. [More software and technology services companies in Illinois](https://enrich.chat/companies-in/illinois/information-technology-and-services/)[Companies in Illinois](https://enrich.chat/companies-in/illinois/) ## What industry is TransUnion in? TransUnion works in [information technology and services](https://enrich.chat/industries/information-technology-and-services/). This group covers software developers, IT consultancies, managed service providers and other firms that build, run and support technology systems. Closest matches on this site: [LTI - Larsen & Toubro Infotech](https://enrich.chat/company/lti-larsen-and-toubro-infotech/), [CDW](https://enrich.chat/company/cdw/), [Sage](https://enrich.chat/company/sage/), [Change Healthcare](https://enrich.chat/company/change-healthcare/), [Juniper Networks](https://enrich.chat/company/juniper-networks/) and [eClerx](https://enrich.chat/company/eclerx/). ## What technology does TransUnion use? We detect 13 tools on TransUnion's public footprint across 9 categories, for example Salesforce for marketing automation and crm, Acquia Cloud for cloud and hosting and Statuspage for data and observability. The figure counts the tools in each category; the groups below name them and link to the companies that use each one. **Figure: Tools detected at TransUnion, by category.** A bar chart of how many tools were detected at TransUnion in each category: Marketing automation and CRM 3, CDN and security 3, Cloud and hosting 1, Data and observability 1, Developer and DevOps tools 1, Email and productivity 1, Advertising and retargeting 1. *Tools detected on the public footprint of TransUnion, by category.* ### Marketing automation and CRM [Salesforce](https://enrich.chat/companies-using/salesforce/)[Oracle Eloqua](https://enrich.chat/companies-using/eloqua/)[Demandbase](https://enrich.chat/companies-using/demandbase/) ### Cloud and hosting [Acquia Cloud](https://enrich.chat/companies-using/acquia-cloud/) ### Data and observability [Statuspage](https://enrich.chat/companies-using/statuspage-io/) ### Developer and DevOps tools [Atlassian Cloud](https://enrich.chat/companies-using/atlassian/) ### Email and productivity [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/) ### CDN and security [Cloudflare](https://enrich.chat/companies-using/cloudflare/)[Cloudflare CDN](https://enrich.chat/companies-using/cloudflare-cdn/)[CSC Corporate Domains](https://enrich.chat/companies-using/csc-corporate-domains/) ### Advertising and retargeting [The Trade Desk](https://enrich.chat/companies-using/the-trade-desk/) ### Frameworks and libraries [Vue.js](https://enrich.chat/companies-using/vue-js/) Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/). ## Which companies are most like TransUnion? These are the closest matches among the software and technology services companies on this site. Each is compared on the business tools it runs (a rarer tool says more than a common one), how close its size is and, when both are known, where it is based. The second column says why it matched and gives its size range. | Company | Why it matches | | --- | --- | | [LTI - Larsen & Toubro Infotech](https://enrich.chat/company/lti-larsen-and-toubro-infotech/) | Shares Oracle Eloqua, Demandbase and Atlassian Cloud; a larger company. 25,000 to 50,000 employees | | [CDW](https://enrich.chat/company/cdw/) | Shares Oracle Eloqua, Demandbase and Atlassian Cloud; same size range; also in Illinois. 10,000 to 25,000 employees | | [Sage](https://enrich.chat/company/sage/) | Shares Salesforce, Oracle Eloqua and Demandbase; same size range. 10,000 to 25,000 employees | | [Change Healthcare](https://enrich.chat/company/change-healthcare/) | Shares Salesforce, Oracle Eloqua and Statuspage; same size range. 10,000 to 25,000 employees | | [Juniper Networks](https://enrich.chat/company/juniper-networks/) | Shares Salesforce, Oracle Eloqua and Demandbase; same size range. 10,000 to 25,000 employees | | [eClerx](https://enrich.chat/company/eclerx/) | Shares Salesforce and Oracle Eloqua; same size range. 10,000 to 25,000 employees | | [Autodesk](https://enrich.chat/company/autodesk/) | Shares Salesforce, Demandbase and Statuspage; same size range. 10,000 to 25,000 employees | | [Iron Mountain](https://enrich.chat/company/iron-mountain/) | Shares Salesforce, Oracle Eloqua and Demandbase; a larger company. 25,000 to 50,000 employees | To build a longer list of accounts like TransUnion, with the people who run their software, ask your AI agent: ```text Use www.enrich.chat to find software and technology services companies that run Oracle Eloqua and Salesforce, like TransUnion, and the CTOs, CIOs and heads of engineering at each, with titles and verified work emails ``` ## How do I find the right people at TransUnion? Start from the website, transunion.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as CTOs, CIOs and heads of engineering. ```text Use www.enrich.chat to find the CTOs, CIOs and heads of engineering at transunion.com, with titles and verified work emails ``` Staff addresses follow a known pattern: see the [TransUnion email format](https://enrich.chat/email-format/transunion/). ## Which other companies use the same tools? See who else runs the tools TransUnion uses: [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Salesforce](https://enrich.chat/companies-using/salesforce/)[Cloudflare](https://enrich.chat/companies-using/cloudflare/)[Atlassian Cloud](https://enrich.chat/companies-using/atlassian/)[Vue.js](https://enrich.chat/companies-using/vue-js/)[The Trade Desk](https://enrich.chat/companies-using/the-trade-desk/) ## Which industry code is TransUnion filed under? Public profiles list TransUnion under [NAICS 561450](https://enrich.chat/naics/561450/), Credit Bureaus. Open the code to see the other companies filed under it, where they are based and how big they are. ## Frequently asked questions ### How many employees does TransUnion have? TransUnion is in the 10,000 to 25,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide. ### What industry is TransUnion in? TransUnion works in information technology and services. This group covers software developers, IT consultancies, managed service providers and other firms that build, run and support technology systems. ### What technology does TransUnion use? Tools detected on its public footprint include Microsoft Outlook, Salesforce, Atlassian Cloud and Oracle Eloqua, across 9 categories. A detected tool shows it was seen, not what TransUnion pays for it. ### Where is TransUnion headquartered? TransUnion is headquartered in Chicago, Illinois. ### What companies are similar to TransUnion? The closest matches on this site are LTI - Larsen & Toubro Infotech, CDW and Sage. They are compared on the business tools they run, their size and where they are based; the profile above lists the reasons. ### What is the website of TransUnion? TransUnion's website is transunion.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone. ## Try this prompt Find people at TransUnion ```text Use www.enrich.chat to find the CTOs, CIOs and heads of engineering at transunion.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [LTI - Larsen & Toubro Infotech](https://enrich.chat/company/lti-larsen-and-toubro-infotech/) - [CDW](https://enrich.chat/company/cdw/) - [Sage](https://enrich.chat/company/sage/) - [Change Healthcare](https://enrich.chat/company/change-healthcare/) - [Juniper Networks](https://enrich.chat/company/juniper-networks/) - [eClerx](https://enrich.chat/company/eclerx/) - [Autodesk](https://enrich.chat/company/autodesk/) - [Iron Mountain](https://enrich.chat/company/iron-mountain/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)