Find prospects like Transunion
Get a list of similar companies, matched by industry, size and location, ready for outreach.
Free sample of 25 companies by email within one business day. No spam: we only use your email for this request.
Products & Services
About Transunion
Transunion is listed as a company based in Chicago, Illinois, United States and employing 16,000 people.
Transunion is one of 1,843,395 companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 9852000
- Website
- http://www.transunion.com
- Address
- 555 West Adams Street, Chicago, Illinois, 60661, United States
Company Details
- Employees
- 16,000
Transunion: frequently asked questions
What does Transunion do?
Transunion is listed as a company based in Chicago, Illinois, United States and employing 16,000 people.
Where is Transunion located?
Transunion is located at 555 West Adams Street, Chicago, Illinois, 60661, United States.
How many employees does Transunion have?
Transunion has about 16,000 employees.
How can I contact Transunion?
Its website is www.transunion.com and its phone number is +1 (312) 9852000.
Largest companies in Illinois
Largest companies on Factur
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
Own this business?
Keep your profile accurate — or ask us to take it down. We acknowledge requests within 7 days and resolve them within 30 days.
Prefer email? privacy@facturmfg.com
Add this badge to your website — show visitors you're listed on Factur Data.