Companies Using Circle
80,161 companies found · 56,112 with decision maker contacts
Discover 80,161 companies using Circle in their tech stack. See which businesses rely on Circle, explore their full technology stack, and connect with decision makers at each company.
International Brotherhood of Electrical Workers (IBEW)
ibew.org
Tata Consultancy Services
tcs.com
linkedin.com
Australian Government
australia.gov.au
Amazon SES
Microsoft Office 365
google.com
Microsoft
microsoft.com
Outlook
Microsoft Office 365
SAIC Motor
saicmotor.com
Anthem
anthem.com
Barclaycard
barclaycard.com
Akamai DNS
Microsoft Office 365
NSOne
Frontbridge
The Trade Desk
+21 more
Internal Revenue Service
irs.gov
Flynn Restaurant Group
flynnrestaurantgroup.com
+14 more
Bertelsmann SE & Co. KGaA
bertelsmann.com
Mimecast
MailJet
ServiceNow
+11 more
SoftBank
softbank.jp
+49 more
Leonardo
leonardocompany.com
Outlook
Swissport
swissport.com
+31 more
Circle K
circlek.com
Nordstrom
nordstrom.com
+15 more
Freudenberg Group
freudenberg.com
Aetna, a CVS Health Company
aetna.com
Henkel
henkel.com
+40 more
Frequently Asked Questions
How many companies use Circle?
StackWho currently tracks 80,161 companies that use Circle in their tech stack. This includes companies of all sizes across multiple industries.
Can I get contact info for Circle users?
Yes. StackWho Pro subscribers can view and export decision maker contacts -- including names, titles, and verified emails -- for companies using Circle.
How is the Circle tech stack data collected?
We use a combination of web scanning, public data analysis, and machine learning to identify technologies used by companies. Our data is refreshed regularly to maintain accuracy.