Yes.
⟱
Web Components are in use by:
Amazon
Apple
GitHub
Google
Microsoft
Adobe
Alaska Airlines
BBVA
Blizzard
BYU
Comcast
EA
ESRI
Ford Motors
GE
GitLab
General Motors
GuideCom
IBM
Infragistics
ING
The Internet Archive
Ionic
Joomla!
NASA
Netlify
Nintendo
Penn State
Reddit
RedHat
Salesforce
SAP
SpaceX
Ubisoft
Vaadin
Visa
Volkswagen
Wordle