Yes.
⟱
Web Components are in use by:
Amazon
Apple
GitHub
Google
Microsoft
Adobe
Alaska Airlines
American Airlines
BBVA
Begin
Blizzard
BYU
Clever Cloud
Cloud Four
Comcast
EA
Eleventy
ESRI
Ford Motors
GE
Genesis Global
GitLab
General Motors
GuideCom
IBM
Infragistics
ING
The Internet Archive
Ionic
Joomla!
Just Eat Takeaway
NASA
Netlify
Penn State
Reddit
Red Hat
Salesforce
SAP
Scania
SpaceX
Stripe
Ubisoft
Vaadin
Visa
Volkswagen
Wordle