Large sites that run on ASP.NET

ASP.NET powers websites that have millions of page views per day -

• Tesco 
• Dell
• Costco 
• National Health Service, UK
• HSN.com
• Match.com
• MySpace.com; details

Sites using ASP.NET MVC -

• StackOverflow.com; details
• Monster.com
• Dimecasts.net
• MarketWatch

work in progress..


Also see:
How LARGE websites manage performance & scalability