Most of those look like online retailers and not iaas or compute services companies.
No one builds services like amazon. They aren't interested in bolting on someone else's idea company.
Re:Amazon Elastic Transcoder
by tedunangst on Tuesday January 29, 2013 @03:11PM
(#5135964)
Plus defunct operations like cdnow.
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AbeBooks
AfterSchool.com
Audible
BeautyBar.com
Book Depository
Bookworm.com
Casa.com
CreateSpace
Diapers.com
DPReview
Fabric
IMDb
Junglee.com
MYHABIT
Shopbop
Soap.com
Vine.com
Wag.com
Woot
Yoyo.com
Zappos