I'm a full-stack HTML/CSS, JavaScript, Ruby on Rails developer. Here's proof:
RRE Ventures
Vogue // Voguepedia
Gilt // Giltmanual
Diamond in the Rough
Beekman Lane Antiques
Resco Instruments
Passionist Spiritual Center
Dr. Pepper Snapple Group
WeConnect App
... this was just a small fraction of 2011 / 2012.
And of course:
We Are NY Tech
Simande
Hayride App