Igalia, http://www.igalia.com/ -- 40+ people, 11 or 12 years old (I forget!).
A few articles I wrote on working at Igalia last year:
http://wingolog.org/archives/2013/06/05/no-master
http://wingolog.org/archives/2013/06/13/but-that-would-be-an...
A few articles I wrote on working at Igalia last year:
http://wingolog.org/archives/2013/06/05/no-master
http://wingolog.org/archives/2013/06/13/but-that-would-be-an...
Igalia is a great company, really wonderful people and they do fantastic work. I really love the model they've created for the company.