Yahoo!
- Yahoo!'s webservers exclusively run FreeBSD. In addition, all the non-production servers and developer workstations run FreeBSD.
- http://www.yahoo.com/
Pair Networks - Uses the FreeBSD operating system exclusively for all of their web hosting services. - http://www.pair.com
Chg-FREEnet - Regional FREEnet (For Research, Education, and Engineering network) in Scientific Center in Chernogolovka runs FreeBSD on the largest FTP-archive in Russia and all other production servers and developer workstations. - http://www.chg.ru
Juniper Networks - Juniper's Internet backbone router products, designed for high-growth, high-capacity Internet backbone providers, use code from FreeBSD. - http://www.juniper.net/