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.
EnderUNIX BSD Team
Turkish Volunteer Organization supporting FreeBSD open source software development.
Juniper Networks
Juniper's Internet backbone router products, designed for high-growth, high-capacity Internet backbone providers, use code from FreeBSD.
Nokia
Among other products, Nokia's IP400 and IP650 hardware firewall modules are based on FreeBSD.
Pair Networks
Uses the FreeBSD operating system exclusively for all of their web hosting services.
Team FreeBSD - the distributed.net challenge
The home page for distributed.net's Team FreeBSD. Member rankings, and progress graphs. Updated daily.
Yahoo!
Yahoo!'s webservers exclusively run FreeBSD. In addition, all the non-production servers and developer workstations run FreeBSD.