== Inguza Technology AB ==
[http://inguza.com/ Inguza Technology AB] maintains the Debian GNU Linux version of OpenVZ.
== netVOICE communications ==
[http://www.netvoice.ca/ netVOICE communications] is an Internet Telephony Service Provider (ITSP) that uses OpenVZ as the basis for their [http://www.vpas.ca/ Virtual Private Asterisk Server (VPAS)] offering. They also offer consulting on running Asterisk (the leading Open Source telephony platform) on OpenVZ. netVOICE is a Digium Approved Reseller and has a Digium Certified Asterisk Professional [http://www.digium.com/en/training/certifications/ (dCAP)] on staff.
== Openwall ==