- Serversaurus
- SiteHost
- SoftLayer
+- Star Lab
- Steadfast.net
- SSDNodes.com
- SuSE
- Wavecon GmbH
- Xen Made Easy
- Xen Security Response Team
+- XCP-ng.org
- Vollmar.net GmbH
- Zynga
- Zynstra
--------------
<div class="box-note">
+- **v3.21 Nov 19th 2018:** Added XCP-ng.org
+- **v3.20 June 14th 2018:** Added Star Lab
- **v3.19 May 9th 2018:** Remove Google and Xen 3.4 stable tree maintainer
from the predisclosure list
- **v3.18 April 27th 2018:** Added reference to SUPPORT.md