www.spectrumcontrol.com
www.leunig.de
www.servertech.com
www.baytech.net
www.aphel.co.uk
www.infratec.de
www.avocent.com/power
www.raritan.com/power
www.rittal.de
www.knuerr.com
www.dataprobe.com
www.apc.com
www.tripplite.com
www.liebert.com
DMTF Homepage:
www.dmtf.org
IPMI Standard:
www.intel.com/design/servers/ipmi/ index.htm