They are using distillation, a viable alternative if you happen to have some recoverable waste energy lying around. These guys raised $3.1 million for that? Wonders never cease. But water is a hot ticket, and we make the best small ozone generator on the planet.
Other articles:
http://www.abqjournal.com/biz/444019outlook03-23-06.htm
http://www.abqjournal.com/biz/outlook/444021outlook03-23-06.htm
http://www.abqjournal.com/biz/455039business04-29-06.htm
You've heard of these folks, no doubt. Don't know too much about it, but knew some of their employees back in the 90's.
Must have something or else military wouldn't have bought the systems.
http://www.miox.com
From your page: "Perhaps some day I will be lucky enough to find a thread devoted to ozonating water so I can show off a bit."
Well, here you go!