Red Rock Energy Heliostatshttp://www.redrok.com/main.htm
Ciralight's SunTracker™Daylighting Device. Ok, mot exactly a heliostat. It does turn in AZImuth, but is not tracked in ALTitude. It's a compromise as it reflects much of the light
High Powered Heliostat Array Concentrating Solar Collectors.
That's everything I could find.
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