Does anyone have a comprehensive list of organic vintners?

I tried some Heller Estate wines a few weeks ago, and I have to say, I was very impressed. Not only are the wines organic, but they invite their wine club members to participate in the ladybug release (great for kids!) for pest control, and supposedly they have cultivated the vines so that very little watering is needed beyond the coastal fog. Would love to hear your thoughts on other wines made from organically-grown grapes.