Don't know of anyone. Better to build a shade house here rather than a greenhouse. Don't know anyone to build that either.

I'll have to look into that. I've never heard of a shade house.

I'd say look into a hoop house. It's easy to change the "skin" to shade cloth in the summer and keep producing. here's a good resource: http://doorgarden.com/10/50-dollar-hoop-house-green-house