Most of them, if not all, were done by SotP colleague and friend Lord_Set of Dawn of the Reapers fame. Look it up and follow it on Moddb.
That is all the structures (not to scale yet). And here are them in separate boxes (not the SMAC cause it is already ingame).
Frigate Factory
Capital Ship Yard
Trade Port/ Station
Military Research Center
Civic Research Center
Now I know it is kind of a dick move to say it but I am a bit iffy about the trade port and research centers until they get textured. So what do you think?
Edit: Complaints removed about the Military research center after watching 'Birth of a Spartan' trailer again. But I think the Civic research center should be more distinct. Should be like a circle with the bio dome in the center of the circle. And the trade port need to look more distinct, it look like the rear part of the Anchor station right now.
Also, this is kind of what I envisioned the mines to look like: