Aluminum - Kevin Chow
Cattle - Exar224
Fish - Silver Empress
Iron -
Lumber -
Marble -
Pigs -
Spices - Chapkatsu
Sugar - Silver Empress
Uranium - Exar224
Water - Kevin Chow
Wheat - Chapkatsu
I know several people have relatively full trade sets, so once this is filled, I'll probably have it wait a few days, so their to-be-former-trading partners have some amount of heads-up.
Edit: An additional slot has opened in this circle.