The Civilised Jewellers are nice for spreading to the AI. Little to no gain, but money in the pocket.
The all can have their use, but ethanol is the weakest. Very nice if you don't have oil, but I have never been in an SP game where I wasn't able to get some oil, and MP games are usually decided long before oil becomes important.
The Aluminium can be used, as aluminium is used by another corp, creative constructions, and can boost it tremendously, expensive though.