I saw a german video like a week ago where some modders allready were experimenting with more industries, the mod was working allready in the beta. The industrie buildings were just duplicates from existing ones, but they managed to create some extra working industrie chains.
Can’t remember exactly what kinda industries. Thought 1 of them was plastic production out of oil. Plastic could be used to produce household products etc. I think the modding community will expand this game alot. I also trust the devs will give long support. We’ll have to wait and see.