Industrial Terrain Suppliers
Wargames Tournaments Industrial Terrain: Graven Games review. Industrial Terrain Mega Set, many other options. Nice thing about this set is they can be semi-assembled and then be assembled as needed.
Multiverse Gaming Industrial Terrain: Newport Chemical Plant, Storage Tanks, Silo Frame. Other items: Scaffoding
Possible Terrain for Industrial Table
Systema Gaming Base 0 Bundle: Graven Games review. Has a matching mat that is interesting.
I will add others as I find them