You want industrial?
http://www.99rooms.com/
Power stations are good for interior industrial settings:
http://sydneyarchitecture.com/LEI/LEI10.htm - An old power station in Sydney
http://www.fotosearch.com/bigcomp.asp?p ... p32675.jpg - The alternators of a hydroelectric station.
http://202.186.86.56/photos/showpix.asp ... 0§ion= - Similar alternator bay under construction
http://www.urbanadventure.org/main/buil ... ermain.htm - Derelict coal fired station
http://www.fotosearch.com/bigcomp.asp?p ... p25474.jpg - Top of submerged nuclear reactors
Finally, check these fermentation bioreactors:
http://www.lavallab.com/fermenter-bioreactor.htm