I see a lot of links very interesting in renderosity planet for make this theme Industrial version :

In sale section Market Place:
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=38793 excellent product,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=39052 industReal,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=22247 3D land industrial,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=41426 24 modern commercial
or light industrial workshop,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=51377 An interior set futurist industrial,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=44812 construction set,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=32512 industrial props,
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=31196 industrial signage,
and more..

There are a very good freestuff too in RDR...

And, some images in the gallery very interesting :
http://www.renderosity.com/mod/gallery/index.php?image_id=1319793 photo
http://www.renderosity.com/mod/gallery/index.php?image_id=1321415 photo
http://www.renderosity.com/mod/gallery/index.php?image_id=1320497 photo
http://www.renderosity.com/mod/gallery/index.php?image_id=1311535 fractal
http://www.renderosity.com/mod/gallery/index.php?image_id=1330323 photo
and more...