Any other production facility? I beg to differ. Some have been targets before.
http://www.semp.us/publications/biot_reader.php?BiotID=560
Scroll down to:
V. Four Recent Terrorism Incidents Involving to the Trans-Alaska Pipeline System
The Daniel Lewis event wasn't terrorism, just a drunken fool. But examples on other facilities exist as well.
I stand corrected.
2 cases of eco-terrois, one drunk and a reveling posting on a terrorist website.
It counts.