Oh really? I'm sure the website http://www.crisis-solutions.com/ has absolutely nothing to do with drills & staging events:
Check out this video about their 'crisis cloud':
Crisis Cloud: interactive dynamic crisis simulation exercise media portal
And what about these guys: http://crisiscast.com/
There's a section about "Schools Resilience Training":
But hey – I'm positive that they don't provide crisis actors...
Two more for good measure:
http://www.magnumservices.com/
http://www.flashpointrbt.com/