LambdaGeneration
Dr. Isaac Kleiner

My colleague, Dr. Eli Vance, has just asked me to pass on his advice: *ahem* "Kill that sunnavabitch right now".

budget the frog
Black Mesa

No, don't worry bout it.

Black Mesa PR Department

Well then, looks like Aperture is about to see why you never trust the man in the black suit

Tehcooler

I also heard that

λlex

~ Cave Johnson before doing literally anything

8 Brick (Civil Protection)

well there is none that I know of