"war industry" is still very charitable! If you have any standards that distinguish a war from indiscriminate killing, they probably violate those standards in a large proportion of their business.
As the other commenter correctly guesses, you only have to open the news to find examples. Iran, Palestine, Iraq (way back when). Most "wars" are not really wars these days, they're just exercises in western aggression.
In that case - why do you think it's "in a large proportion of their business"?