[FormerLurker]

There's absolutely no reason to commit fraud in the way this data would indicate it, it's a stupid way to go about it, makes no sense, it'll get them caught, and there's no motive.

I already gave you motives. You apparently can't believe that "business" people ever break the law.

Unless you can provide a motive there's no reason to continue with this.

Visas for rent, sale, or illegal immigration into the US. Possibly terrorist activities. Is that clear enough?

[discostu]

No you have not provided the motive, not once. The best you've come up with was "it's fraud", fraud isn't a motive in its own right, it's a crime you commit for some reason.

OK so you're saying HUNDREDS of companies are funneling in terrorists? Companies? When any terrorist with half a brain can just wander in as a regular tourist with no help from any corporation? Try again. Something reasonable. Here's the basic problems:
1 - most of the H1B fraud I've read about revolves around UNDER reporting, to avoid the paperwork and have the deportation axe to hold over the workers head
2 - this is the exact opposite of that, obviously the reasons would have to be different, what are they
3 - there's no logical reason to over report by filing multiple identical applications, if you want to sneak 120 people into Tucson you do ONE application for 120 not FOUR for 30, so even if you find a valid reason for 2 (which you haven't) you've still got to figure why they would use this grossly obvious flag raising method
4 - then after all that you've still got to apply Okham's Razor, you need a solution that's simpler than "the database or it's query procedures suck" for your answer to be more likely than my answer