"See the worst-offending companies by name". Um, how? The only thing you can do is click the "Let's go" or "Get started" button, and they both lead to the same form which starts with "What is the first name of the ghoster?"
When there's a critical mass of users of the site and multiple messages being sent to folks at the same companies again and again, the plan is to put together a "naughty list" to display, by company not individual. Also a lot of folks are using it to just mess around, so there's a good bit of manual data cleaning necessary too!