It's other recruiters fishing for the names of companies that are hiring. And with that information they will call the company and try to get in on the game. T

It's other recruiters fishing for the names of companies that are hiring. And with that information they will call the company and try to get in on the game. The questions are usually along the lines of, "I'd hate to be putting you forward to a company you're already communicating with, can you name them all for me please?". Although perhaps a little less blatant.