It's not being done without the President knowing. He needs to step up.
Besides turning in the swimming pool company, let his honest competition know they can turn him in also. They probably can also turn him in to the state's contractor license board. Before turning them in, you might call and warn them what is about to happen and you will give them 30 days to solve the problem.
According to the swimming pool companies brother-in-law, who is my neighbor, the guy has had illegals working for him for 14 years now.
No chances for him. He's gotten away with it for far too long.