Law enforcement (both agencies and law enforcement personnel collectively separately from any agency) absolute do lobby legislators directly, and the public, for themselves.
It really depends on the kind of business, because one could also argue that surveillance is an additional cost to companies that are forced to help with it by intercepting their customers. Unless those same companies get paid by the government to do so, I'm not a USA citizen so I don't know exactly the situation there.
Law enforcement (both agencies and law enforcement personnel collectively separately from any agency) absolute do lobby legislators directly, and the public, for themselves.