Quest Diagnostics, "The World’s Leading Provider of Diagnostic Testing", also does routine bloodwork for employment drug tests, doctor exams, etc.
What patient info exactly do they sell to their various 'business partners'? Might be another good candidate for a Class Action if we find out they are part of the evil scheme.
"We may provide your Private Health Information to other companies or individuals that need the information to provide services to us. These other entities, known as "business associates," are required to maintain the privacy and security of PHI"
https:// www.questdiagnostics.com/home/privacy-policy/notice-privacy-practices.html