We offer employers and companies around the world the pre-employment background checks software, services, employment background checks, screening service, and tools that they need to confidently and quickly welcome new employees to their team. Criminal records searches on a federal, state and county level. The largest drug test collection network in the country with over 9,000 locations. Candidate-friendly mobile solutions provide a quick, positive experience. Text or email invite to all services for a single candidate Mobile wallet pass available from LabCorp and Quest. MRO in-house provides doctor-reviewed test results via email, fax or web.