DGX vs GPN Comparison

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Global Payments is a leading provider of payment processing and software solutions and historically focused on serving small and midsize merchants. The Worldpay acquisition pushes the company into the large merchant space and expands the company's international operations. Following the Worldpay acquisition, the company will process almost $4 trilliion in payment volume.