SNA vs DGX Comparison

Snap-on is a manufacturer of premium tools, equipment, and diagnostics for professional technicians, primarily involved in the repair of passenger cars but having expanded into other industrial applications. The company's legacy business is selling hand tools through franchisee-operated mobile vans to technicians who purchase the tools at their own expense. The company also operates a commercial and industrial business that is focused on repair facilities serving other industries. The third segment, repair systems and information, targets auto OEMs and large dealerships more directly and also offers substantial diagnostic solutions to aid repairs. The company's finance arm provides financing to franchisees to run their operations, as well as underwriting end customer purchases.

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.