MCK vs ORLY Comparison

McKesson Corp is one of three leading pharmaceutical wholesalers in the US engaged in sourcing and distributing branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospitals networks, and healthcare providers. Along with Cencora and Cardinal Health, the three account for over 90% of the US pharmaceutical wholesale industry. Outside the US market, McKesson engages in pharmaceutical wholesale and distribution in Canada. Additionally, the company supplies medical-surgical products and equipment to healthcare facilities and provides a variety of technology solutions for pharmacies.

O'Reilly is an aftermarket automotive parts retailer in the United States and Mexico with more than $16 billion in annual sales. The company operates over 6,000 domestic stores and serves both the do-it-yourself (about 50% of sales) and professional (47% of sales) end markets. O'Reilly differentiates itself by providing quality service to its customers throughout the entirety of the vehicle diagnosis and purchasing process. Furthermore, the firm boasts an impressive hub-and-spoke distribution network designed to provide its localized store base with ample aftermarket part availability across a variety of vehicle makes and models.