ORLY vs COR Comparison

Founded in 1957, O'Reilly Auto Parts is one of the largest specialty retailers of automotive aftermarket parts, tools, supplies, equipment, and accessories, serving both DIY and professional customers. The company operates nearly 6,600 stores across 48 US states, Puerto Rico, Mexico, and Canada. In fiscal 2025, O'Reilly generated nearly $18 billion in sales, with its dual market strategy yielding a balanced revenue mix, split between retail DIY customers (49%) and professional service orders (49%). The balance of its sales is derived from noncore categories, including wholesale distribution to independent parts distributors, heavy-shop equipment sales, and value-added services.

Cencora is one of three leading domestic pharmaceutical wholesalers. It sources and distributes branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospital networks, and healthcare providers. It and McKesson and Cardinal Health hold over 90% share of the US pharmaceutical wholesale industry. Cencora also provides commercialization services for manufacturers of pharmaceuticals and medical devices, global specialty drug logistics (World Courier), and animal health product distribution (MWI Animal Health). Cencora expanded its international presence in 2021 by purchasing Alliance Healthcare, one of the leading drug wholesalers in Europe.