ORLY vs AMT Comparison

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.

American Tower owns and operates about 150,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market generated by the top few mobile carriers. The company operates more than 40,000 towers in the US, which accounted for about half of total revenue in 2024. Outside the US, American Tower operates about 47,000 towers in Latin America (dominated by Brazil), 32,000 towers in Europe, and 27,000 towers in Africa. American Tower operates as a REIT.