MCK vs AMT 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.

American Tower owns and operates more than 220,000 cell towers throughout the us, Asia, Latin America, Europe, and Africa. It also owns and/or operates 28 data centers in 10 us markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market being generated by just the top few mobile carriers. The company operates more than 40,000 towers in the us, which accounted for almost half of the company's total revenue in 2023. Outside the us, American Tower operates over 75,000 towers in India, almost 50,000 towers in Latin America (dominated by Brazil), 30,000 towers in Europe, and nearly 25,000 towers in Africa. American Tower operates as an REIT.