CCI vs AME Comparison

Crown Castle owns and leases roughly 40,000 cell towers in the United States. It also owns more than 90,000 route miles of fiber. It leases space on its towers to wireless service providers, which install equipment on the towers to support their wireless networks. Crown Castle's towers and fiber are predominantly in the largest US cities. The company has a very concentrated customer base, with about 75% of its revenue from the Big Three US mobile carriers. Crown Castle operates as a real estate investment trust. It has announced plans to divest its fiber business, which should be finalized in 2026. After that, Crown will be a stand-alone tower operator.

Founded in 1930 and transformed over the decades through the acquisition of dozens of esteemed brands, Ametek owns a collection of over 40 autonomous industrial businesses operating within the research, aerospace, energy, medical, and manufacturing industries. Ametek segments its business into two operating groups: the electronic instruments group and the electromechanical group. The EIG sells a broad portfolio of analytical, test, and measurement instruments, while the EMG sells highly engineered components, interconnects, and specialty metals. The company emphasizes product differentiation and market leadership in the niche markets where it operates.