CCI vs NDAQ Comparison

Crown Castle International 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. The company's fiber is primarily leased by wireless service providers to set up small-cell network infrastructure and by enterprises for their internal connection needs. Crown Castle's towers and fiber are predominantly located in the largest us cities. The company has a very concentrated customer base, with about 75% of its revenue coming from the big three us mobile carriers. Crown Castle operates as a real estate investment trust.

Founded in 1971, Nasdaq is primarily known for its equity exchange, but in addition to its market-services business (about 35% of sales), the company sells and distributes market data as well as offers Nasdaq-branded indexes to asset managers and investors through its information-services segment (30%). Nasdaq's corporate-services business (20%) offers listing services and related investor relations products to publicly traded companies and through the company's market technology group (15%), Nasdaq facilitates the exchange operations of other exchanges throughout the world and provides financial compliance services.