IRDM vs KMX Comparison

Iridium Communications Inc is the commercial provider of communications services offering true globalised coverage, connecting people, organizations, and assets to and from anywhere, in real time. The company is a provider of mobile voice and data communications services through a constellation of low-earth-orbiting satellites. Iridium's solutions are ideally suited for industries such as maritime, aviation, government/military, emergency/humanitarian services, mining, forestry, oil and gas, heavy equipment, transportation, and utilities. Iridium also provides service to subscribers from the U.S. Department of Defense, as well as other civil and government agencies world-wide. The Company operates in one business segment, providing satellite communications services and products.

CarMax sells, finances, and services used and new cars through a chain of over 250 used retail stores. It was formed in 1993 as a unit of Circuit City and spun off into an independent company in late 2002. Used-vehicle sales were 83% of fiscal 2025 revenue and wholesale about 17%, with the remaining portion composed of extended service plans and repair. In fiscal 2025, the company retailed and wholesaled 789,050 and 544,312 used vehicles, respectively. CarMax is the largest used-vehicle retailer in the US but still estimates that it had only about 3.7% US market share of vehicles 0-10 years old in calendar 2024. It seeks over 5% share. CarMax is based in Richmond, Virginia.