DGX vs ROKU Comparison

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.

Roku enables consumers to stream television programming. It has more than 90 million streaming households and provided 127 billion streaming hours in 2024. Roku is the top streaming operating system in the US, reaching more than half of broadband households, according to the company. Roku's OS is built into streaming devices and televisions that Roku sells and on connected televisions from other manufacturers that license Roku's name and software. Roku also operates the Roku Channel, a free, ad-supported streaming television platform that offers a mix of on-demand and live television programming. Roku generates revenue primarily from selling devices, licensing, and advertising, and it receives fees from subscription streaming platforms that sell subscriptions through Roku.