VZ vs MRK Comparison

Wireless services account for about 70% of Verizon Communications' total service revenue and nearly all of its operating income. The firm serves about 93 million postpaid and 20 million prepaid phone customers via its nationwide network, making it the largest US wireless carrier. Fixed-line telecom operations include local networks in the Northeast, which reach about 30 million homes and businesses and serve about 8 million broadband customers. Verizon also provides telecom services nationwide to enterprise customers, often using a mixture of its own and other carriers' networks. Verizon agreed to acquire Frontier Communications in September 2024.

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform is growing as a major contributor to overall sales. The company also has a substantial vaccine business, with treatments to prevent pediatric diseases as well as human papillomavirus, or HPV. Additionally, Merck sells animal health-related drugs. From a geographical perspective, just under half of the company's sales are generated in the United States.