T vs PFE Comparison

The wireless business contributes nearly 70% of AT&T's revenue. The firm is the third-largest US wireless carrier, connecting 72 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 15% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential fixed-line services, about 11% of revenue, primarily consist of broadband internet access, serving 14 million customers. AT&T also has a sizable presence in Mexico, with 23 million customers, but this business only accounts for 4% of revenue. The firm recently agreed to sell its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.

Pfizer is one of the world's largest pharmaceutical firms, with annual sales close to $50 billion (excluding covid-19-related product sales). While it historically sold many types of healthcare products and chemicals, now prescription drugs and vaccines account for the majority of sales. Top sellers include pneumococcal vaccine Prevnar 13, cancer drug Ibrance, and cardiovascular treatment Eliquis. Pfizer sells these products globally, with international sales representing close to 50% of total sales. Within international sales, emerging markets are a major contributor.