ISRG vs T Comparison

Intuitive Surgical develops, produces, and markets a robotic system for assisting minimally invasive surgery. It also provides the instrumentation, disposable accessories, and warranty services for the system. The company has placed more than 8,600 da Vinci systems in hospitals worldwide, with more than 5,000 installations in the US and a growing number in emerging markets.

The wireless business contributes about two thirds 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 16% 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 22 million customers, but this business only accounts for 3% of revenue. The firm still holds a 70% equity stake in satellite television provider DirecTV but does not consolidate this business in its financial statements.