UHS vs AOS Comparison

Universal Health Services primarily offers healthcare services through its behavioral health centers, acute care hospitals, and related outpatient facilities. As of late 2025, the company operated 346 inpatient behavioral health centers, 29 acute care hospitals, and many supportive outpatient facilities. Its operations are concentrated in the US, particularly in Nevada (21% of 2025 operating profits), Texas (19%), and California (13%), although it does have some exposure to the UK behavioral health market (6% of 2025 sales) too. While its acute care services account for over 55% of revenue, the behavioral health centers sport higher margins and account for over 55% of pretax profits.

A.O. Smith Corp manufactures a broad lineup of water heaters, boilers, and water treatment products. The company has two reporting segments: North America (75% of sales) and the rest of the world (25% of sales). A.O. Smith is the manufacturer of water heaters in North America for the residential and commercial markets, with approximately 37% and 54% market share, respectively. Residential water heaters account for the majority of North American sales and are distributed equally through wholesale and retail channels. The majority of A.O. Smith's international revenue is from China, a market the company entered during the mid-1990s. However, the firm announced a strategic review of its China operations.