AOS vs MKSI Comparison

A.O. Smith manufactures a broad lineup of water heaters, boilers, and water treatment products. The company has two reporting segments: North America (75% of sales) and rest of world (25% of sales). A.O. Smith is the leading 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 most of North American sales and are distributed equally through wholesale and retail channels. Most 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.

MKS Inc formerly, MKS Instruments Inc is engaged in providing instruments, subsystems, and process control systems used to measure, monitor, deliver, and control parameters of manufacturing processes. The company's product portfolio includes instruments, components, and systems required in manufacturing products such as flat panel displays, medical devices, and electronic materials, among others, used in industrial technologies, semiconductors, life and health sciences, and research and defense markets. The company organizes itself into three reportable business segments: Vacuum Solutions, Photonics Solutions, and Materials Solutions. The Vacuum Solutions segment contributes the majority of the company's revenue.