NPO vs AOS Comparison

Enpro Inc formerly EnPro Industries Inc is a United States-based company that designs, develops, manufactures, and markets proprietary engineered industrial products. The company operates through two segments: Sealing Technologies, which derives maximum revenue, manufactures and markets sealing products, wheel-end components & systems; and Advanced Surface Technologies, which manufactures wafer processing sub-systems, thin-film coatings, optical filters, and other services like cleaning, coating, testing, and refurbishment. Its geographical segments are the United States, Europe, and other foreign countries.

A.O. Smith manufactures a broad lineup of water heaters, boilers, and water treatment products. The company has two reporting segments: North America (80% of sales) and rest of world (20% of sales). A.O. Smith is the leading manufacturer of water heaters in North America for the residential and commercial markets, with approximately 36% and 52% 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 in the mid-1990s.