WMS vs AOS Comparison

Advanced Drainage Systems Inc is the manufacturer of water management solutions in the stormwater and onsite septic wastewater industries, providing superior drainage solutions for use in the construction and agriculture marketplaces. Its products are used across a broad range of end markets and applications, including residential, non-residential, infrastructure and agriculture applications. It operates business in three distinct reportable segments: Pipe; International, and Infiltrator. It generates a greater proportion of revenue from its Pipe segment, which consists of Pipe product sales in the United States. The Infiltrator is a provider of plastic leachfield chambers and systems, septic tanks and accessories, for use in residential applications.

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.