WMS vs JHX 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.

James Hardie is a manufacturer of fiber cement-based building products, selling primarily to the residential construction industry. North America is the primary geography, generating about 80% of group earnings. Here, it is the largest manufacturer of fiber cement, which is mainly used for exterior siding on houses. Following the Azek acquisition in 2025, it also produces wooden composite decking materials, siding trims, and accessories for outdoor areas including stair and deck railing. Businesses in Australia, New Zealand, and Europe, make up the rest of earnings.