WMS vs SEIC 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.

SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers. SEI also has a minority interest in LSV Asset Management, a value equity asset manager with about $99 billion in assets under management. As of December 2025, SEI (including LSV) manages, administers, or advises about $1.9 trillion in assets.