Advanced Drainage Systems Acquires National Diversified Sales from Norma Group
September 23, 2025
Advanced Drainage Systems (NYSE: WMS) has entered into a definitive stock purchase agreement to acquire National Diversified Sales (NDS), a water management business of Norma Group SE, in an all-cash transaction valued at approximately $1.0 billion. The deal is expected to close in the first quarter of 2026 and will expand ADS’ product portfolio and go-to-market reach in retail and distributor channels, including residential irrigation and related solutions.
- Buyers
- Advanced Drainage Systems, Inc.
- Targets
- National Diversified Sales (NDS)
- Sellers
- Norma Group SE
- Industry
- Manufacturing
- Location
- Ohio, United States
- Transaction Type
- Buyout
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