Sumitomo Machinery Corporation of America acquires Riverside Spline & Gear

Sumitomo Machinery Corporation of America (SMA) acquired Riverside Spline & Gear Inc., a Michigan-based gear manufacturer, to strengthen its North American supply chain and expand U.S. manufacturing capacity. Terms were not disclosed.

“We’re excited to announce the acquisition of Riverside Spline & Gear, a move that strengthens SMA’s long-term growth strategy and reinforces our commitment to exceptional customer support.”powertransmission.com

• 1 source
• powertransmission.comSumitomo Machinery Corporation of America Strengthens North American Supply Chain with Acquisition of Riverside Spline & GearJan 20, 2026

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