Flow-Rite Controls

Plastics ManufacturingMichigan, United States51-200 Employees

Flow-Rite Controls is a mid-sized plastics manufacturer based in Byron Center, Michigan. The company designs, manufactures, and markets fluid control devices used in lead-acid battery systems, recreational fishing boats, and laboratory and medical settings. It emphasizes proprietary development protected by a broad patent portfolio and operates as a vertically integrated organization with in-house engineering, tooling, molding, warehousing, manufacturing, and sales and marketing capabilities. 
Its customers span battery manufacturers, boat builders, laboratories, and healthcare providers who rely on precise fluid management. In June 2026, Flow-Rite announced a collaboration with Trojan Battery Company to introduce the HydroLink Watering System, a product intended to simplify watering and extend battery life.

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