diono® Email Format
ManufacturingWashington, United States11-50 Employees
Diono is a mid-sized manufacturing company based in Sumner, Washington, founded in 1999. It designs and manufactures child restraint systems and related travel products, including the Radian all-in-one convertible seat, the Monterey expandable booster, and the Connect3 booster that fits three across. Today, over a million children travel safely in a Diono car seat every day. In March 2025, the company announced new ownership and appointed founder Brad Keller as President. It operates in the child restraint systems and travel-product market and has earned industry recognition, including the 2024 JPMA Innovation Award for the Connect3 RXT 2-in-1 High-Back Booster.