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Diamond Mattress is a family-owned mattress manufacturer in Rancho Dominguez, California. The current owners are the fourth generation of the Penningtons, who bought the Diamond Mattress Company in 1946.
Besides its upholstered hardwood foundations, Diamond Mattress offers adjustable beds for compatible mattress models. These adjustable foundations, made for Diamond Mattress by Ergomotion, are the Refuge Adjustable Lifestyle Base and the Activate Adjustable Lifestyle Base.
Before this, Diamond Mattress had carried two adjustable beds from Leggett & Platt, the Pro-Motion Lifestyle Adjustable Base and the S-Cape Lifestyle Adjustable Base.