Grinnell is a leading manufacturer of valves for industrial, commercial and construction markets.

Proudly Manufactured in the U.S.A Grinnell provides distinctive look of Interlocking Concrete Paving Stones, Retaining Wall Systems, Patio Stones, Curbs and Edgings that complement any residential, commercial or public landscape. With so many design options, our hardscape products offer virtually unlimited possibilities for just about any landscape design or application. We hope that the images and ideas you find on our website will inspire you with essential elements of style to make your property unique and inviting for years to come.