Lewiston Pre-Mix Concrete, Inc. Share: Contractors & Construction SuppliesBusiness Services Lewiston Pre-Mix Concrete, Inc. Visit Website 1402 Snake River Avenue Lewiston, ID 83501 (208) 743-3333 (208) 743-1083 (fax) About About The only central-mix plant in the area. Family owned and serving the Valley since 1945. Portable plant available.