Keller Lumber Sales Inc. is one of the leading whole sale distribution companies for i-level and the silent floor system in the United States. Based in Redding, Calif., the company has completed projects, such as senior citizen care center and la hacienda apartments, to name a few. The firm offers to its client base a unique shop drawing service with the sale of custom glued laminated timbers. Keller Lumber Sales Inc. provides products, including i-level products and glulam products.