The $42.7 million Caterpillar Logistics Services Inc. plant being built on the West Plains is nearly ready to open. The 554,200-square-foot building is located on 72 acres of land along Hallett Road. Clayco Inc., of St. Louis, is the general contractor, and Spokane-area subcontractors who worked on the project include Divcon Inc., Piersol Construction Inc., and Central Premix Concrete Co.