The majority of wood products used in Colorado (90-100% depending on the product line) are NOT made in Colorado. Most forest and wood products are made elsewhere in the American West or in Canada and are imported by truck or railroad.
Source: Lynch, D. L. and K. Mackes. 2001. Wood use in Colorado at the turn of the twenty-first century. Research Paper RMRS-RP-32. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 23 p.