71 Construction builds the infrastructure for transportation, water and sewer, parking lots or building lots. We have a division that makes asphalt, and produces and sells landscape rock and construction aggregates at (307)473-7100. We have estimators and engineers that can provide costs and prices for all of that. (307)235-2922. We have divisions in Riverton at (307)856-7171 and Rawlins at (307)328-7171. We have a company that owns and develops real estate.