1 EXHIBIT 21 Subsidiaries of Clyde Companies, Inc. (the "Registrant") Percentage of Outstanding Place of Stock Held by Name of Subsidiary Incorporation the Registrant ------------------ ------------- -------------- W.W. Clyde & Co., Inc. Utah 100% Geneva Rock Products, Inc. Utah 100% Utah Service, Inc. Utah 100% Beehive Insurance Agency, Inc. Utah 100% J & J Building Supply, Inc. Utah 100%