1 EXHIBIT (21) VULCAN MATERIALS COMPANY SUBSIDIARIES AS OF DECEMBER 31, 1998 STATE OR OTHER JURISDICTION OF % OWNED DIRECTLY INCORPORATION OR INDIRECTLY ENTITY OR ORGANIZATION BY VULCAN ------ --------------- --------- Subsidiaries ------------ Atlantic Granite Company* South Carolina 66-2/3 Birmingham Slag Company* Alabama 100 Callaway Chemical Company New Jersey 100 Callaway Chemical Limited British Columbia 100 Dixie Sand and Gravel Company, Inc.* Tennessee 100 Knoxville Mack Distributors, Inc.* Tennessee 100 Lambert Bros., Inc.* Tennessee 100 Midsouth Machine and Service Company Tennessee 100 RECO Transportation, Inc. Kentucky 100 Statewide Transport, Inc. Texas 100 Vulcan Aggregates Company, LLC Delaware 100 Vulcan Chemicals Investments, LLC Delaware 100 Vulcan Chemical Technologies, Inc. Delaware 100 Vulcan Chloralkali, LLC Delaware 51 Vulcan Construction Materials, LP Delaware 100 Vulcan/ICA Distribution Company (Partnership) Texas 51 Vulcan Gulf Coast Aggregates, Inc. New Jersey 100 Vulcan Gulf Coast Materials, Inc. New Jersey 100 Vulcan Holdings, Inc. New Jersey 100 Vulcan International, Ltd. U.S. Virgin Islands 100 Vulcan Lands, Inc. New Jersey 100 Vulcan Materials Finance Company Tennessee 100 Vulcan Soda Ash Company California 100 Wanatah Trucking Co., Inc. Indiana 100 Wesco Contracting Company* Tennessee 100 White's Mines, Inc.* Texas 100 *Inactive