LIST OF MAJOR CLIENTS The following list of clients is in alphabetical order and nothing else is signified based on their order of appearance. AUI GENERAL CONTRACTORS AUSTIN BRIDGE & ROAD AUSTIN COMMERCIAL BALFOUR BEATTY BFW CONSTRUCTION CO. BORTON, INC. BUFORD-THOMPSON C D HENDERSON C F JORDAN CADENCE MCSHANE CAPFORM CENTEX CONSTRUCTION CO. CHAMPAGNE-WEBBER, INC. CHARTER BUILDERS CHEROKEE BRIDGE & ROAD COMPONENT CONSTRUCTION CONCHO CONSTRUCTION CO., INC. COPPELL CONSTRUCTION CO., INC. CORNERSTONE CONSTRUCTION DALCAN, INC. DALMAC CONSTRUCTION DAN WILLIAMS DAYCO DEAN WORD COMPANY DEAVERS CONSTRUCTION L.P. DICK CORPORATION ED BELL CONSTRUCTION ED PARKER & ASSOC. ELLIS MCGINNIS CONSTRUCTION CO. EMERSON CONSTRUCTION CO., INC. FOUR THIRTEEN, INC. FRYEMIRE COMPANY FUQUA CONSTRUCTION GILBERT TEXAS (PKS) GILVIN-TERRELL, INC H.B. ZACHRY CO. HAMBRICK HARRISON, WALKER, & HARPER HCB CONTRACTORS HENSEL PHELPS CONSTRUCTION HILDALGO IND. SERV.,INC. HILL & WILKENSON INC. J & M CONCRETE J&N CONSTRUCTION J-W PAYNE JAY-REESE CONTRACTORS L.A. SEARS CONSTRUCTION, INC. LANCE CONSTRUCTION LINBECK LISKA CONSTRUCTION CO. MANHATTEN CONSTRUCTION MARTIN K. EBY CONSTRUCTION McCARTHY BUILDING CO. MICA CORPORATION MINN-KOTA EXCAVATION, INC. MOBLEY SPEED MONTEREY CONSTRUCTION CO. MONTGOMERY KONE, INC. NORTH TEXAS BRIDGE CO. ORVAL HALL EXCAVATIING CO. OSBURN CONTRACTORS, INC. POTTER CONCRETE R.C. SMALL & ASSOCIATES REF-CHEM CORPORATION RENAISSANCE ROBERT JENTSCH ROGERS-O'BRIEN CONSTRUCTION CO. SEDALCO INC. SFW CONSTRUCTION INC. SIZELOVE CONCRETE STEELE-FREEMAN SUNMOUNT CORPORATION THOS S. BYRNE TIC THE INDUSTRIAL COMPANY TWIN MOUNTAIN (PKS)