Investor Presentaiton

High Quality Customer Base Marine Segment Concrete Segment Federal Government Customers USDA US Army Corps of Engineers State Government Customers DOID - P 18: DEV \VDOT Local Government Customers PHA Private Customers Carnival SONEL Department of Transportation PORT CANAVERAL TAMPA PORT AUTHORITY A Oiltanking BOSTCO STORAGE & TERMINAL SERVICES 2021 Revenue by Customer Private 38% ORION ConocoPhillips Federal 21% State 2% Local 40% DYAD CONSTRUCTION... Turner EEREED CONSTRUCTION, L. P. HOAR CONSTRUCTION 2 MYCON HARVEY HARVEY.. CLEARY 2021 Revenue by Customer Private 96% MISSION CONSTRUCTORS, INC. Gilbane Metzger S&P SATTERFIELD & PONTIKES CONSTRUCTION, INC. Local 4% O 12

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