X0101 EFFECT 33 LIVE 2020-12-18 16:00:00

S-3

0001652362 Infrastructure & Energy Alternatives, Inc. 333-251148 0001102525 AMERICAN CIVIL CONSTRUCTORS LLC 333-251148-35 0000934749 MEADOW VALLEY CORP 333-251148-34 0001458784 Meadow Valley Parent Corp. 333-251148-33 0001829867 Johnston Quarry Holdings, LLC 333-251148-32 0001829866 East State Stone LLC 333-251148-31 0001829863 Porter's Stone, LLC 333-251148-30 0001829862 Belvidere Stone, LLC 333-251148-29 0001829861 William Charles Construction Company, LLC 333-251148-28 0001829822 IEA Management Services, Inc. 333-251148-27 0001829820 IEA Equipment Management, LLC 333-251148-26 0001829819 IEA Engineering North Carolina, LLC 333-251148-25 0001829818 IEA Engineering LLC 333-251148-24 0001829817 IEA Constructors, LLC 333-251148-23 0001829816 IEA Energy Services, LLC 333-251148-22 0001829815 IEA Intermediate Holdco, LLC 333-251148-21 0001829773 Consolidated Construction Solutions II LLC 333-251148-20 0001829764 IEA Holdco 1, LLC 333-251148-19 0001829751 Illinois CCDD Operating, LLC 333-251148-18 0001829750 Porter Brothers, LLC 333-251148-17 0001829741 Environmental Contractors, LLC 333-251148-16 0001829744 SAIIA Construction Co LLC 333-251148-15 0001829745 Rockford Blacktop Construction, LLC 333-251148-14 0001829747 John's Stone, LLC 333-251148-13 0001829736 Forest City Logistics, LLC 333-251148-12 0001829734 Ragnar Benson, LLC 333-251148-11 0001829729 Mulford Stone, LLC 333-251148-10 0001829727 DPK, LLC 333-251148-09 0001829731 Structors, Inc. 333-251148-08 0001829604 White Construction Energy Services, LLC 333-251148-07 0001829609 White Construction, LLC 333-251148-06 0001829611 Bianchi Electric, LLC 333-251148-05 0001829691 William Charles, Inc. 333-251148-04 0001829706 American Civil Constructors West Coast LLC 333-251148-03 0001829710 SAIIA Holdings LLC 333-251148-02 0001829716 Consolidated Construction Solutions I LLC 333-251148-01