X0101 EFFECT 33 LIVE 2011-04-28 10:15:00

S-4

0000077543 TUTOR PERINI Corp 333-173133 0001516807 Perini Environmental Services, Inc. 333-173133-25 0000906133 TUTOR SALIBA CORP 333-173133-24 0001516808 Perini Building Company, Inc. 333-173133-23 0001516828 TPC Aggregates, LLC 333-173133-22 0001516812 International Construction Management Services, Inc. 333-173133-21 0001516813 Perini Management Services, Inc. 333-173133-20 0001516819 Bow Equipment Leasing Company, Inc. 333-173133-19 0001516817 R.E. Dailey & Co. 333-173133-18 0001516814 Perini Land & Development Company, Inc. 333-173133-17 0001516824 Paramount Development Associates, Inc. 333-173133-16 0001516822 Percon Constructors, Inc. 333-173133-15 0001516831 Perland Construction, Inc. 333-173133-14 0001516800 James A. Cummings, Inc. 333-173133-13 0001516820 Cherry Hill Construction, Inc. 333-173133-12 0001516818 Rudolph & Sletten, Inc. 333-173133-11 0001516829 Tutor-Saliba LLC 333-173133-10 0001516825 Powerco Electric Corp. 333-173133-09 0001516827 Tutor Holdings, LLC 333-173133-08 0001516823 Tutor Pacific Construction, LLC 333-173133-07 0001516832 Tutor Micronesia Construction, LLC 333-173133-06 0001516815 G.W. Murphy Construction Company, Inc. 333-173133-05 0001516830 E.E. Black, Ltd 333-173133-04 0001516821 Desert Plumbing & Heating Co., Inc. 333-173133-03 0001516826 Black Construction Investments, Inc. 333-173133-02 0001516816 Daniel J. Keating Construction Company, LLC 333-173133-01