| Form: | S-4 |
| CIK: | 0000077543 | | Company Name: | TUTOR PERINI Corp | | File Number: | 333-173133 |
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| CIK: | 0001516807 | | Company Name: | Perini Environmental Services, Inc. | | File Number: | 333-173133-25 |
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| CIK: | 0000906133 | | Company Name: | TUTOR SALIBA CORP | | File Number: | 333-173133-24 |
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| CIK: | 0001516808 | | Company Name: | Perini Building Company, Inc. | | File Number: | 333-173133-23 |
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| CIK: | 0001516828 | | Company Name: | TPC Aggregates, LLC | | File Number: | 333-173133-22 |
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| CIK: | 0001516812 | | Company Name: | International Construction Management Services, Inc. | | File Number: | 333-173133-21 |
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| CIK: | 0001516813 | | Company Name: | Perini Management Services, Inc. | | File Number: | 333-173133-20 |
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| CIK: | 0001516819 | | Company Name: | Bow Equipment Leasing Company, Inc. | | File Number: | 333-173133-19 |
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| CIK: | 0001516817 | | Company Name: | R.E. Dailey & Co. | | File Number: | 333-173133-18 |
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| CIK: | 0001516814 | | Company Name: | Perini Land & Development Company, Inc. | | File Number: | 333-173133-17 |
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| CIK: | 0001516824 | | Company Name: | Paramount Development Associates, Inc. | | File Number: | 333-173133-16 |
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| CIK: | 0001516822 | | Company Name: | Percon Constructors, Inc. | | File Number: | 333-173133-15 |
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| CIK: | 0001516831 | | Company Name: | Perland Construction, Inc. | | File Number: | 333-173133-14 |
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| CIK: | 0001516800 | | Company Name: | James A. Cummings, Inc. | | File Number: | 333-173133-13 |
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| CIK: | 0001516820 | | Company Name: | Cherry Hill Construction, Inc. | | File Number: | 333-173133-12 |
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| CIK: | 0001516818 | | Company Name: | Rudolph & Sletten, Inc. | | File Number: | 333-173133-11 |
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| CIK: | 0001516829 | | Company Name: | Tutor-Saliba LLC | | File Number: | 333-173133-10 |
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| CIK: | 0001516825 | | Company Name: | Powerco Electric Corp. | | File Number: | 333-173133-09 |
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| CIK: | 0001516827 | | Company Name: | Tutor Holdings, LLC | | File Number: | 333-173133-08 |
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| CIK: | 0001516823 | | Company Name: | Tutor Pacific Construction, LLC | | File Number: | 333-173133-07 |
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| CIK: | 0001516832 | | Company Name: | Tutor Micronesia Construction, LLC | | File Number: | 333-173133-06 |
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| CIK: | 0001516815 | | Company Name: | G.W. Murphy Construction Company, Inc. | | File Number: | 333-173133-05 |
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| CIK: | 0001516830 | | Company Name: | E.E. Black, Ltd | | File Number: | 333-173133-04 |
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| CIK: | 0001516821 | | Company Name: | Desert Plumbing & Heating Co., Inc. | | File Number: | 333-173133-03 |
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| CIK: | 0001516826 | | Company Name: | Black Construction Investments, Inc. | | File Number: | 333-173133-02 |
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| CIK: | 0001516816 | | Company Name: | Daniel J. Keating Construction Company, LLC | | File Number: | 333-173133-01 |
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