Exhibit 21

Tutor Perini Corporation

Subsidiaries of the Registrant

Name Business Segment (as applicable) Place of Organization Percentage of Interest or Voting Securities Owned

Tutor Perini Corporation		Massachusetts
Perini Building Company, Inc.	Building	Arizona	100%
Tutor-Saliba, LLC	Building and Civil	California	100%
Tutor-Saliba Corporation	Building and Civil	California	100%
Desert Mechanical Inc.	Specialty Contractors	Nevada	100%
Powerco Electric Corp.	Specialty Contractors	California	100%
Black Construction	Management Services	Guam	100%
Perini Management Services, Inc.	Management Services	Massachusetts	100%
James A. Cummings, Inc.	Building	Florida	100%
Cherry Hill Construction, Inc.	Civil	Maryland	100%
Rudolph and Sletten, Inc.	Building	California	100%
Keating Building Company	Building	Delaware	100%
Bow Leasing Company, Inc.	N/A	New Hampshire	100%
Superior Gunite LLC	Specialty Contractors	Delaware	100%
Superior Gunite	Specialty Contractors	California	100%
Johnson Western Constructors, Inc.	Specialty Contractors	California	100%
Johnson Western Gunite Company	Specialty Contractors	California	100%
Valley Concrete & Framing, Inc.	Specialty Contractors	California	100%
Fisk Acquisition, Inc.	Specialty Contractors	Delaware	100%
Fisk Electric Company	Specialty Contractors	Texas	100%
Fisk International, Ltd.	Specialty Contractors	Delaware	100%
Anderson Companies	Building	Delaware	100%
Brice Building Company, LLC	Building	Delaware	100%

Harrell Contracting Group, LLC	Building	Mississippi	100%
Roy Anderson Corp	Building	Mississippi	100%
Lunda Construction Company	Civil	Wisconsin	100%
Frontier-Kemper Constructors, Inc.	Civil	Indiana	100%
GreenStar Services Corporation	Specialty Contractors	Delaware	100%
Five Star Electric Corporation	Specialty Contractors	New York	100%
WDF, Inc.	Specialty Contractors	New York	100%
Nagelbush Mechanical, Inc.	Specialty Contractors	Florida	100%
Airtech Systems, Inc.	Specialty Contractors	Delaware	100%
Safe Harbor Electric, Inc.	Specialty Contractors	Delaware	100%
Becho Inc.	Civil	Utah	100%