EX-21 4 ex21.htm EXHIBIT 21

Exhibit 21

| Perini Corporation

| Subsidiaries of the Registrant

Name |  | Place of Organization |  | Percentage of Interest or Voting Securities Owned
Perini Corporation |  | Massachusetts |  |
Perini Building Company, Inc. |  | Arizona |  | 100%
Tutor-Saliba Corporation |  | California |  | 100%
Desert Plumbing & Heating Co., Inc. |  | Nevada |  | 100%
Powerco Electric Corp. |  | Nevada |  | 100%
Black Construction |  | Guam |  | 100%
Perini Management Services, Inc. |  | Massachusetts |  | 100%
James A. Cummings, Inc. |  | Florida |  | 100%
Cherry Hill Construction, Inc. |  | Maryland |  | 100%
Rudolph and Sletten, Inc. |  | California |  | 100%
Perini Environmental Services, Inc. |  | Delaware |  | 100%
International Construction Management Services, Inc. |  | Delaware |  | 100%
Percon Constructors, Inc. |  | Delaware |  | 100%
Bow Leasing Company, Inc. |  | New Hampshire |  | 100%
Perini Land & Development Company, Inc. |  | Massachusetts |  | 100%
Paramount Development Associates, Inc. |  | Massachusetts |  | 100%
Mt. Wayte Realty, LLC |  | Delaware |  | 100%