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| Name                                                 |   | Place ofOrganization |   | Percentage of Interest or Voting Securities Owned |
|------------------------------------------------------|--------|----------------------|--------|---------------------------------------------------|
|                                                 |   |                 |   |                                              |
| Tutor Perini Corporation                             |   | Massachusetts        |   |                                              |
|                                                 |   |                 |   |                                              |
| Perini Building Company, Inc.                        |   | Arizona              |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Tutor-Saliba, LLC                                    |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Tutor-Saliba Corporation                             |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Desert Plumbing & Heating Co., Inc.              |   | Nevada               |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Powerco Electric Corp.                               |   | California           |   | 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%                                              |
|                                                 |   |                 |   |                                              |
| Keating Building Company                             |   | Delaware             |   | 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%                                              |
|                                                 |   |                 |   |                                              |
| Superior Gunite LLC                                  |   | Delaware             |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Superior Gunite                                      |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Johnson Western Constructors, Inc.                   |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Johnson Western Gunite Company                       |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Valley Concrete & Framing, Inc.                  |   | California           |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Fisk Acquisition, Inc.                               |   | Delaware             |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Fisk Electric Company                                |   | Texas                |   | 100%                                              |
|                                                 |   |                 |   |                                              |
| Fisk International, Ltd.                             |   | Delaware             |   | 100%                                              |

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