| List of Subsidiaries                                                                                          Exhibit 21 |
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| **Name**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | **State** |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| **Corporations****:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| Parkway Properties General Partners, Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Delaware |
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| Golf Properties, Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | North Carolina |
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| Parkway Properties One Park Ten General Partner,  Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | Delaware |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| Parkway Orlando Manager, Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Delaware |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| Parkway One Capital Manager, Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Delaware |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| Parkway 233 North Michigan Manager, Inc.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | Delaware |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| **Partnerships****:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |  |
| Moore Building  Associates LP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Delaware |
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| Parkway Moore LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Delaware |
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| Parkway Properties LP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | Delaware |
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| Parkway Realty Services LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Delaware |
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| 111 Capitol Building LP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Mississippi |
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| Parkway Jackson LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Mississippi |
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| Parkway Lamar LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Mississippi |
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| Parkway Mississippi LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Mississippi |
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| Parkway Capitol Center LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | Delaware |
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| Parkway Properties One Park Ten LP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Delaware |
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| Parkway Orlando LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Delaware |
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| Parkway JHLIC LP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | Delaware |
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| Parkway One Capital LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Delaware |
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| Parkway One Capital City Plaza LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Delaware |
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| Parkway 233 North Michigan, LLC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Delaware |