**Exhibit 21.1**

 
|           |   |   |                       |   | **Name under  which**    |
|----------------|--------|--------|----------------------------|--------|--------------------------|
| ** **     |   |   | **State of Incorporation** |   | **Subsidiary  Conducts** |
| **Subsidiary** |   |   | **or Organization**        |   | **Business**             | ** ** |

 
| **The  financial statements of the following entities were consolidated into the  financial  statements of the Registrant at December 31, 2005:** |
|---------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                              |   |   |   |   |
| Dining In, Inc.                                                                                                                                   |   | Missouri |   | Dining  In, Inc. |
| Duke Acquisition, Inc.                                                                                                                            |   | Georgia |   | Duke  Acquisition, Inc. |
| Duke Realty Ohio                                                                                                                                  |   | Indiana |   | Duke  Realty Ohio |
| Duke Construction Limited Partnership                                                                                                             |   | Indiana |   | Duke  Construction Limited Partnership |
| Duke Realty Construction, Inc.                                                                                                                    |   | Indiana |   | Duke  Realty Construction, Inc. |
| Duke Realty Services, LLC                                                                                                                         |   | Indiana |   | Duke  Realty Services, LLC |
| Duke Realty Services Limited Partnership                                                                                                          |   | Indiana |   | Duke  Realty Services Limited Partnership |
| Duke Realty Limited Partnership                                                                                                                   |   | Indiana |   | Duke  Realty Limited Partnership |
| Duke Business Centers Corporation                                                                                                                 |   | Indiana |   | Duke  Business Centers Corporation |
| Kenwood Office Associates                                                                                                                         |   | Ohio |   | Kenwood  Office Associates |
| Duke-Weeks Construction Services, Inc.                                                                                                            |   | Georgia |   | Duke-Weeks  Construction Services, Inc. |
| Duke-Weeks Realty  Services, Inc.                                                                                                                 |   | Georgia |   | Duke-Weeks  Realty Services, Inc. |
| Duke Kentucky, Inc.                                                                                                                               |   | Kentucky |   | Duke  Kentucky, Inc. |
| BD Michigan Road Development, LLC                                                                                                                 |   | Indiana |   | BD  Michigan Road Development, LLC |
| BD Adena Development LLC                                                                                                                          |   | Ohio |   | BD  Adena Development LLC |
| BD Overlook Development, LLC                                                                                                                      |   | New  Jersey |   | BD  Overlook Development, LLC |
| BD Evansville Development, LLC                                                                                                                    |   | Indiana |   | BD  Evansville Development, LLC |
| BD SMMC Development, LLC                                                                                                                          |   | Indiana |   | BD  SMMC Development, LLC |
| BD Plainfield Development, LLC                                                                                                                    |   | Illinois |   | BD  Plainfield Development, LLC |
| BD Clermont Development, LLC                                                                                                                      |   | Ohio |   | BD  Clermont Development, LLC |
| BD Greenwood Development, LLC                                                                                                                     |   | Indiana |   | BD  Greenwood Development, LLC |
|                                                                                                                                              |   |   |   |   |
| **The  Registrant accounted for the following entities on the equity method at  December 31, 2005:**                                              |
|                                                                                                                                              |   |   |   |   |
| B/D Limited Partnership                                                                                                                           |   | Indiana |   | B/D  Limited Partnership |
| Campus Development, LLC                                                                                                                           |   | Ohio |   | Campus  Development, LLC |
| Cincinnati Development Group LLC                                                                                                                  |   | Ohio |   | Cincinnati  Development Group LLC |
| Dividend Discount Model.com LLC                                                                                                                   |   | Indiana |   | Dividend  Discount Model.com LLC |
| Dugan Office, LLC                                                                                                                                 |   | Indiana |   | Dugan  Office, LLC |
| Dugan Realty, LLC                                                                                                                                 |   | Indiana |   | Dugan  Realty, LLC |
| Dugan SSP Realty, LLC                                                                                                                             |   | Indiana |   | Dugan  SSP Realty, LLC |
| Dugan Texas, LLC                                                                                                                                  |   | Delaware |   | Dugan  Texas, LLC |
| Duke Platinum, LLC                                                                                                                                |   | Indiana |   | Duke  Platinum, LLC |
| DWT Gateway I, LLC                                                                                                                                |   | N.  Carolina |   | One  Gateway Centre, LLC |
| DWT Gateway II, LLC                                                                                                                               |   | N.  Carolina |   | Two  Gateway Centre, LLC |
| Duke-Hawk, LLC                                                                                                                                    |   | Indiana |   | Duke-Hawk,  LLC |
| Hillside Partnership One LP                                                                                                                       |   | Georgia |   | Hillside  Partnership One |
| Horizon Park Developers, Inc.                                                                                                                     |   | Georgia |   | Horizon  Park Developers, Inc. |
| Lamida Group, LLC                                                                                                                                 |   | Indiana |   | Lamida  Group, LLC |
| Lirector, Inc.                                                                                                                                    |   | Illinois |   | Lirector,  Inc. |
| Northwinds Land, LLC                                                                                                                              |   | Georgia |   | Northwinds  Land, LLC |
| Park Fletcher Limited Partnership 2728                                                                                                            |   | Indiana |   | Park  Fletcher Limited Partnership 2728 |
| Post Road Limited Partnership                                                                                                                     |   | Indiana |   | Post  Road Limited Partnership |
| Cincinnati Development Group/Other Ventures LLC                                                                                                   |   | Ohio |   | Cincinnati  Development Group/Other Ventures LLC |
| Dugan Millenia LLC                                                                                                                                |   | Florida |   | Dugan  Millenia LLC |
| Park Creek Venture                                                                                                                                |   | Indiana |   | Park  Creek Venture |
|                                                                                                                                              |   |   |   |   |
| **The  Registrant accounted for the following entity on the cost method at December  31, 2005:**                                                  |
|                                                                                                                                              |   |   |   |   |
| Pinnacle Media, LLC                                                                                                                               |   | Indiana |   | Pinnacle  Media, LLC |

 

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