**Exhibit 21**

** **

**KAISER GROUPHOLDINGS, INC.**9302 Lee Highway, Fairfax, Virginia 22031(703) 934-3600

 

Kaiser Group Holdings, Inc.’sconsolidated subsidiaries are listed below. Consolidated subsidiaries which are less than wholly owned are indicatedby the ownership percentage figure in parentheses following the name of theconsolidated subsidiary.

** **
| **CONSOLIDATED  SUBSIDIARY** |   | **JURISDICTION  OF FORMATION**                                                                                          |   |
|------------------------------|--------|-------------------------------------------------------------------------------------------------------------------------|--------|
|                         |   |                                                                                                                    |   |
| **I.**                       |   | **Kaiser Group International, Inc.**                                                                                    |   | **Delaware** |
|                         |   | **II.            Henry J. Kaiser Development Corporation, Inc.** |   | **Delaware** |
|                         |   | **II.            Kaiser Engineers Group, Inc.**                  |   | **Delaware** |
|                         |   | III.           Henry J. Kaiser  Company                               |   | Nevada |
|                         |   | III.           Kaiser Engineers,  Inc.                                |   | Ohio |
|                         |   | IV.           KRGW Company (Canada), Inc.                             |   | Canada |
|                         |   | IV.           Kaiser Overseas Engineering, Inc.                       |   | Delaware |
|                         |   | IV.           Kaiser Engineers and Constructors,  Inc.                |   | Nevada |
|                         |   | V.            Kaiser Engenharia, S.A. (50%)                      |   | Portugal |
|                         |   | IV.           Kaiser Engineers International,  Inc.                   |   | Nevada |
|                         |   | V.            Kaiser Engenharia, S.A. (50%)                      |   | Portugal |
|                         |   | **II.            Kaiser Engineers Massachusetts, Inc.**          |   | **Delaware** |
|                         |   | **II.            Kaiser Government Programs, Inc.**              |   | **Delaware** |
|                         |   | III.           Kaiser K-H  Holdings, Inc.                             |   | Delaware |
|                         |   | IV.           Kaiser-Hill Company, LLC (50%)                          |   | Colorado |
|                         |   | V.            Kaiser-Hill Funding Company,  L.L.C. (98%)         |   | Delaware |
|                         |   | IV.           Kaiser-Hill Funding Company, L.L.C.  (1%)               |   | Delaware |
|                         |   | **II.            Kaiser Hanford Company**                        |   | **Delaware** |
|                         |   | **II.            Kaiser Holdings Unlimited, Inc.**               |   | **Delaware** |
|                         |   | III.           Kaiser Engineers  Eastern Europe, Inc.                 |   | Delaware |
|                         |   | IV.           Kaiser Netherlands B.V. (10%)                           |   | Netherlands |
|                         |   | III.           Kaiser  Netherlands B.V. (90%)                         |   | Netherlands |
|                         |   | **II.            Kaiser Technology Holdings, Inc.**              |   | **Delaware** |
|                         |   | III.           Kaiser Advanced  Technology, Inc.                      |   | Idaho |
|                         |   | IV.           ICF Kaiser Advanced Technology of  New Mexico, Inc.     |   | New Mexico |
|                         |   | **II.            Monument Select Insurance Company**             |   | **Vermont** |
|                         |   | III.           MSIC, Inc.                                             |   | Delaware |
|                         |   | **II.            Tudor Engineering Company**                     |   | **Delaware** |
|                              |        |                                                                                                                         |        |  |  |  |  |

 

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