**Exhibit 21**

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**KAISER GROUP HOLDINGS, INC.**12303 Airport Way, Suite 125Broomfield, CO 80021(720) 889-2770

 

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.**                               | **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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