| QualCare Alliance Network, Inc. |
| a wholly-owned subsidiary of |
| QualCare, Inc. |
| has acquired |
| Alterra Group, Inc. |
| the holding company for |
| Scibal Associates, Inc. |
| and |
| Encentives, Inc. |
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| TUV Rheinland of North America, Inc. |
| a wholly-owned subsidiary of |
| TÜV Rheinland Group |
| has acquired |
| Non-Destructive Testing Group |
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| Ingenix, Inc. |
| has acquired |
| Global Works Systems, Inc. |
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