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| Accel Technologies |   | |
| Advanced Microcomputer Systems, Inc. |   | ||
| CAD Design Software |   | ||
| Cadence Design Systems |   | ||
| CADint |   | ||
| CadSoft Computer GmbH |   | ||
| Cohesion Systems Inc |   | ||
| Electronics Workbench |   | ||
| ExpressPCB |   | ||
| Intercept Technology |   | ||
| Ivex Design International |   | ||
| Mental Automation, Inc. |   | ||
| Midwest CAD Design, Inc. |   | ||
| Wave Corporation |   | ||
| PRAMURA SOFTWARE Pvt. Ltd. |   | ||
| Conversion Factors, Inc. |   | ||
| Swift Eurotech Ltd |   | ||
| WISE Software Solutions, Inc. |   | ||
| Ximetrix Systems |   | ||
| Zuken USA |   | ||
| Mentor Graphics 8005 SW Boeckman Road - Wilsonville, OR 97070 USA |   | ||
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