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| Company Name: | SYSTEM DYNAMICS INTERNATIONAL, INC. |
| Employer identification number (EIN): | 591923177 |
| NAIC Classification: | 336410 |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-11-24 | |||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 503 | SYSTEM DYNAMICS INTERNATIONAL, INC. WELFARE BENEFITS PLAN | 2015-10-01 | 2015-10-01 |
| 003 | SYSTEM DYNAMICS INTERNATIONAL, INC. 401(K) PLAN | 2016-10-01 | 1991-08-23 |
| 002 | SYSTEMS DYNAMICS INTERNATIONAL, INC. MONEY PURCHASE PENSION PLAN | 2012-07-01 | 1998-10-01 |
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