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| Company Name: | MATHEMATICAL RESEARCH INC |
| Employer identification number (EIN): | 760241594 |
| NAIC Classification: | 541330 |
| NAIC Description: | Engineering Services |
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: 2025-09-30 | |||||
| USA Location Address | ||||||
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| Date first seen: 2007-01-01 | ||||||
| Date last seen: 2025-09-30 | ||||||
| USA Mailing Address | ||||||
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| Date first seen: 2007-01-01 | ||||||
| Date last seen: 2025-11-19 | ||||||
| Date | Description |
|---|---|
| 2021-10-15 | 760241594 Change of name detected from MATHEMATICAL RESEARCH, INC. DBA MRI TECHNOLOGIES to MATHEMATICAL RESEARCH INC |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 501 | MRI TECHNOLOGIES HEALTH AND WELFARE PLAN | 2014-01-01 | 2007-01-01 |
| 001 | MATHEMATICAL RESEARCH, INC. DBA MRI TECHNOLOGIES 401(K) SAVINGS PLAN | 2009-01-01 | 1991-01-01 |
| 002 | MATHEMATICAL RESEARCH INC 401(K) PROFIT SHARING PLAN & TRUST | 2020-01-01 | 2020-01-01 |
| 003 | MRI TECHNOLOGIES, INC. 401(K) PLAN | 2023-01-01 | 2023-01-01 |
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