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| Company Name: | KEYSTONE SERVICE SYSTEMS, INC. |
| Employer identification number (EIN): | 231915567 |
| NAIC Classification: | 624100 |
| NAIC Description: | Individual and Family 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: 2025-06-30 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2017-03-31 | |||||
| Date last seen: 2018-10-12 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2017-03-31 | |||||
| Date last seen: 2018-10-12 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2019-10-11 | |||||
| Date last seen: 2020-05-01 | |||||
| USA Mailing 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: 2025-11-24 | |||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 006 | KEYSTONE SERVICE SYSTEMS, INC. 403(B) PLAN | 2015-07-01 | 1993-01-01 |
| 501 | KEYSTONE SERVICE SYSTEMS, INC. ACCIDENTAL DEATH AND DISMEMBERMENT LONG TERM DISABILITY PLAN | 2015-07-01 | 1983-07-01 |
| 503 | KEYSTONE SERVICE SYSTEMS, INC. EMPLOYEE HOSPITAL MAJOR MEDICAL SURGICAL MEDICAL AND DENTAL INSURANCE | 2015-07-01 | 1976-01-15 |
| 550 | KEYSTONE SERVICE SYSTEMS, INC. FLEXIBLE BENEFITS PLAN | 2009-01-01 | 1989-01-01 |
| 001 | KEYSTONE SERVICE SYSTEMS, INC. 401(K) RETIREMENT PLAN | 2009-07-01 | 1993-01-01 |
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