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| Company Name: | ECOVYST CATALYST TECHNOLOGIES, LLC |
| Employer identification number (EIN): | 862551862 |
| NAIC Classification: | 325200 |
The following addresses have been detected on the 401k submissions:
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2009-10-01 | |||||
| Date last seen: 2024-10-09 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2025-07-30 | |||||
| Date last seen: 2025-12-02 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2009-10-01 | |||||
| Date last seen: 2025-12-03 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2009-10-01 | |||||
| Date last seen: 2025-12-03 | |||||
| 401k Sponsor USA Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2009-10-01 | |||||
| Date last seen: 2025-10-13 | |||||
| USA 401k Admin Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2024-10-09 | |||||
| Date last seen: 2025-10-13 | |||||
| Date | Description |
|---|---|
| 2022-10-10 | 862551862 Change of name detected from PQ CORPORATION to ECOVYST CATALYST TECHNOLOGIES, LLC |
| 2022-07-27 | 862551862 Change of name detected from PQ CORPORATION to ECOVYST CATALYST TECHNOLOGIES, LLC |
| 2022-07-27 | 862551862 Change of plan name detected from PQ CORPORATION SAVINGS PLAN to ECOVYST 401(K) SAVINGS PLAN for plan ID 003 |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 003 | ECOVYST 401(K) SAVINGS PLAN | 1982-02-01 | 1982-02-01 |
| 010 | ECO SERVICES PENSION EQUITY PLAN | 2021-01-01 | 2014-12-01 |
| 501 | ECOVYST LIFE AND HEALTHCARE PLAN | 2021-08-01 | 2021-08-01 |
| 015 | ECO SERVICES HOURLY PENSION PLAN | 2014-12-01 | 2014-12-01 |
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