| 2024 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2024 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2024 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Ohio Foundation of Independent Colleges Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2023 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2022 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Ohio Foundation of Independent Colleges Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Timken Foundation of Canton | 990PF | Trustee | 1 | $23,965 | $0 | View return |
| 2021 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2021 | Ohio Foundation of Independent Colleges Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $112,292 | $0 | View return |
| 2020 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2020 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $106,389 | $0 | View return |
| 2019 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2019 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $81,113 | $0 | View return |
| 2018 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2018 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $81,113 | $0 | View return |
| 2017 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2017 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $81,113 | $0 | View return |
| 2016 | Henry and Louise Timken Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2015 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $81,113 | $0 | View return |
| 2015 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Henry and Louise Timken Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2015 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Ohio Foundation of Independent Colleges Inc. | 990 | Life Trustee | 1 | $0 | $0 | View return |
| 2014 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $81,113 | $0 | View return |
| 2014 | Henry and Louise Timken Foundation | 990 | Trustee | 1 | - | - | View return |
| 2014 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2014 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | Ohio Foundation of Independent Colleges Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $78,750 | $0 | View return |
| 2013 | National Association of Manufacturers of the United States of America | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Stark Education Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Henry and Louise Timken Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2013 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Ohio Foundation of Independent Colleges Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $75,000 | $0 | View return |
| 2012 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2012 | The Ward J and Joy a Timken Foundation | 990PF | Pres/Ttee | 1 | $0 | - | View return |
| 2011 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $75,000 | $0 | View return |
| 2011 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $75,000 | $0 | View return |
| 2011 | Timken Family Charitable Trust | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | The Ward J and Joy a Timken Foundation | 990PF | President/Trustee | 0 | $0 | - | View return |
| 2010 | Timken Foundation of Canton | 990PF | President/Trustee | 10 | $75,000 | $0 | View return |
| 2010 | The Ward J and Joy a Timken Foundation | 990PF | President/Trustee | 1 | $0 | $0 | View return |
| 2010 | Timken Family Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |