| 2024 | The Ware Foundation C/O Amarillo National Bank--Trust | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Paul F and Virginia J Engler Foundation | 990PF | Director | 1.7 | $0 | $0 | View return |
| 2023 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Paul F and Virginia J Engler Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2023 | The Ware Foundation C/O Amarillo National Bank--Trust | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Paul F and Virginia J Engler Foundation | 990PF | Director | 3 | $0 | $0 | View return |
| 2022 | The Ware Foundation C/O Amarillo National Bank--Trust | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Ware Foundation C/O Amarillo National Bank--Trust | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Ware Foundation C/O Amarillo National Bank--Trust | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Decoursey Properties | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Paul F and Virginia J Engler Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Don & Sybil Harrington Foundation | 990 | Director | 1 | $0 | $0 | View return |