| 2024 | Council for a Secure America Inc. | 990 | Co-Chair & D | 1 | $0 | $0 | View return |
| 2024 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Domestic Energy Producers Alliance Inc | 990 | Executive Chair | 1 | $0 | $0 | View return |
| 2024 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Council for a Secure America Inc. | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2023 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Domestic Energy Producers Alliance Inc | 990 | Executive Chair | 1 | $0 | $0 | View return |
| 2023 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Domestic Energy Producers Alliance Inc | 990 | Executive Chairman | 1 | $0 | $0 | View return |
| 2022 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | Council for a Secure America Inc. | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2022 | National Fish and Wildlife Foundation | 990 | Director (Thru 10/2022) | 1 | $0 | $0 | View return |
| 2021 | Council for a Secure America Inc. | 990 | Co-Chairman | 1 | $0 | $0 | View return |
| 2021 | Nichols Hills Parks Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2021 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2021 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | National Fish and Wildlife Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Council for a Secure America Inc. | 990 | Executive Ch | 2 | $0 | $0 | View return |
| 2020 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2020 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Harold Hamm Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2020 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | National Fish and Wildlife Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Council for a Secure America Inc. | 990 | Co Chairman | 2 | $0 | $0 | View return |
| 2019 | National Fish and Wildlife Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Council for a Secure America Inc. | 990EZ | Co Chairman | 1 | $0 | - | View return |
| 2018 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | National Fish and Wildlife Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2017 | Council for a Secure America Inc. | 990EZ | Co Chairman | 3 | $0 | - | View return |
| 2017 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | National Fish and Wildlife Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Council for a Secure America Inc. | 990EZ | Co Chairman | 3 | $0 | - | View return |
| 2016 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2015 | National Association of Manufacturers of the USA | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2015 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | - | - | View return |
| 2015 | Council for a Secure America Inc. | 990EZ | Co Chairman | 3 | $0 | - | View return |
| 2014 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2014 | Council for a Secure America Inc. | 990 | Co Chairman | 3 | $0 | $0 | View return |
| 2014 | Gateway Community Services Inc. | 990 | Director | 1.5 | $0 | $0 | View return |
| 2014 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | - | - | View return |
| 2014 | First Coast Behavioral Health Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Gateway Health Systems Inc. | 990EZ | Director | 0.5 | $0 | $0 | View return |
| 2013 | Domestic Energy Producers Alliance Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Petroleum Alliance of Oklahoma | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | National Cowboy and Western Heritage Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Council for a Secure America Inc. | 990EZ | Co Chairman | 3 | $0 | - | View return |
| 2013 | First Coast Behavioral Health Partners | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Denny Price Family YMCA of Enid Oklahoma Inc. | 990 | Director Emeritus | 1 | $0 | $0 | View return |
| 2013 | First Coast Behavioral Health Partners | 990 | Director | 1 | $0 | $0 | View return |