| 2024 | International Association of Machinists & Aerospace Workers | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2024 | Robertson Enterprises Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2024 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2024 | Boyle County Habitat for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2023 | Boyle County Habitat for Humanity | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Robertson Enterprises Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2022 | Robertson Enterprises Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2022 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2021 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2021 | Robertson Enterprises Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2021 | The President Theatre Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Springer Opera House Arts Association Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2020 | The President Theatre Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2020 | Harris County Cattlemens Association Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Harris County Chamber of Commerce | 990 | Director | 0.25 | $0 | $0 | View return |
| 2020 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2020 | Robertson Enterprises Inc. | 990 | President | 40 | $0 | $0 | View return |
| 2019 | Robertson Enterprises Inc. | 990 | President | 40 | $97,801 | $0 | View return |
| 2019 | Harris County Chamber of Commerce | 990 | Director | 0.25 | $0 | $0 | View return |
| 2019 | Springer Opera House Arts Association Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2019 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2019 | The President Theatre Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | Robertson Enterprises Inc. | 990 | President | 40 | $97,801 | $0 | View return |
| 2018 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2018 | Springer Opera House Arts Association Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Harris County Chamber of Commerce | 990EZ | Director | 0.25 | $0 | - | View return |
| 2017 | Robertson Enterprises Inc. | 990 | President | 40 | $84,992 | $0 | View return |
| 2017 | Muscogee Educational Excellence Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2017 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2017 | Brawley Chamber of Commerce Inc | 990 | Past President | 1 | $0 | $0 | View return |
| 2016 | Robertson Enterprises Inc. | 990 | President | 40 | $84,992 | $0 | View return |
| 2016 | Muscogee Educational Excellence Foundation Inc. | 990 | Director | - | $0 | $0 | View return |
| 2016 | Brawley Chamber of Commerce Inc | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2016 | Imperial Valley Joint Chambers of Commerce | 990EZ | President | 0 | $0 | - | View return |
| 2015 | Robertson Enterprises Inc. | 990 | President | 40 | $84,992 | $0 | View return |
| 2015 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2015 | Brawley Chamber of Commerce Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2015 | Imperial Valley Joint Chambers of Commerce | 990EZ | President Elect | 0 | $0 | - | View return |
| 2014 | Robertson Enterprises Inc. | 990 | President | 40 | $84,992 | $0 | View return |
| 2014 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | Brawley Chamber of Commerce Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Robertson Enterprises Inc. | 990 | Secretary | 40 | $76,445 | $0 | View return |
| 2013 | Wilshire Athletic Association | 990 | Treasurer | 5 | $0 | $0 | View return |