| 2023 | Arm Charitable Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2023 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2023 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2022 | Arm Charitable Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2022 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2021 | Arm Charitable Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2021 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2021 | J F M Foundation | 990PF | Vice President/Treasurer | 1 | $0 | $0 | View return |
| 2021 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | Angioma Alliance | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2021 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2020 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Arm Charitable Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2020 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2020 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2020 | J F M Foundation | 990PF | Vice President/Treasurer | 1 | $0 | $0 | View return |
| 2019 | Union County Farm Bureau | 990EZ | Trustee | 1 | $160 | $0 | View return |
| 2019 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2019 | Angioma Alliance | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2019 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | $0 | View return |
| 2019 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2019 | Arm Charitable Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2018 | Union County Farm Bureau | 990EZ | Trustee | 1 | $160 | $0 | View return |
| 2018 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Angioma Alliance | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2018 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2018 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2018 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | $0 | View return |
| 2018 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Union County Farm Bureau | 990EZ | Vice President | 1 | $160 | - | View return |
| 2017 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2017 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2017 | Angioma Alliance | 990 | Chair | 0.5 | $0 | $0 | View return |
| 2017 | Anthony and Delisa Mayer Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | $0 | View return |
| 2016 | Union County Farm Bureau | 990EZ | Trustee | 1 | $160 | - | View return |
| 2016 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | $0 | View return |
| 2016 | Anthony and Delisa Mayer Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2016 | St George'S School | 990 | Individual Trustee | 2 | $0 | $0 | View return |
| 2015 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2014 | West Central Telephone Association | 990 | CEO | 40 | $244,771 | $0 | View return |
| 2014 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | - | View return |
| 2014 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2013 | West Central Telephone Association | 990 | CEO | 40 | $230,141 | $0 | View return |
| 2013 | Roundup Riders of the Rockies Heritage and Trails Foundation Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Angioma Alliance | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2013 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2013 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | - | View return |
| 2012 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2012 | J F M Foundation | 990PF | Vice President/Treasurer | 0 | $0 | - | View return |
| 2012 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2011 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2011 | Anthony and Delisa Mayer Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2011 | J F M Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2010 | Anthony and Delisa Mayer Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2010 | Frederick R Mayer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2009 | Frederick R Mayer Foundation | 990PF | VP | 0 | $0 | $0 | View return |
| 2009 | J F M Foundation | 990PF | Vice President/Treasurer | 0.5 | $0 | $0 | View return |
| 2009 | Anthony and Delisa Mayer Foundation | 990PF | President | 5 | $0 | $0 | View return |