| 2024 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2024 | Rest Yourself Family Ministries | 990 | Vice President | 2 | $0 | $0 | View return |
| 2024 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2023 | Lake Forest Academy | 990 | Comptroller | 40 | $129,922 | $0 | View return |
| 2023 | Kelly C O'Mahoney Inc | 990EZ | President CEO | 20 | $0 | $0 | View return |
| 2023 | Projecto Honduras | 990EZ | Secretary | 3 | $0 | - | View return |
| 2023 | Monterey Ridge Educational Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2023 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2023 | Rest Yourself Family Ministries | 990 | Vice President | 10 | $0 | $0 | View return |
| 2022 | Rest Yourself Family Ministries | 990 | Director | 10 | $0 | $0 | View return |
| 2022 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2022 | Kelly C O'Mahoney Inc | 990EZ | President & CEO | 20 | $0 | $0 | View return |
| 2022 | Greene County Womens League Cancer Patient Aid | 990EZ | Secretary | 0 | $0 | $0 | View return |
| 2022 | Greene County Womens League Cancer Patient Aid | 990EZ | Secretary | 0 | $0 | $0 | View return |
| 2022 | American Legion Post 156 | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2021 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2021 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2021 | Rest Yourself Family Ministries | 990 | Director | 10 | $0 | $0 | View return |
| 2021 | American Legion Post 156 | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Kelly C O'Mahoney Inc | 990EZ | President & CEO | 20 | $0 | $0 | View return |
| 2020 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2020 | Kelly C O'Mahoney Inc | 990EZ | President & CEO | 20 | $0 | $0 | View return |
| 2020 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2019 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2019 | New England Business Associates Inc. | 990 | Vice President | - | $0 | $0 | View return |
| 2018 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2018 | Monmouth County Academy of Allied Health & Science Pfs Association | 990 | Vice President | 5 | $0 | $0 | View return |
| 2018 | Childrens Museum of Idaho Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2017 | Pennsbury Education Association | 990EZ | Director | 2 | $1,000 | - | View return |
| 2017 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2017 | Friends of the Nature Center Inc. | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | Monmouth County Academy of Allied Health & Science Pfs Association | 990EZ | Co-Treasurer | 5 | $0 | - | View return |
| 2017 | Kelly C O'Mahoney Inc | 990EZ | President & CEO | 20 | $0 | $0 | View return |
| 2017 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2016 | Mako Conference Association | 990EZ | Secretary | 1 | $0 | - | View return |
| 2016 | Rotary International Boise Rotary Club | 990EZ | Director | 2 | $0 | - | View return |
| 2016 | Melryder Foundation Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2016 | Kelly C O'Mahoney Inc | 990EZ | President | 30 | $0 | $0 | View return |
| 2016 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2015 | Kelly C O'Mahoney Inc | 990EZ | President | 30 | $0 | $0 | View return |
| 2015 | Clinton County Arts Council Inc. | 990EZ | Treasurer | 5 | $0 | - | View return |
| 2015 | Mako Conference Association | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2015 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2014 | Pennsbury Education Association | 990EZ | Member | 2 | $1,000 | - | View return |
| 2014 | Rise Adventures Inc DBA Rise Adaptive Sports | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Clinton County Arts Council Inc. | 990EZ | Treasurer | 7 | $0 | - | View return |
| 2014 | Kansas National Guard Foundation Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2014 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2013 | American Pie Council | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Rise Adventures Inc DBA Rise Adaptive Sports | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Kansas National Guard Foundation Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2013 | Lizzi Marriott Intrepid Explorer Fund C/O Robert E Marriott Jr | 990EZ | Trustee | 1 | $0 | $0 | View return |