| 2025 | Christian Care | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $10,250 | - | View return |
| 2024 | Development Association of Rock Island | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2024 | Kiwanis International Moline K00243 Attn Mark Petersen | 990EZ | Director | 3 | $0 | $0 | View return |
| 2023 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | - | View return |
| 2023 | Bridge Investment Community Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2023 | Development Association of Rock Island | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2022 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | $0 | View return |
| 2022 | Bridge Investment Community Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | Development Association of Rock Island | 990 | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2021 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | $0 | View return |
| 2021 | Bridge Investment Community Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Development Association of Rock Island | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $6,750 | $0 | View return |
| 2020 | Development Association of Rock Island | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Bridge Investment Community Development Corporation | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | $0 | View return |
| 2019 | Development Association of Rock Island | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | $0 | View return |
| 2018 | Development Association of Rock Island | 990 | Member | 1 | $0 | $0 | View return |
| 2018 | Kiwanis International Moline K00243 Attn Mark Petersen | 990EZ | Director | 3 | $0 | $0 | View return |
| 2017 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $9,000 | $0 | View return |
| 2017 | Development Association of Rock Island | 990 | Member | 1 | $0 | $0 | View return |
| 2017 | Kiwanis International Moline K00243 Attn Mark Petersen | 990EZ | Director | 3 | $0 | $0 | View return |
| 2016 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $8,000 | $0 | View return |
| 2016 | Development Association of Rock Island | 990 | Past Chairman | 1 | $0 | $0 | View return |
| 2015 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $8,000 | $0 | View return |
| 2015 | Development Association of Rock Island | 990 | Past Chairman | 1 | $0 | $0 | View return |
| 2014 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $8,000 | $0 | View return |
| 2014 | Development Association of Rock Island | 990 | Past Chairman | 1 | $0 | $0 | View return |
| 2013 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $8,000 | $0 | View return |
| 2013 | Development Association of Rock Island | 990 | Past Chairman | 1 | $0 | $0 | View return |
| 2012 | Don E & Charlotte J Williams Charitable Foundation Inc. | 990PF | Director | 1.5 | $8,000 | $0 | View return |