| 2024 | River City Construction Foundation Inc. | 990PF | Director/Treasurer | 1 | $0 | $0 | View return |
| 2024 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2024 | Downstate Infrastructure Awareness and Advancement Fund | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | River City Construction Foundation Inc. | 990PF | Director/Treasurer | 1 | $0 | $0 | View return |
| 2023 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | River City Construction Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Associated General Contractors Industry Advancement Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | River City Construction Foundation Inc. | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2021 | The Associated General Contractors Industry Advancement Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | The Associated General Contractors Industry Advancement Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Associated General Contractors Industry Advancement Fund | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Associated General Contractors of Illinois | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Doug and Diane Oberhelman Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2013 | Peoria Area Convention and Visitors Bureau Inc | 990 | Director | 1 | $0 | $0 | View return |