| Heidi/William Kapovich | $150 | Feb 14, 2019 | — |
| Rita, Friends of Robert "Bob" | $250 | Feb 14, 2019 | — |
| Olsen for Illinois | $850 | Feb 14, 2019 | — |
| Olsen, Friends of David | $750 | Feb 14, 2019 | — |
| Olsen, Friends of David | $600 | Feb 13, 2019 | — |
| Olsen, Friends of David | $900 | Feb 12, 2019 | — |
| Olsen for Illinois | $500 | Feb 12, 2019 | — |
| Olsen, Friends of David | $700 | Feb 11, 2019 | — |
| Olsen for Illinois | $600 | Feb 11, 2019 | — |
| Olsen, Friends of David | $875 | Feb 8, 2019 | — |
| Olsen for Illinois | $675 | Feb 8, 2019 | — |
| Olsen for Illinois | $900 | Feb 7, 2019 | — |
| Olsen, Friends of David | $750 | Feb 7, 2019 | — |
| Olsen for Illinois | $700 | Feb 5, 2019 | — |
| Olsen, Friends of David | $850 | Feb 5, 2019 | — |
| Olsen for Illinois | $875 | Feb 4, 2019 | — |
| Olsen, Friends of David | $900 | Feb 4, 2019 | — |
| Olsen, Friends of David | $500 | Feb 1, 2019 | — |
| Olsen for Illinois | $700 | Feb 1, 2019 | — |
| Stephen Trombello | $250 | Jan 31, 2019 | Illinois Tollway |
| Olsen, Friends of David | $600 | Jan 31, 2019 | — |
| Olsen for Illinois | $800 | Jan 31, 2019 | — |
| Olsen, Friends of David | $900 | Jan 29, 2019 | — |
| Olsen for Illinois | $650 | Jan 29, 2019 | — |
| John/Therese Trowbridge II | $750 | Jan 28, 2019 | Lisle Twp |
| Olsen for Illinois | $750 | Jan 28, 2019 | — |
| Olsen, Friends of David | $800 | Jan 28, 2019 | — |
| Olsen, Friends of David | $700 | Jan 25, 2019 | — |
| Olsen for Illinois | $850 | Jan 25, 2019 | — |
| Olsen for Illinois | $500 | Jan 24, 2019 | — |
| DiCianni for Dupage Co Bd | $250 | Jan 23, 2019 | — |
| Rock Fusco & Connelly, LLC | $250 | Jan 23, 2019 | — |
| Pellegrino, LTD, Law Offices of Richard | $100 | Jan 22, 2019 | — |
| Ottosen Britz Kelly Cooper Gilbert & Dinolfo, LTD | $300 | Jan 22, 2019 | — |
| C. Frederick/Elizabe LeBaron | $300 | Jan 22, 2019 | — |
| Frank Cortese | $500 | Jan 22, 2019 | — |
| Moylan, Friends for | $500 | Jan 22, 2019 | — |
| Strategic Project Mgt Inc | $500 | Jan 22, 2019 | — |
| Conroy, Friends for Deborah | $250 | Jan 22, 2019 | — |
| Odelson & Sterk LTD | $150 | Jan 22, 2019 | — |
| Krajewski, Citizens for Brian J | $150 | Jan 22, 2019 | — |
| J & P Scheduling, Inc | $500 | Jan 22, 2019 | — |
| Willis, Friends to Elect Kathleen | $250 | Jan 22, 2019 | — |
| Harold Laughlin | $100 | Jan 22, 2019 | — |
| Alan/Carole Allphin | $500 | Jan 22, 2019 | — |
| Michael/Lynda Kelch | $750 | Jan 22, 2019 | Officers |
| Odelson & Sterk LTD | $100 | Jan 22, 2019 | — |
| Wayne Hoppenrath | $250 | Jan 17, 2019 | — |
| Welch, The People for Emanuel "Chris" | $500 | Jan 17, 2019 | — |
| Mary Ellen Provenzale | $500 | Jan 17, 2019 | — |
| Carroll, Friends for Jonathan | $250 | Jan 17, 2019 | — |
| Filson/Gordon Associates LLC | $250 | Jan 17, 2019 | — |
| Willis/Shirley Johnson | $500 | Jan 17, 2019 | — |
| Thomas/Stephanie Marsh | $250 | Jan 17, 2019 | — |
| King Car Wash, Inc | $250 | Jan 17, 2019 | — |
| Wight & Company | $250 | Jan 17, 2019 | — |
| Paul/Noreen Kubinski | $250 | Jan 17, 2019 | — |