| Name | Deductibility Code |
| Achievement Center Endowment Fund Inc. | -- |
| Addleman Family Foundation | 4 |
| Alice Wilson & William J Schweitzer Argiculture Education Foundation | 4 |
| Buchanan Center for the Arts | -- |
| Burlington Institute of Origin Science Inc. | -- |
| Cline-Lofftus Foundation | 4 |
| Community Health Foundation of Warren and Henderson Counties | 4 |
| Community Medical Center of Western Illinois Inc. | -- |
| Countryside Bible Church | -- |
| Crime Stoppers of Warren County Inc. | -- |
| Edward Arthur Mellinger Educational Foundation | 4 |
| Endangered Small Animal Conservation Fund | 4 |
| Evelyn Titus Trust Under A Declaration of Trust Dated May 16 | 4 |
| First Christian Church of Monmouth | -- |
| Grace Bible Church of Monmouth | -- |
| Grace E Buchanan Memorial Fuund Inc. | 4 |
| Hands Foundation | -- |
| Illinois Society for Histotechnologists | -- |
| Jamieson Community Center Inc. | -- |
| Maple City Field of Dreams | -- |
| Maple Leaf Community Concert Series | -- |
| Mapleway Achievement Center | -- |
| Monmouth and Warren County Auxiliary Police | -- |
| Monmouth College | -- |
| Monmouth Early Learning Center | -- |
| Monmouth Flying Club Inc. | -- |
| Monmouth Maroon Softball | -- |
| Monmouth Rotary Council Inc. | -- |
| Monmouth-Roseville Education Foundation | -- |
| Mpd Fop Lodge 265 | -- |
| Music Teachers National Association Inc. | 1 |
| Northwest Agricultural Education Foundation | -- |
| Pattee Foundtion | 4 |
| Prairie Achievement Center | -- |
| Rainbow Riders Nfp | -- |
| Rainbow Riders Nfp | -- |
| Starting Point Prayer Group Incorporated | -- |
| Strom Center Inc. | -- |
| Teddy Bear Day Care Inc. | -- |
| The AAUW Art Presenter Program | -- |
| The Titans Music Boosters Association | -- |
| Warren Achievement Center Inc. | -- |
| Warren County Historical Society | -- |
| Warren County Illinois Genealogical Society | -- |
| Warren County Library & Reading Room Association | -- |
| Warren County United Way Inc. | -- |
| Warren County YMCA Foundation Inc. | -- |
| Warren Henderson Farm Bureau Foundation | -- |
| West Central Community Services Inc. | -- |
| West Central Leadership Inc. | -- |
| Western Illinois Animal Rescue Inc. | -- |
| Wyatt Earp Birthplace Inc. | -- |
| Yorkwood School Foundation Inc. | -- |
| Young Mens Christian Association of Warren County | -- |