| Name | Deductibility Code |
| Buffalo Soldiers Motorcycle Club Southwest Illinois | -- |
| Central Christian Church | -- |
| Clinton St. Clair County Firemens Assoc Inc. | -- |
| Daystar World Outreach | -- |
| Discovery | -- |
| District 90 Pto Presidents | 1,4 |
| Early Childhood Development Foundation Inc. | -- |
| East Side Chapter 64 Experimental Aircraft Association | -- |
| Foundation for Autism Services for Today and Tomorrow | -- |
| Four Hearts Foundation Inc. | -- |
| I D E A Foundation | 4 |
| In Christ Ministries | -- |
| Jolly Green Pilots Association | 6 |
| Laverna Evans Parent Teacher Organization O Fallon Illinois | -- |
| Main Street Ofallon Project | -- |
| Ofallon Fire Department of Ofallon Illinois | -- |
| Ofallon High School Endowment Fund Ltd. | -- |
| Ofallon Historical Society Inc. | -- |
| Ofallon Little Panthers Football & Cheerleading Club | -- |
| Ofallon Panther Band Boosters Inc. | -- |
| Ofallon Parks & Recreation Foundation | -- |
| Parents & Teachers Club of Hinchcliffe Patch | -- |
| Project Compassion | -- |
| Scott Adkins Ministries | 4 |
| Senior Citizens Club of O Fallon Illinois | -- |
| Southwest Illinois Chapter the Retired Officers Association | 6 |
| Spencer Kennel Nfp | -- |
| St. Josephs Burial Association | 6 |
| The United States Air Force Academy Parents Club of Metropolitan St. | -- |
| Zion Temple Baptist Church | -- |